Samsung 990 Pro 1Tb NVMe SSD specifications

Posted on November 28, 2022 by Raymond Chen

How fast is the 990 Pro (1Tb) produced by Samsung and other specifications watch on our page.

Samsung 990 Pro 1Tb NVMe SSD specifications

Samsung's 1Tb 990 Pro NVMe use Samsung Pascal. This NVMe has DRAM LPDDR4 for mapping data, located on the NVMe. The 990 Pro comes equipped with Samsung 3D TLC flash memory. Internal SSD besides, available in 4 Tb and 2 Tb capacities.

Performance and benchmarks

Storage use PCIe M.2 4.0 x 4 expansion standard with maximum read speeds 7400 Mbps, and sequential write speeds equals to 6900 MB/s. It also has IOPS 4000000 on writing and 1000000 on reading operations per second.

Endurance and warranty

Samsung give 5-year warranty that limited by endurance 2400 Total Bytes Written.


Category Value
Capacity 1 Tb
Interface M.2 4.0 x 4
Controller Samsung Pascal
Memory type Samsung 3D TLC
Read speed (Mb/s) 7400
Write speed (Mb/s) 6900
Read IOPS 1000000
Write IOPS 4000000
Endurance (TBW) 2400
MTBF (million hours) n/a
Warranty (years) 5


990 Pro (1Tb) produced by Samsung use PCIe Gen4 that is significantly faster than PCIe Gen3. The sequential write speed is 6900 Mb/s, that is faster than has other competitors. The NVMe provide possibility to write 2400 TBW, that is excellent against nearest rivals. Overall, we strongly recommend to buy Samsung 990 Pro 1Tb for your PC.

+ Pros

  • Excellent writing speed
  • PCIe 4.0
  • Capacity
  • Endurance

- Cons

  • None

Buy this or similar SSD:

Video Review

Samsung 990 PRO NVMe SSD Review - Versus 22 Other Drives


The Samsung 990 Pro has LPDDR4. DRAM makes SSD work faster, but more expensive.

The 990 Pro 1Tb due to the low density of memory chips may function with no extra cooling systems. Some motherboards or laptops designed with additional cooling above or below the storage for improving performance during high loads.

The Samsung 990 Pro 1Tb has maximum write speed 6900 Mbps, maximum read speed 7400 Mbps. SSD operate on Samsung Pascal controller and M.2 4.0 x 4 interface standard. The memory type is Samsung 3D TLC.
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