9100 Pro 8TB vs WD Black SN850X 4TB | PCPartMatch

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9100 Pro 8TB vs WD Black SN850X 4TB | PCPartMatch

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Storage Drives
9100 Pro 8TB vs WD Black SN850X 4TB

Samsung

9100 Pro 8TB

VS

Western Digital

WD Black SN850X 4TB

5specs won

of7specs

1specs won

The Samsung 9100 Pro 8TB wins in 5 out of 7 comparable specs, with 1 tie. Its biggest advantage is Sequential Read (103% better).

WD Black SN850X 4TB wins in 1 spec (MSRP: 55% better).

Recommendation

Choose 9100 Pro 8TB if you want the best overall performance — especially sequential read.

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

Detailed Specifications

Specification

Samsung9100 Pro 8TB

Western DigitalWD Black SN850X 4TB

Storage

Capacity

8000 GB+100%

4000 GB

Type

NVMe SSD

NVMe SSD

Interface

Add Another Component

PCIe Gen5 x4

PCIe Gen4 x4

Form Factor

M.2-2280

M.2-2280

NAND Type

TLC

TLC

Performance

Sequential Read

14,800 MB/s+103%

7,300 MB/s

Sequential Write

13,400 MB/s+103%

6,600 MB/s

Endurance (TBW)

4,800+100%

2,400

Features

DRAM Cache

Yes

Yes

Platform

Controller

Samsung Presto

WD custom

PCIe Gen

5+25%

4

Price

MSRP

$850

$380−55%

Release Date

Mar 2025

May 2023