990 Pro 4TB vs WD Black SN770 2TB | PCPartMatch

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990 Pro 4TB vs WD Black SN770 2TB | PCPartMatch

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Storage Drives
990 Pro 4TB vs WD Black SN770 2TB

Samsung

990 Pro 4TB

VS

Western Digital

WD Black SN770 2TB

5specs won

of7specs

1specs won

The Samsung 990 Pro 4TB wins in 5 out of 7 comparable specs, with 1 tie. Its biggest advantage is Capacity (100% better).

WD Black SN770 2TB wins in 1 spec (MSRP: 71% better).

Recommendation

Choose 990 Pro 4TB if you want the best overall performance — especially capacity.

Choose WD Black SN770 2TB if msrp matters more to you.

Detailed Specifications

Specification

Samsung990 Pro 4TB

Western DigitalWD Black SN770 2TB

Storage

Capacity

4000 GB+100%

2000 GB

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+45%

5,150 MB/s

Sequential Write

6,900 MB/s+42%

4,850 MB/s

Endurance (TBW)

2,400+100%

1,200

Features

DRAM Cache

Yes+100%

No

Platform

Controller

Samsung Pascal

WD in-house

PCIe Gen

4

4

Price

MSRP

$345

$100−71%

Release Date

Oct 2023

Feb 2022