Storage

Storage Comparison

Capacity
1TB
Sequential Read
7GB/s
Sequential Write
5.3GB/s
Form Factor
M.2-2280
Interface
PCIe
Protocol
NVMe
Controller
Black G2
NAND
3D TLC (96L)
Price
$180

Capacity
1TB

Sequential Read
7GB/s
Sequential Write
5.3GB/s
Seq Write (after SLC cache)
1.3GB/s
Rand Read IOPS
1,000K IOPS
Rand Write IOPS
720K IOPS
SLC Cache
300GB

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
1GB
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
16
NAND Dies/Chip
8

SLC Cache
300GB

Write Endurance
600TBW
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
1TB M.2-2280
Part Number
WDS100T1X0E
Release Date
Oct 1, 2020
Price
$180
Warranty
5 years

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