SN740
256GB M.2-2280
Storage Comparison
Capacity 256GB |
Sequential Read 4GB/s |
Sequential Write 2GB/s |
Form Factor M.2-2280 |
Interface PCIe |
Protocol NVMe |
NAND 3D TLC (112L) |
SN7404,000MB/sCapacity 256GB |
Sequential Read 4GB/s |
Sequential Write 2GB/s |
Rand Read IOPS 270K IOPS |
Rand Write IOPS 470K IOPS |
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 |
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 4 |
NAND Dies/Chip 4 |
Write Endurance 200TBW |
MTBF 1.75M hours |
Burst Power 4.7W |
Avg Power 0.5W |
Sleep Power 3.3mW |
Max Op Temp 70°C |
Min Non-Op Temp -40°C |
Max Non-Op Temp 85°C |
Height 22mm (0.87")Width 80mm (3.15")Depth 2.4mm (0.09") |
Weight 5.4g |
Manufacturer WD |
Model SN740 |
Description 256GB M.2-2280 |
Part Number SDDPNQD-256G |
Warranty 5 years |