Parameters of Samsung SSD 990 PRO 1TB with Firmware 4B2QJXD7

General information
TrademarkSamsung
ModelSamsung SSD 990 PRO 1TB
Capacity1 TB (931.5 GiB)
TypeSSD
InterfaceNVMe
NVMe version2.0
Firmware4B2QJXD7
Alternative firmwares5
Firmware upgradesupported
Maximum power consumption9 W
Advanced Formatnot supported
Units tested17
Times tested39
Performance
Maximum interface speed7876 MB/s (PCIe 4.0 x4)
Maximum buffered read speed4448 MiB/s
Maximum read speed4029 MiB/s
Minimum average access time0.1 msec
Clearing unused data (TRIM)supported
Host memory buffer (HMB)not supported
Throttling temperature controlsupported
Reliability
Full self-test time35 minutes
Critical maximum temperature85°C (185°F)
Recommended maximum temperature82°C (179°F)
Maximum temperature66°C (150°F)
Average maximum temperature45°C (113°F)
Security
Drive access restrictionsupported
Instant data destructionsupported