Storage Comparison
Capacity 4TB |
Sequential Read 3.4GB/s |
Sequential Write 3.1GB/s |
Form Factor M.2-2280 |
Interface PCIe |
Protocol NVMe |
Controller Black G1 |
NAND 3D TLC (64L) |
Price $950 |
Capacity 4TB |
Sequential Read 3.4GB/s |
Sequential Write 3.1GB/s |
Seq Write (after SLC cache) 1.6GB/s |
Rand Read IOPS 550K IOPS |
Rand Write IOPS 520K IOPS |
SLC Cache 72GB |
Form Factor M.2-2280 |
M.2 Size 2280 |
M.2 Key M |
M.2 Type S3 |
Interface PCIe 3.0 x4 |
Protocol NVMe 1.3 |
Designer WD |
Model Black G1 |
Part Number 20-82-007011 |
Foundry TSMC |
Process Node 28nm |
Cores 3 |
DRAM Size 4GB |
DRAM Type DDR4 |
DRAM Bus Width 16-bit |
Speed 2400MT/s |
DRAM Bandwidth 4.8GB/s |
Manufacturer Kioxia |
Codename BiCS3 |
Process Node 19nm |
Type 3D TLC (64L) |
Layers 64L |
Die Size 132mm² |
Die Capacity 512Gbit |
Die Bit Density 3.88Gbit/mm² |
NAND Chip Count 2 |
NAND Die Count 64 |
NAND Dies/Chip 32 |
SLC Cache 72GB |
Write Endurance 2,400TBW |
MTBF 1.75M hours |
Burst Power 9.2W |
Idle Power 100mW |
Sleep Power 5mW |
Height 22 mm (0.87")Width 80 mm (3.15")Depth 2.4 mm (0.09") |
Weight 7.5 g |
Manufacturer WD |
Model SN750 |
Description 4TB M.2-2280 |
Part Number WDS400T3X0C |
Release Date Mar 1, 2019 |
Price $950 |
Warranty 5 years |
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