990 Pro 2TB vs WD Black SN850X 4TB | PCPartMatch

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990 Pro 2TB vs WD Black SN850X 4TB | PCPartMatch

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Storage Drives
990 Pro 2TB vs WD Black SN850X 4TB

Samsung

990 Pro 2TB

VS

Western Digital

WD Black SN850X 4TB

3specs won

of7specs

2specs won

The Samsung 990 Pro 2TB wins in 3 out of 7 comparable specs, with 2 ties. Its biggest advantage is MSRP (55% better).

WD Black SN850X 4TB wins in 2 specs (Capacity: 100% better).

Recommendation

Choose 990 Pro 2TB if you want the best overall performance — especially msrp.

Choose WD Black SN850X 4TB if capacity matters more to you.

Detailed Specifications

Specification

Samsung990 Pro 2TB

Western DigitalWD Black SN850X 4TB

Storage

Capacity

2000 GB

4000 GB+100%

Type

NVMe SSD

NVMe SSD

Interface

Add Another Component

PCIe Gen4 x4

PCIe Gen4 x4

Form Factor

M.2-2280

M.2-2280

NAND Type

TLC

TLC

Performance

Sequential Read

7,450 MB/s+2%

7,300 MB/s

Sequential Write

6,900 MB/s+5%

6,600 MB/s

Endurance (TBW)

1,200

2,400+100%

Features

DRAM Cache

Yes

Yes

Platform

Controller

Samsung Pascal

WD custom

PCIe Gen

4

4

Price

MSRP

$170−55%

$380

Release Date

Oct 2022

May 2023