Storage Comparison
Capacity 500GB |
Sequential Read 7GB/s |
Sequential Write 4.1GB/s |
Form Factor M.2-2280 |
Interface PCIe |
Protocol NVMe |
Controller Black G2 |
NAND 3D TLC (96L) |
Price $108 |
SN8507,000MB/sCapacity 500GB |
Sequential Read 7GB/s |
Sequential Write 4.1GB/s |
Rand Read IOPS 810K IOPS |
Rand Write IOPS 680K IOPS |
SLC Cache 150GB |
Form Factor M.2-2280 |
M.2 Size 2280 |
M.2 Key M |
M.2 Type S3 |
Interface PCIe 4.0 x4 |
Protocol NVMe 1.3 |
Designer WD |
Model Black G2 |
Part Number 20-82-10035-B2 |
Foundry TSMC |
Process Node 16nm |
Cores 5 |
DRAM Size 512MB |
DRAM Type DDR4 |
DRAM Bus Width 16-bit |
Speed 2666MT/s |
Manufacturer Kioxia |
Codename BiCS4 |
Process Node 19nm |
Type 3D TLC (96L) |
Layers 96L |
Die Size 86mm² |
Die Capacity 512Gbit |
Die Bit Density 5.95Gbit/mm² |
NAND Chip Count 2 |
NAND Die Count 8 |
NAND Dies/Chip 4 |
SLC Cache 150GB |
Write Endurance 300TBW |
MTBF 1.75M hours |
Burst Power 9W |
Avg Power 7.5W |
Idle Power 25mW |
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 7.5g |
Manufacturer WD |
Model SN850 |
Description 500GB M.2-2280 |
Part Number WDS500G1X0E |
Release Date Oct 1, 2020 |
Price $108 |
Warranty 5 years |