Parameters of WDC PC SN520 SDAPNUW-256G-1202 with Firmware 20200000

General information
TrademarkWestern digital
ModelWDC PC SN520 SDAPNUW-256G-1202
Capacity256 GB (238.4 GiB)
TypeSSD
InterfaceNVMe
NVMe version1.3
Firmware20200000
Firmware upgradesupported
Maximum power consumption2 W
Advanced Formatsupported
Units tested3
Times tested3
Performance
Maximum interface speed1970 MB/s (PCIe 3.0 x2)
Maximum buffered read speed1195 MiB/s
Maximum read speed1000 MiB/s
Minimum average access time0.5 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 temperature40°C (104°F)
Average maximum temperature37°C (98°F)
Security
Drive access restrictionsupported
Instant data destructionnot supported