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WD Black SN7100 1TB NVMe Gen4 SSD
Key Specifications
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Capacity: 1 TB.
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Form Factor: M.2 2280 (single-sided).
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Interface: PCIe 4.0 ×4, NVMe. Back-compatible with PCIe 3.0/2.0.
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Sequential Read Speed (max): up to ≈ 7,250 MB/s.
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Sequential Write Speed (max): up to ≈ 6,900 MB/s.
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Random IOPS (1TB model): ~1,000K reads / ~1,400K writes (based on some review data) for the 1TB and 2TB variants.
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NAND Type: TLC 3D NAND (Western Digital’s next-gen).
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DRAM: It is a DRAM-less design employing HMB (Host Memory Buffer) instead of on-board DRAM.
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Endurance (TBW): For the 1TB model, rated around ~600 TBW (terabytes written) in some listings.
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Warranty: 5-year limited warranty.