Storage Comparison
Capacity 500GB |
Sequential Read 5GB/s |
Sequential Write 4GB/s |
Form Factor M.2-2280 |
Interface PCIe |
Protocol NVMe |
Controller Black |
NAND 3D TLC (112L) |
Capacity 500GB |
Sequential Read 5GB/s |
Sequential Write 4GB/s |
Rand Read IOPS 460K IOPS |
Rand Write IOPS 800K IOPS |
SLC Cache 185GB |
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 66mm² |
Die Capacity 512Gbit |
Die Bit Density 7.76Gbit/mm² |
NAND Chip Count 1 |
NAND Die Count 8 |
NAND Dies/Chip 8 |
SLC Cache 185GB |
Write Endurance 300TBW |
MTBF 1.75M hours |
Burst Power 4.1W |
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 22mm (0.87")Width 80mm (3.15")Depth 2.4mm (0.09") |
Weight 5.5g |
Manufacturer WD |
Model SN770 |
Description 500GB M.2-2280 |
Part Number WDS500G3X0E |
Release Date Feb 2, 2022 |
Warranty 5 years |