Description
Specifications & Features
🔹Performance
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Interface: PCIe 4.0 x4 and PCIe 5.0 x2, NVME 2.0.
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Sequential Read: Up to 7,150–7,250 MB/s.
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Sequential Write: Around 6,300 MB/s.
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Random IOPS: Up to 850,000 (read) and 1,350,000 (write)
🔹Efficiency & Thermal Management
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Power Efficiency: Improved by 73% over prior models .
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Thermal Controls: Features a nickel-coated controller, heat spreader label, and Samsung’s Dynamic Thermal Guard for consistent performance .
🔹Technology & Features
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Flash Type: Samsung 236-layer V8 TLC NAND .
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Controller: Samsung’s in-house (Piccolo) DRAM-less design with Host Memory Buffer (HMB)
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Turbo Write: Intelligent Turbo Write 2.0 with enlarged buffer region.
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Encryption: Supports AES-256 hardware encryption, TCG/Opal 2.0, and IEEE 1667.
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Reliability:
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MTBF: 1.5 million hours .
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TBW Warranty: 600 TBW or 5-year limited warranty .
🔹Physical Details & Support
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Form Factor/Size: M.2 2280 (22 × 80 × 2.38 mm), 9g .
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Software: Samsung Magician suite for firmware updates, optimization, drive health monitoring, and encryption management .
🔹Review Insights
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Tom’s Hardware calls the 990 EVO Plus “a solid drive in every way,” especially noting improvements over its predecessor as a good performer in the competitive DRAM-less SSD segment .
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Common praises include excellent performance, power efficiency, and thermal management. A caveat: pricing remains a point of comparison against rival models .
Overview Table
| Specification | Details |
|---|---|
| Interface | PCIe 4.0 x4 & PCIe 5.0 x2 (NVME 2.0) |
| Read Speed | Up to 7,150–7,250 MB/s |
| Write Speed | Up to 6,300 MB/s |
| Random IOPS | Up to 850k (read), 1.35M (write) |
| NAND Type | Samsung 236-layer V8 TLC |
| Controller | DRAM-less with HMB (Piccolo) |
| Power Efficiency | 73% better than predecessor |
| Encryption | AES-256, TCG/Opal 2.0, IEEE 1667 |
| MTBF/Warranty | 1.5M hours / 5 years or 600 TBW |
| Form Factor | M.2 2280 (9 g) |
| Software Support | Samsung Magician |
| Review Feedback | Strong performance, slightly premium price |












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