Storage Comparison
Capacity 2TB |
Sequential Read 7GB/s |
Sequential Write 5.1GB/s |
Form Factor M.2-2280 |
Interface PCIe |
Protocol NVMe |
Controller Black G2 |
NAND 3D TLC (96L) |
Price $360 |
Capacity 2TB |
Sequential Read 7GB/s |
Sequential Write 5.1GB/s |
Seq Write (after SLC cache) 1.1GB/s |
Rand Read IOPS 1,000K IOPS |
Rand Write IOPS 710K IOPS |
SLC Cache 600GB |
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 2GB |
DRAM Type DDR4 |
DRAM Bus Width 16-bit |
Speed 2666MT/s |
DRAM Bandwidth 5.33GB/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 32 |
NAND Dies/Chip 16 |
SLC Cache 600GB |
Write Endurance 1,200TBW |
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 22 mm (0.87")Width 80 mm (3.15")Depth 2.4 mm (0.09") |
Weight 7.5 g |
Manufacturer WD |
Model SN850 |
Description 2TB M.2-2280 |
Part Number WDS200T1X0E |
Release Date Oct 1, 2020 |
Price $360 |
Warranty 5 years |
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