Written analysis
WD Blue SN5100 500GB at a glance
The WD Blue SN5100 500GB is a 500 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 6600 MB/s read and 5600 MB/s write. Random throughput is 660K read IOPS and 1100K write IOPS. The calculated specification score is 67.9.
Best fit: General storage workloads where compatibility and price matter more than peak transfer rates.
Endurance and thermals
Rated endurance is 300 TBW, or approximately 600 TBW per TB of capacity. The listed warranty is 5 years. Active power is listed at 3.9 W. Check the drive and motherboard guidance to determine whether a heatsink is recommended for sustained transfers.
Current value
At $137, the drive costs $273.98 per TB. Performance / price is 74.4 and capacity value is 37.2. Compare these values with nearby drives below; interface generation and headline speed alone do not determine value.
Discussion
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