Written analysis
WD Blue SN5100 2TB at a glance
The WD Blue SN5100 2TB is a 2000 GB M.2 2280 SSD using PCIe 4.0 x4, NVMe 2.0. The controller is Polaris 3 A101-000103-A1. Flash type is QLC 218-layer. Cache is listed as Host-Memory-Buffer (HMB).
Rated sequential throughput is 7100 MB/s read and 6700 MB/s write. Random throughput is 1000K read IOPS and 1300K write IOPS. The calculated specification score is 71.3.
Best fit: General storage workloads where compatibility and price matter more than peak transfer rates.
Endurance and thermals
Rated endurance is 900 TBW, or approximately 450 TBW per TB of capacity. The listed warranty is 5 years. Active power is listed at 4.0 W, with 1.2 W idle. Check the drive and motherboard guidance to determine whether a heatsink is recommended for sustained transfers.
Current value
At $280, the drive costs $139.98 per TB. Performance / price is 38.2 and capacity value is 76.4. Compare these values with nearby drives below; interface generation and headline speed alone do not determine value.
Discussion
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