WD SN740

SN740

512GB M.2-2280

Storage Comparison

Capacity
512GB
Sequential Read
5GB/s
Sequential Write
4GB/s
Form Factor
M.2-2280
Interface
PCIe
Protocol
NVMe
NAND
3D TLC (112L)

SN740SN7405,000MB/s
x1

Capacity
512GB

Sequential Read
5GB/s
Sequential Write
4GB/s
Rand Read IOPS
460K IOPS
Rand Write IOPS
800K 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
8
NAND Dies/Chip
8

Write Endurance
300TBW
MTBF
1.75M hours

Burst Power
5W
Avg Power
0.5W
Sleep Power
3.3mW

Max Op Temp
85°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
512GB M.2-2280
Part Number
SDDPNQD-512G
Warranty
5 years