Storage

Storage Comparison

Capacity
128GB
Sequential Read
540MB/s
Sequential Write
365MB/s
Form Factor
M.2
Interface
SATA
Protocol
AHCI
Controller
MEX
NAND
TLC

Capacity
128GB

Sequential Read
540MB/s
Sequential Write
365MB/s
Rand Read IOPS
100K IOPS
Rand Write IOPS
100K IOPS
SLC Cache
3GB

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

Interface
SATA III
Protocol
AHCI

Designer
Samsung
Model
MEX
Part Number
S4LN045X01
Foundry
Samsung
Process Node
32nm
Cores
3
Clock
400 MHz

DRAM Size
256MB
DRAM Type
LPDDR2
DRAM Bus Width
32-bit
Speed
1066MT/s
DRAM Bandwidth
4.26GB/s

Manufacturer
Samsung
Codename
Toggle 2.0
Process Node
19nm
Type
TLC
Die Size
130mm²
Die Capacity
128Gbit
Die Bit Density
0.98Gbit/mm²
NAND Chip Count
2
NAND Die Count
8
NAND Dies/Chip
4

SLC Cache
3GB

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

MTBF
1.5M hours

Burst Power
1.9W
Idle Power
50mW
Sleep Power
2mW

Height
22 mm (0.87")
Width
80 mm (3.15")
Depth
2.4 mm (0.09")
Weight
8.5 g

Manufacturer
Samsung
Model
PM851
Description
128GB M.2
Release Date
Apr 1, 2014

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