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10 Best microSD Express Cards That Speed Freaks Actually Prefer
You’ll prioritize microSD Express cards featuring PCIe Gen3 x1 NVMe architecture with sustained write speeds exceeding 150 MB/s—like the Samsung P9 Express, Transcend USD710, and Lexar Play PRO—because standard UHS-I cards throttle under continuous 4K recording, gaming, and app-execution workloads. Verify your device supports SD Express; many hosts operate at legacy UHS speeds regardless of card capability. Thermal management, capacity alignment with your use case, and speed-class ratings determine real-world performance reliability. The sections below examine each top contender’s specifications and suitability metrics.
Key Takeaways
- Peak sequential read speeds up to 900 MB/s distinguish Express cards; sustained writes reveal thermal resilience under continuous high-intensity workloads.
- PCIe Gen3 x1 NVMe architecture enables 2.7× faster performance than UHS-II and 8× faster than standard UHS-I cards.
- Adaptive thermal management and heat-dissipative designs maintain consistent speeds during extended 4K recording, gaming, and burst photography without throttling.
- 512GB–1TB capacities support multiple AAA games, extensive 4K content libraries, and sustained app performance on compatible handheld gaming devices.
- Drop-proof, waterproof, and multi-proof durability ratings with lifetime warranties reflect manufacturer confidence in reliability for demanding speed-focused applications.
| Samsung P9 Express 256GB microSDXC Memory Card |  | Best Overall | Read Speed: Up to 800 MB/s | Storage Capacity: 256 GB | Write Speed: 100–200 MB/s | VIEW LATEST PRICE | Read Our Analysis |
| PNY microSD Express 512GB UHS-I Memory Card |  | Fastest Write Speeds | Read Speed: Up to 890 MB/s | Storage Capacity: 512 GB | Write Speed: Up to 810 MB/s | VIEW LATEST PRICE | Read Our Analysis |
| Transcend USD710 256GB microSD Express Card (900MB/s) |  | Best Performance Value | Read Speed: Up to 900 MB/s | Storage Capacity: 256 GB | Write Speed: Up to 750 MB/s | VIEW LATEST PRICE | Read Our Analysis |
| Addlink 512GB Gaming microSD Express Card (880/750 MB/s) |  | Best For Gaming | Read Speed: Up to 880 MB/s | Storage Capacity: 512 GB | Write Speed: Up to 750 MB/s | VIEW LATEST PRICE | Read Our Analysis |
| Lexar 1TB Play PRO microSD Express Card (LMSXPS0001T-BNNNU) |  | Maximum Storage | Read Speed: Up to 900 MB/s | Storage Capacity: 1 TB | Write Speed: Up to 600 MB/s | VIEW LATEST PRICE | Read Our Analysis |
| SanDisk 256GB microSD Express Card for Nintendo Switch 2 |  | SanDisk Reliability | Read Speed: Up to 880 MB/s | Storage Capacity: 256 GB | Write Speed: Up to 650 MB/s | VIEW LATEST PRICE | Read Our Analysis |
| EMTEC 128GB Express Gaming microSD Card (880MB/s) |  | Budget-Friendly Pick | Read Speed: Up to 880 MB/s | Storage Capacity: 128 GB | Write Speed: Up to 700 MB/s | VIEW LATEST PRICE | Read Our Analysis |
| GIGASTONE 512GB microSD Express Card for Switch 2 |  | Most Durable Build | Read Speed: Up to 880 MB/s | Storage Capacity: 512 GB | Write Speed: Up to 650 MB/s | VIEW LATEST PRICE | Read Our Analysis |
| microSD Express card Switch2 compatible 512GB |  | Switch 2 Certified | Read Speed: Speed class Class 10 (specific speed not listed) | Storage Capacity: 512 GB | Write Speed: Speed class Class 10 (specific speed not listed) | VIEW LATEST PRICE | Read Our Analysis |
| ADATA 512GB Premier Extreme microSDXC Card for Nintendo Switch 2 |  | Best Sustained Performance | Read Speed: Up to 800 MB/s | Storage Capacity: 512 GB | Write Speed: Up to 700 MB/s | VIEW LATEST PRICE | Read Our Analysis |
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More Details on Our Top Picks
Samsung P9 Express 256GB microSDXC Memory Card
If you’re equipping a Nintendo Switch 2, Steam Deck, or high-performance gaming console with demanding storage needs, Samsung’s P9 Express 256GB card delivers the speed and reliability you’re seeking. This microSDXC card achieves sequential read speeds up to 800 MB/s, write speeds between 100–200 MB/s, and load times up to 4× faster than standard UHS-I cards. Dynamic Thermal Guard technology reduces overheating during extended gameplay, while 6-proof protection—including waterproof, temperature-resistant, drop-proof, and magnetic-proof ratings—ensures durability across varied conditions. The included three-year limited warranty and Samsung Magician software provide authenticity verification and health monitoring capabilities for Windows and macOS systems.
- Read Speed:Up to 800 MB/s
- Storage Capacity:256 GB
- Write Speed:100–200 MB/s
- Durability Protection:6-proof (waterproof, temperature, X-ray, magnetic, drop, wearout)
- Warranty:Limited 3-year warranty
- Nintendo Switch 2 Compatibility:Compatible
- Additional Feature:Dynamic Thermal Guard technology
- Additional Feature:Samsung Magician software included
- Additional Feature:6-proof protection (waterproof, temperature, X-ray, magnetic, drop, wearout)
PNY microSD Express 512GB UHS-I Memory Card
The PNY microSD Express 512GB card delivers exceptional performance for next-generation gaming devices, particularly the Nintendo Switch 2, combining PCIe Gen 3×1 microSD Express technology with read speeds up to 890 MB/s and write speeds up to 810 MB/s. This 512GB capacity doubles typical gaming device storage, accommodating extensive AAA game libraries and high-resolution content. The card features U3, V30, and A1 performance classifications, enabling direct app execution from the card with accelerated launch times. Backwards compatibility with microSD UHS-I and UHS-II devices guarantees broad device integration, while integrated thermal management and all-encompassing durability features—including shock, temperature, water, drop, X-ray, and humidity resistance—support sustained mobile and gaming applications. A lifetime limited warranty provides extended protection.
- Read Speed:Up to 890 MB/s
- Storage Capacity:512 GB
- Write Speed:Up to 810 MB/s
- Durability Protection:7-proof (shock, temperature, waterproof, drop, X-ray, wearout, humidity)
- Warranty:Lifetime limited warranty
- Nintendo Switch 2 Compatibility:Compatible
- Additional Feature:PCIe Gen 3×1 technology
- Additional Feature:A1 performance class (app launching)
- Additional Feature:Lifetime limited warranty
Transcend USD710 256GB microSD Express Card (900MB/s)
Transcend’s USD710 256GB microSD Express Card delivers exceptional performance for content creators, handheld gamers, and drone operators who demand lag-free performance and rapid data transfer speeds. This card employs SD 7.1 standards with PCIe Gen3 x1 interface architecture, achieving sequential read speeds up to 900 MB/s and write speeds reaching 750 MB/s. The A1, V30, UHS-I U3 speed classifications support 4K/8K video recording, professional content creation workflows, and gaming applications. Environmental resistance protects against extreme temperatures, moisture, shock, and static interference. At just 0.3 grams, this lightweight solution accommodates Nintendo Switch 2, Steam Deck, ASUS ROG Ally, and compatible cameras seamlessly.
- Read Speed:Up to 900 MB/s
- Storage Capacity:256 GB
- Write Speed:Up to 750 MB/s
- Durability Protection:Environmental resistance (extreme temps, moisture, shock, magnets, static, X-rays)
- Warranty:Limited warranty
- Nintendo Switch 2 Compatibility:Compatible
- Additional Feature:SD 7.1 standard compliance
- Additional Feature:NVMe 1.3 protocol support
- Additional Feature:Extreme temperature resistance
Addlink 512GB Gaming microSD Express Card (880/750 MB/s)
Addlink’s TurboPlay Express MicroSDXC 512GB card delivers microSD Express performance for next-gen gaming devices, including Nintendo Switch 2, Steam Deck, and ROG Ally, with read speeds reaching 880 MB/s and write speeds up to 750 MB/s that enable rapid game load times and high-performance portable gaming. The card operates at UHS-I speeds on compatible hosts while maintaining Class 10, U3, and V30 speed class ratings. Its 512GB capacity accommodates extensive game libraries, whereas comparable alternatives like the Transcend USD710 offer 256GB with marginally faster 900 MB/s read performance. Protective features include drop, shock, waterproof, dust, static, and X-ray resistance, supported by a five-year limited warranty ensuring durability across demanding usage scenarios.
- Read Speed:Up to 880 MB/s
- Storage Capacity:512 GB
- Write Speed:Up to 750 MB/s
- Durability Protection:7-proof (drop, shock, waterproof, dust, static, X-ray)
- Warranty:5-year limited warranty
- Nintendo Switch 2 Compatibility:Compatible
- Additional Feature:5-year limited warranty
- Additional Feature:UHS-II backwards compatible
- Additional Feature:TurboPlay Express branding
Lexar 1TB Play PRO microSD Express Card (LMSXPS0001T-BNNNU)
Lexar’s 1TB Play PRO microSD Express Card (LMSXPS0001T-BNNNU) stands as an ideal choice for handheld gaming enthusiasts, content creators, and console users who demand substantial storage capacity paired with next-generation performance specifications. You’ll achieve read speeds up to 900 MB/s and write speeds up to 600 MB/s, delivering four times faster performance than typical UHS-I microSD cards. The card features microSDXC form factor with PCIe technology, Class 10 and V30 speed class ratings, and backwards compatibility with UHS-I and UHS-II devices. Its 1TB capacity accommodates extensive AAA game libraries and 4K video content, while dust-proof construction guarantees durability for portable gaming on Nintendo Switch, Steam Deck, and ASUS ROG Ally platforms.
- Read Speed:Up to 900 MB/s
- Storage Capacity:1 TB
- Write Speed:Up to 600 MB/s
- Durability Protection:Dust proof
- Warranty:Limited lifetime warranty
- Nintendo Switch 2 Compatibility:Compatible
- Additional Feature:Largest capacity (1TB)
- Additional Feature:Lifetime Lexar Recovery Tool
- Additional Feature:PCIe technology enabled
SanDisk 256GB microSD Express Card for Nintendo Switch 2
For gamers seeking substantial storage expansion with next-generation speed capabilities, the SanDisk 256GB microSD Express Card delivers PCIe Gen3-NVMe performance through its microSD Express interface, achieving read speeds up to 880 MB/s and write speeds up to 650 MB/s, which represent approximately 4.4× faster performance than SanDisk’s fastest UHS-I microSD cards. The card maintains U3 and Class 10 speed ratings, enabling sustained write performance at 210 MB/s, and incorporates SanDisk ThermAdapt thermal management technology to regulate operating temperatures during intensive data transfer operations. You’ll benefit from extensive durability features including waterproof, drop-proof, and shock-proof construction, alongside backwards compatibility with existing microSD UHS-I devices, establishing this card as a versatile storage solution for Nintendo Switch 2 expansion and professional content capture applications supporting up to 5.3K video recording.
- Read Speed:Up to 880 MB/s
- Storage Capacity:256 GB
- Write Speed:Up to 650 MB/s
- Durability Protection:8-proof (waterproof, temperature, humidity, drop, shock, magnetic, X-ray, wearout)
- Warranty:Lifetime warranty
- Nintendo Switch 2 Compatibility:Compatible
- Additional Feature:SanDisk ThermAdapt technology
- Additional Feature:4.4x faster than UHS-I cards
- Additional Feature:Up to 5.3K video support
EMTEC 128GB Express Gaming microSD Card (880MB/s)
The EMTEC 128GB Express Gaming microSD Card delivers SSD-level performance through its SD Express 7.1 standard, PCIe Gen3x1 interface, and NVMe protocol, making it an ideal choice for gamers and content creators who demand rapid load times and seamless installations. You’ll experience read speeds reaching 880 MB/s alongside write speeds of 700 MB/s, which facilitate expedited 4K UHD video workflows and high-performance gaming applications. The card’s U3, V30, and A1 ratings guarantee consistent performance across varied usage scenarios, while its IPX7 waterproof rating and included protective case provide essential durability protection for portable gaming devices.
- Read Speed:Up to 880 MB/s
- Storage Capacity:128 GB
- Write Speed:Up to 700 MB/s
- Durability Protection:IPX7 waterproof
- Warranty:Limited warranty
- Nintendo Switch 2 Compatibility:Compatible
- Additional Feature:SD Express 7.1 standard
- Additional Feature:IPX7 waterproof rating
- Additional Feature:Protective case included
GIGASTONE 512GB microSD Express Card for Switch 2
Gigastone’s 512GB microSD Express card stands out for Nintendo Switch 2 users and content creators who demand rapid data transfer, delivering read and write speeds of up to 880 MB/s and 650 MB/s respectively. The card meets SD 7.1, A1, V30, and U3 standards, ensuring consistent performance across gaming and professional applications. You’ll appreciate the included SD adapter, X-Ray proof design, and 5-year limited warranty covering extended use. Its 512GB capacity accommodates substantial game libraries and high-resolution media files, while the microSDXC interface provides broad device compatibility beyond Nintendo Switch 2 to professional cameras and personal computers.
- Read Speed:Up to 880 MB/s
- Storage Capacity:512 GB
- Write Speed:Up to 650 MB/s
- Durability Protection:X-ray proof
- Warranty:5-year limited warranty
- Nintendo Switch 2 Compatibility:Compatible
- Additional Feature:Includes microSD to SD adapter
- Additional Feature:5-year limited warranty
- Additional Feature:X-Ray Proof protection
microSD Express card Switch2 compatible 512GB
Nintendo Switch 2 owners who demand maximum game library expansion without compromising performance will find the I-O DATA HNMSD-EX512G particularly compelling, as it combines SDExpress-standard architecture with 512GB capacity and Switch2 verification certification. The card’s Class 10 speed classification, paired with microSD Express memory technology, delivers sustained data transfer rates suitable for demanding gaming applications. Weighing merely 0.352 ounces, this white card maintains compact dimensions of 4.84 x 3.31 x 0.35 inches, ensuring seamless integration with your console’s storage slot. I-O DATA’s HNMSD-EX series represents technically sophisticated storage solutions engineered specifically for next-generation Nintendo hardware compatibility and extended game library management.
- Read Speed:Speed class Class 10 (specific speed not listed)
- Storage Capacity:512 GB
- Write Speed:Speed class Class 10 (specific speed not listed)
- Durability Protection:Not specified
- Warranty:Amazon return policy (30 days)
- Nintendo Switch 2 Compatibility:Verified compatible
- Additional Feature:Switch2 officially verified compatibility
- Additional Feature:I-O DATA manufacturer
- Additional Feature:White color variant
ADATA 512GB Premier Extreme microSDXC Card for Nintendo Switch 2
ADATA’s Premier Extreme microSDXC SD7.1 Express card delivers substantial performance advantages for gamers and content creators who demand high-speed storage, offering sequential read speeds up to 800 MB/s and sustained write speeds of nearly 150 MB/s, which enable approximately 2.7 times faster performance than UHS-II cards and roughly 8 times faster speeds than standard UHS-I alternatives. The card’s SD Express interface utilizes PCIe Gen3 x1 NVMe architecture, supporting 4K and 8K video capture while maintaining U3, V30, and Class 10 certification standards. With 512GB capacity, drop-proof durability, lifetime warranty protection, and Nintendo Switch 2 compatibility, this microSDXC card addresses demanding storage requirements across gaming, professional photography, and high-resolution media production applications.
- Read Speed:Up to 800 MB/s
- Storage Capacity:512 GB
- Write Speed:Up to 700 MB/s
- Durability Protection:Drop proof
- Warranty:Lifetime warranty
- Nintendo Switch 2 Compatibility:Compatible
- Additional Feature:SD Express (PCIe Gen3 x1)
- Additional Feature:8x faster than UHS-I
- Additional Feature:4K/8K video capture support
Factors to Consider When Choosing a Microsd Express Card
When you’re selecting a microSD Express card, you’ll need to evaluate your storage capacity requirements, read and write speeds that match your device’s specifications, and make sure compatibility with your specific hardware platform. You should also assess the card’s durability features, including shock resistance and temperature tolerance ratings, alongside the manufacturer’s warranty coverage and customer support accessibility. These interconnected factors—capacity, performance metrics, device compatibility, physical protection capabilities, and post-purchase support—collectively determine whether a particular card’ll meet your operational needs and provide reliable long-term value.
Storage Capacity Needs
Selecting the right storage capacity requires honest assessment of your content library and usage patterns, since underestimating your needs leads to frequent file management and constant offloading to external devices. A typical game averages 1–2 GB, while multiple AAA titles demand 256–1024 GB total capacity. For 4K video recording, budget 256–512 GB minimum, as single hours consume tens to hundreds of gigabytes depending on bitrate specifications. High-resolution burst photography similarly requires substantial allocation. Running applications directly from the card necessitates 512 GB–1 TB capacity to accommodate large install sizes without constant management constraints. Account for usable capacity loss from formatting and file system overhead, since advertised gigabytes employ decimal definitions reducing actual available space. Match capacity to your backup frequency and device-swap habits accordingly.
Read And Write Speeds
Once you’ve determined your capacity requirements, read and write speeds become the next critical performance metrics that directly influence how quickly your device accesses files, loads applications, and records video footage. You’ll want sequential read speeds exceeding hundreds of MB/s for gaming and app performance, particularly with PCIe/NVMe-compatible hosts. Write speeds of 100–200 MB/s sustain extended 4K video recording reliably, while higher peak rates accommodate burst file installations. Speed class ratings—U3, V30, A1—guarantee minimum sustained performance benchmarks, not merely peak specifications. Published top speeds reflect controlled test environments; actual performance varies considerably depending on host device compatibility, interface capabilities, thermal management, and file size parameters. You should verify specifications against your specific use case requirements before purchasing.
Device Compatibility Requirements
Before committing to a microSD Express card purchase, you must verify that your device actually supports the microSD Express interface—specifically SD 7.1 with PCIe Gen3 x1 and NVMe protocol support—because many devices that accept microSD cards physically only run them at legacy UHS-I or UHS-II speeds, which substantially undermines the performance advantages that justify the Express card’s higher cost. Beyond interface verification, you need to confirm your device’s maximum supported capacity range, whether microSDXC or microSDUC, ensuring the card’s advertised gigabyte size remains fully addressable. Additionally, you must verify your host’s maximum supported transfer mode and speed specifications, since lacking PCIe or NVMe support restricts performance to UHS limitations. Finally, assess whether your device requires specific speed classes—A1, A2, V30, or U3—and possesses adequate thermal management for sustained workloads.
Durability And Protection Features
Because microSD Express cards’ll operate in diverse and demanding environments—from professional video production rigs to outdoor action cameras—you’ll want to prioritize multi-proof ratings that document protection against water, shock, temperature extremes, X-ray exposure, magnetic interference, and dust ingestion, with manufacturers specifying exact test conditions like immersion duration, drop heights, and temperature ranges to guarantee the card’ll withstand your particular use case. Additionally, you’ll need to verify operating and non-operating temperature specifications, which typically span −40°F to 185°F, ensuring compatibility with your storage and deployment conditions. You’ll also benefit from examining wearout resistance metrics, measured in write/erase cycles or swipe counts, alongside thermal management features like adaptive controls and heat-dissipative designs that sustain performance during extended high-load tasks. Finally, you’ll assess warranty length and coverage terms, which indicate manufacturer confidence in durability and reliability across demanding applications.
Warranty And Support Options
Peace of mind hinges on understanding your microSD Express card’s warranty terms, which you’ll need to examine carefully before committing to a purchase, as coverage types vary considerably—some manufacturers offer limited warranties covering manufacturing defects only, while others provide more extensive protection that includes performance degradation or accidental damage, though each comes with specific conditions that could void coverage, such as exposure beyond rated temperature ranges, water immersion exceeding IP ratings, or evidence of physical tampering. You should verify the exact warranty period in years, confirm whether proof-of-purchase and original packaging are required for claims, and identify available support channels including email, phone, or online portals. Additionally, examine whether included software provides data recovery, authenticity verification, and drive health monitoring compatible with your operating system, and review published liability limitations regarding data recovery cost exclusions.
Budget And Value Proposition
Most microSD Express card purchases hinge on balancing initial expenditure against long-term performance requirements, durability, and warranty protection rather than selecting the cheapest available option. Calculate cost per gigabyte to compare capacity tiers, recognizing that higher-capacity cards typically offer lower per-GB pricing despite elevated upfront costs. Evaluate read/write speeds against your device specifications; faster NVMe and PCIe cards command premium pricing but substantially reduce load times for large games and 4K video transfers. Assess warranty duration and included data-recovery support as value components offsetting higher initial investment. Factor durability ratings—water, shock, temperature, and X-ray resistance—into total cost analysis, as robust construction prevents expensive replacements and data loss. If your host device utilizes only UHS-I connectivity, purchasing lower-cost UFS cards avoids unnecessary premium spending on unutilizable Express speeds.
Thermal Management Performance
While budget considerations help you identify cards offering competitive per-gigabyte pricing and adequate warranty coverage, thermal management performance determines whether your card sustains those advertised speeds during intensive, prolonged operations like 4K video recording or extended gaming sessions. You’ll find that cards incorporating adaptive throttling mechanisms and heat-dissipative designs maintain consistent sequential read/write throughput by reducing temperature buildup under heavy loads. Comparing guaranteed sustained MB/s specifications—rather than peak burst speeds alone—provides practical insight into thermal resilience during continuous writes. Your host device’s cooling capacity and card-reader airflow materially influence thermal behavior; even high-speed cards throttle without adequate heat dissipation. Reviewing operating temperature ranges and thermal control specifications helps you assess reliability in demanding environments or prolonged high-intensity applications.
Speed Class Ratings
Understanding speed class ratings—standardized performance designations that categorize microSD Express cards by minimum sustained write speeds, random I/O performance, and application-execution capabilities—proves essential when selecting a card that reliably meets your specific workload demands. Video Speed Classes (V30, V60, V90) guarantee minimum sequential write speeds of 30, 60, and 90 MB/s respectively, ensuring reliable 4K and 8K video capture without frame drops. UHS Speed Classes (U1 = 10 MB/s, U3 = 30 MB/s) classify sustained write capability for high-bitrate recording. Application Performance classes (A1, A2) specify minimum random read/write IOPS and sustained throughput for direct app execution. You should select ratings exceeding your device’s minimum requirements, allowing headroom for sustained recording and faster load times.
Frequently Asked Questions
Are microSD Express Cards Backward Compatible With Older microSD Card Slots?
You can’t use microSD Express cards in older microSD slots because they’ve different physical specifications, pin configurations, and electrical requirements. However, you’ll find that newer devices with microSD Express slots accept standard microSD cards through downward compatibility. Your older microSD card readers won’t recognize Express cards due to incompatible bus architecture and voltage standards, requiring you to purchase compatible hardware for Express card functionality.
What’s the Actual Difference in Real-World Performance Between UHS-II and microSD Express?
You’ll hit the ground running with microSD Express, which delivers 260 MB/s read speeds, versus UHS-II’s 312 MB/s theoretical maximum, yet practical performance differs markedly. MicroSD Express provides superior sustained write speeds, 180 MB/s, compared to UHS-II’s variable performance, 90 MB/s average, making it substantially faster for continuous video recording and large file transfers. Your device compatibility determines which technology provides measurable advantages in actual usage scenarios.
Do microSD Express Cards Generate Excessive Heat During Sustained High-Speed Operations?
You’ll find that microSD Express cards generate minimal heat during sustained operations, typically remaining below 65°C under continuous read-write cycles. Their improved power efficiency, compared to UHS-II cards, reduces thermal output markedly. You should note that proper airflow around your device and adequate spacing between cards prevents heat accumulation in multi-card configurations. Thermal throttling rarely occurs unless you’re operating in extremely hot ambient temperatures exceeding 40°C consistently.
Will microSD Express Cards Become Obsolete Within the Next Few Years?
You’ll likely find microSD Express cards remain viable for 5-7 years, as they’re actively adopted in professional video, photography, and gaming applications. However, you should recognize that faster emerging standards like CFast and USB 4.0 storage solutions are gradually displacing them in specialized markets. You won’t see immediate obsolescence, though you’ll experience gradual market contraction as manufacturers shift production toward next-generation technologies offering superior data transfer rates and expanded capacity options.
How Do microSD Express Card Prices Compare to Traditional microSDXc Cards Long-Term?
You’ll find that microSD Express cards command premium pricing, typically costing 40-60% more than comparable microSDXC cards, though prices gradually decline as manufacturing scales. Traditional microSDXC cards maintain lower initial costs and sustained affordability. You shouldn’t expect Express cards’ pricing to approach SDXC levels long-term, since they’re targeting professional applications requiring sustained write speeds exceeding 200 MB/s, while SDXC cards serve general consumer needs adequately.
