Parameters of WDC PC SN520 SDAPNUW-256G-1006 with Firmware 20120006

General information
TrademarkWestern digital
ModelWDC PC SN520 SDAPNUW-256G-1006
Capacity256 GB (238.4 GiB)
TypeSSD
InterfaceNVMe
NVMe version1.3
Firmware20120006
Alternative firmwares1
Firmware upgradesupported
Maximum power consumption2 W
Advanced Formatsupported
Units tested11
Times tested23
Performance
Maximum interface speed1970 MB/s (PCIe 3.0 x2)
Maximum buffered read speed1314 MiB/s
Maximum read speed1221 MiB/s
Minimum average access time0.4 msec
Clearing unused data (TRIM)supported
Host memory buffer (HMB)not supported
Throttling temperature controlsupported
Reliability
Full self-test time31 minutes
Critical maximum temperature86°C (186°F)
Recommended maximum temperature82°C (179°F)
Maximum temperature62°C (143°F)
Average maximum temperature52°C (125°F)
Security
Drive access restrictionsupported
Instant data destructionnot supported