Storage Comparison
Capacity 2TB |
Sequential Read 5.2GB/s |
Sequential Write 4.8GB/s |
Form Factor M.2-2280 |
Interface PCIe |
Protocol NVMe |
Controller Black |
NAND 3D TLC (112L) |
Capacity 2TB |
Sequential Read 5.2GB/s |
Sequential Write 4.8GB/s |
Seq Write (after SLC cache) 560MB/s |
Rand Read IOPS 650K IOPS |
Rand Write IOPS 800K IOPS |
SLC Cache 740GB |
Form Factor M.2-2280 |
M.2 Size 2280 |
M.2 Key M |
M.2 Type S3 |
Interface PCIe 4.0 x4 |
Protocol NVMe 1.4 |
Designer WD |
Model Black |
Part Number 20-82-10081-A1 |
DRAM Type N/A |
Manufacturer Kioxia |
Codename BiCS5 |
Process Node 19nm |
Type 3D TLC (112L) |
Layers 112L |
Die Size 131mm² |
Die Capacity 1024Gbit |
Die Bit Density 7.8Gbit/mm² |
NAND Chip Count 1 |
NAND Die Count 16 |
NAND Dies/Chip 16 |
SLC Cache 740GB |
Write Endurance 1,200TBW |
MTBF 1.75M hours |
Burst Power 4.6W |
Avg Power 3.3W |
Idle Power 100mW |
Sleep Power 5mW |
Max Op Temp 70°C |
Min Non-Op Temp -45°C |
Max Non-Op Temp 85°C |
Height 22 mm (0.87")Width 80 mm (3.15")Depth 2.4 mm (0.09") |
Weight 5.5 g |
Manufacturer WD |
Model SN770 |
Description 2TB M.2-2280 |
Part Number WDS200T3X0E |
Release Date Feb 2, 2022 |
Warranty 5 years |
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