Parameters of PC SN740 NVMe WD 256GB with Firmware 73914108

General information
TrademarkWestern digital
ModelPC SN740 NVMe WD 256GB
Capacity256 GB (238.4 GiB)
TypeSSD
InterfaceNVMe
NVMe version1.4
Firmware73914108
Alternative firmwares1
Firmware upgradesupported
Maximum power consumption4 W
Advanced Formatsupported
Units tested4
Times tested5
Performance
Maximum interface speed7876 MB/s (PCIe 4.0 x4)
Maximum read speed2332 MiB/s
Minimum average access time0.10 msec
Clearing unused data (TRIM)supported
Host memory buffer (HMB)supported (64 MiB)
Throttling temperature controlsupported
Reliability
Full self-test time47 minutes
Critical maximum temperature88°C (190°F)
Recommended maximum temperature83°C (181°F)
Maximum temperature67°C (152°F)
Average maximum temperature50°C (122°F)
Security
Drive access restrictionsupported
Instant data destructionnot supported