Parameters of WD PC SN740 SDDPNQD-256G-1006 with Firmware HPS3

General information
TrademarkWestern digital
ModelWD PC SN740 SDDPNQD-256G-1006
Capacity256 GB (238.4 GiB)
TypeSSD
InterfaceNVMe
NVMe version1.4
FirmwareHPS3
Alternative firmwares1
Firmware upgradesupported
Maximum power consumption4 W
Advanced Formatsupported
Units tested3
Times tested14
Performance
Maximum interface speed7876 MB/s (PCIe 4.0 x4)
Maximum buffered read speed2097 MiB/s
Maximum read speed2059 MiB/s
Minimum average access time0.8 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 temperature84°C (183°F)
Maximum temperature51°C (123°F)
Average maximum temperature42°C (107°F)
Security
Drive access restrictionsupported
Instant data destructionnot supported