Storage Comparison

Capacity
500GB
Sequential Read
3.5GB/s
Sequential Write
3.1GB/s
Form Factor
M.2-2280
Interface
PCIe
Protocol
NVMe
Controller
Cepheus
NAND
3D TLC (128L)
Price
$70

Gold P31Gold P313,500MB/s
x1

Capacity
500GB

Sequential Read
3.5GB/s
Sequential Write
3.1GB/s
Seq Write (after SLC cache)
950MB/s
Rand Read IOPS
570K IOPS
Rand Write IOPS
600K IOPS
Rand Write TLC/QLC
220K IOPS
SLC Cache
50GB

Form Factor
M.2-2280
M.2 Size
2280
M.2 Key
M
M.2 Type
S2

Interface
PCIe 3.0 x4
Protocol
NVMe 1.3

Designer
SK hynix
Model
Cepheus
Cores
2

DRAM Size
512MB
DRAM Type
LPDDR4
DRAM Bus Width
16-bit
Speed
4266MT/s

Manufacturer
SK hynix
Codename
V-NAND V6
Process Node
20nm
Type
3D TLC (128L)
Layers
128L
Die Size
63mm²
Die Capacity
512Gbit
Die Bit Density
8.1Gbit/mm²
NAND Chip Count
2
NAND Die Count
8
NAND Dies/Chip
4

SLC Cache
50GB

AES-128
No
AES-256
Yes
TCG Opal 2.0
No
IEEE 1667
No
Power Loss Protection
No

Write Endurance
500TBW
MTBF
1.5M hours

Burst Power
6.3W
Idle Power
50mW
Sleep Power
5mW

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
2.2mm (0.09")
Weight
7g

Manufacturer
SK hynix
Model
Gold P31
Description
500GB M.2-2280
Part Number
SHGP31-500GM-2
Release Date
Aug 18, 2020
Price
$70
Warranty
5 years