Storage

Storage Comparison

Capacity
4TB
Sequential Read
560MB/s
Sequential Write
530MB/s
Form Factor
2.5"
Interface
SATA
Protocol
AHCI
Controller
MKX
NAND
3D QLC (92L)

Capacity
4TB

Sequential Read
560MB/s
Sequential Write
530MB/s
Seq Write (after SLC cache)
160MB/s
Rand Read IOPS
98K IOPS
Rand Write IOPS
88K IOPS
Rand Read QD1
11K IOPS
Rand Write QD1
35K IOPS
Rand Write TLC/QLC
42K IOPS
SLC Cache
78GB

Form Factor
2.5"

Interface
SATA III
Protocol
AHCI

Designer
Samsung
Model
MKX
Part Number
S4LR059
Foundry
Samsung
Process Node
14nm
Cores
3

DRAM Size
4GB
DRAM Type
LPDDR4
DRAM Bus Width
16-bit
Speed
3733MT/s
DRAM Bandwidth
7.47GB/s

Manufacturer
Samsung
Codename
V-NAND V5
Process Node
20nm
Type
3D QLC (92L)
Layers
92L
Die Size
136mm²
Die Capacity
1024Gbit
Die Bit Density
7.53Gbit/mm²
NAND Chip Count
4
NAND Die Count
32
NAND Dies/Chip
8

SLC Cache
78GB

AES-128
Yes
AES-256
Yes
TCG Opal 2.0
Yes
IEEE 1667
Yes

Write Endurance
1,440TBW
MTBF
1.5M hours

Burst Power
3.2W
Avg Power
2.2W
Idle Power
35mW
Sleep Power
7mW

Height
100 mm (3.94")
Width
69.9 mm (2.75")
Depth
6.8 mm (0.27")
Weight
54 g

Manufacturer
Samsung
Model
870 QVO
Description
4TB 2.5"
Part Number
MZ-77Q4T0B/AM
Release Date
Jun 30, 2020
Warranty
3 years

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