990 EVO PCIe 4.0 x4 / 5.0 x2 NVMe M.2 SSD
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Features
Upgrade everyday performance
Top 3 features
Evolved power efficiency
Turn right on and stay on. With a remarkable 71% improvement in power efficiency over the previous model. Plus, it supports Modern Standby, letting you stay connected to the internet and still receive notifications even in the low-power state.
* 970 EVO Plus sequential read/write - 636/550 MB/Watt, 990 EVO sequential read/write – 1,020/933 MB/Watt based on internal test result of 1TB capacity model.** For detailed information about Modern Standby, please visit Microsoft website https://learn.microsoft.com/en-us/windows-hardware/design/device-experiences/part-selection#ssd-storage
Smart thermal solution
The 991 EVO's heat spreader label helps thermal control of the NAND chip. Samsung's thermal control algorithm, paired with Dynamic Thermal Guard, helps prevent performance drops from overheating. Keep your performance red-hot, not your drive.
Samsung Magician software
Samsung Magician software's optimizes your SSD performance. It's the easy way to migrate all your data for a Samsung SSD upgrade. Protect valuable data, monitor drive health, and get the latest firmware updates.
* For detailed information, please visit Samsung Magician software website https://semiconductor.samsung.com/consumer-storage/magician/
* For detailed information, please visit Samsung Magician software website https://semiconductor.samsung.com/consumer-storage/magician/
Bringing innovations to life
For decades, Samsung’s NAND flash memory has powered innovative technologies that have changed the way users compute and game.
Specifications
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Interface
PCIe® 4.0 x4 / 5.0 x2 NVMe™ 2.0
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Sequential Read
Up to 5,000 MB/s * Performance may vary based on system hardware & configuration
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Sequential Write
Up to 4,200 MB/s * Performance may vary based on system hardware & configuration
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Warranty
5-year Limited Warrantyor 1200 TBW Limited Warranty
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Application
Client PCs
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Weight
Max 9.0g Weight
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Dimension (WxHxD)
80 x 22 x 2.38 mm
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Application
Client PCs
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Capacity
2,000GB (1GB=1 Billion byte by IDEMA) * Actual usable capacity may be less (due to formatting, partitioning, operating system, applications or otherwise)
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Form Factor
M.2 (2280)
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Interface
PCIe® 4.0 x4 / 5.0 x2 NVMe™ 2.0
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Dimension (WxHxD)
80 x 22 x 2.38 mm
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Weight
Max 9.0g Weight
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Storage Memory
Samsung V-NAND TLC
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Controller
Samsung in-house Controller
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Cache Memory
HMB(Host Memory Buffer)
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TRIM Support
Supported
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S.M.A.R.T Support
Supported
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GC (Garbage Collection)
Auto Garbage Collection Algorithm
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Encryption Support
AES 256-bit Encryption (Class 0)TCG/Opal IEEE1667 (Encrypted drive)
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WWN Support
Not supported
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Device Sleep Mode Support
Yes
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Sequential Read
Up to 5,000 MB/s * Performance may vary based on system hardware & configuration
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Sequential Write
Up to 4,200 MB/s * Performance may vary based on system hardware & configuration
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Random Read (4KB, QD32)
Up to 700,000 IOPS * Performance may vary based on system hardware & configuration
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Random Write (4KB, QD32)
Up to 800,000 IOPS * Performance may vary based on system hardware & configuration
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Random Read (4KB, QD1)
Up to 20,000 IOPS * Performance may vary based on system hardware & configuration
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Random Write (4KB, QD1)
Up to 90,000 IOPS * Performance may vary based on system hardware & configuration
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Average Power Consumption (system level)
*Average: Read 5.5 W / Write 4.7 W* Actual power consumption may vary depending on system hardware & configuration
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Power consumption (Idle)
Typical 60 mW * Actual power consumption may vary depending on system hardware & configuration
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Power Consumption (Device Sleep)
Typical 5 mW * Actual power consumption may vary depending on system hardware & configuration
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Allowable Voltage
3.3 V ± 5 % Allowable voltage
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Reliability (MTBF)
1.5 Million Hours Reliability (MTBF)
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Operating Temperature
0 - 70 ℃ Operating Temperature
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Shock
1,500 G & 0.5 ms (Half sine)
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Installation Kit
Not Available
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Management SW
Magician Software for SSD management
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5-year Limited Warrantyor 1200 TBW Limited Warranty
Reviews
990 EVO PCIe 4.0 x4 / 5.0 x2 NVMe M.2 SSD
- Customers praise lightning-fast read and write speeds around 5000MB/s with nearly instant boot times and seamless file transfers.
- Reviewers report exceptional long-term reliability with zero issues and no performance degradation even after years of heavy use.
- Most find installation straightforward and appreciate the included monitoring software for drive health and firmware updates.
- Gamers consistently highlight its suitability for gaming rigs and PS5 consoles, eliminating load screens effectively.
- A few note installation was slightly challenging, though this feedback is vastly outweighed by positive experiences overall.
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685 Reviews
2026-07-23
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Miami, FL
2026-06-17
Malakoff, TX
2024-02-21
Samsung Brand Ambassador
Gregoruya: Thank you for sharing your experience with the new 990 EVO SSD. Please know that the 990 EVO features Dynamic Thermal Guard, which constantly monitors your drive's temperature and automatically throttles temps down when they rise above optimal critical threshold. This protects your data while maintaining responsiveness to help ensure your drive is always safe from overheating. However, please do reach out to us so that we can better diagnose your concern. 1) Call: 1-800-SAMSUNG (ask for Memory). Available 9AM - 12AM EST (Mon-Fri) 2) Email: samsungmemorysupport@sea.samsung.com 3) LiveChat 9AM-6PM EST (Mon-Fri) -- https://www.livehelpnow.net/lhn/lcv.aspx?d=34834&ms=&zzwindow=0&lhnid=29783 The Samsung Members Community is also a great resource for getting help from Samsung moderators and customers: https://us.community.samsung.com/ Thank you for choosing Samsung! - Samsung Memory
2025-03-03
Florida
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Florida
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Fairmont W.v.
2024-04-25
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Fort Myers ,FL
2025-01-22
2024-05-30
Seattle WA.
2026-06-27
Sarasota fl.
2026-06-28
Memphis, Tennessee
2024-03-18
Indiana, USA
2024-02-24
Samsung Brand Ambassador
jennas323: I’m sorry to hear that your out-of-box experience fell short of your expectations. Please know that these drives are not delivered with mounting screws since motherboard manufacturers typically provide the specific screws and spacers that fit the proprietary needs of each motherboard. Should you ever have questions or need assistance using this product, please contact Samsung Memory Support. You can reach us at: 1) Call: 1-800-SAMSUNG (ask for Memory). Available 9AM - 12AM EST (Mon-Fri) 2) Email: samsungmemorysupport@sea.samsung.com 3) LiveChat 9AM-6PM EST (Mon-Fri) -- https://www.livehelpnow.net/lhn/lcv.aspx?d=34834&ms=&zzwindow=0&lhnid=29783 The Samsung Members Community is also a great resource for getting help from Samsung moderators and customers: https://us.community.samsung.com/ Thank you for choosing Samsung! - Samsung Memory
2025-07-18
South Carolina
2025-08-25
Samsung Brand Ambassador
Teddy6675: Thank you for choosing the 990 EVO SSD! I hope it’s meeting your expectations. If you have any questions or concerns about the product, we're always here to help. You can reach us at: 1) Call: 1-800-SAMSUNG (ask for Storage Devices). Available 9AM - 12AM EST (Mon-Fri) 2) Email: samsungmemorysupport@sea.samsung.com 3) LiveChat 9AM-9PM EST (Mon-Fri) -- https://www.livehelpnow.net/lhn/lcv.aspx?d=34834&ms=&zzwindow=0&lhnid=29783 Again, thanks for sharing your review and for choosing Samsung for your memory storage needs. - Samsung Memory
2025-08-23
Columbia, MO
2025-11-12
Lexington, KY
2025-04-20
Alpharetta, GA
2024-06-20
Cincinnati, Ohio
2025-10-25
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Florida
2025-05-29
Federal Way , WA
2025-08-05
Seattle, WA
2025-12-23
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Tooele, Utah
2024-12-23
Tennessee
2024-02-24
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Dallas, TX
2024-12-09
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Joplin, Missouri
2025-04-25
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San Diego, CA
2026-06-27
Midwest
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Washington State
2026-05-11
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2026-07-16
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Seattle
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Buffalo n.y.
2025-04-27
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2024-06-22
Tampa, FL
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Nashville, TN
2025-10-11
Sonoma, California
2024-02-26
Samsung Brand Ambassador
allisonn72: I’m sorry for the difficulties with your SSD’s setup. We understand your frustrations and are here to help. You can reach us at: 1) Call: 1-800-SAMSUNG (ask for Memory). Available 9AM - 12AM EST (Mon-Fri) 2) Email: samsungmemorysupport@sea.samsung.com 3) LiveChat 9AM-6PM EST (Mon-Fri) -- https://www.livehelpnow.net/lhn/lcv.aspx?d=34834&ms=&zzwindow=0&lhnid=29783 The Samsung Members Community is also a great resource for getting help from Samsung moderators and customers: https://us.community.samsung.com/ Thank you for sharing your experience! We greatly value your feedback and will be shared with our product team. - Samsung Memory
2025-12-31
These reviews are managed by Bazaarvoice and comply with the Bazaarvoice Authenticity Policy, which is supported by anti-fraud technology and human analysis. Details at
https://www.bazaarvoice.com/ca/trustmark/All specifications and descriptions provided herein may be different from the actual specifications and descriptions for the product. Samsung reserves the right to make changes to this document and the product described herein, at anytime, without obligation on Samsung to provide notification of such change.