Skip to main content
WD Black SN850X 2TB
Western Digital · SSD

WD Black SN850X 2TB — Benchmarks & Specs

2022

Bottom line: how fast is the WD Black SN850X 2TB?

In CrystalDiskMark 4K Q32T16 Read IOPS it scores 998,688 IOPS, per SSD-Tester.

Every figure above is a row in the tables below, and each row links out to the review or public benchmark database the number was taken from. SpecPicks aggregates published measurements; it does not report first-party benchmark runs.

The WD Black SN850X 2TB is a SSD released in 2022 from Western Digital. Data on this page draws on 10 synthetic benchmark results, aggregated from public benchmark databases (TechPowerUp, PassMark, Geekbench, Cinebench) and the LocalLLaMA community. Read this page when shopping the WD Black SN850X 2TB, comparing it against other SSDs in your build, or sizing it for a specific workload (gaming at 1080p/1440p/4K, productivity benchmarks, or local LLM inference).

Synthetic Benchmarks

Higher is better. Bars are scaled within each benchmark family (multi-thread, single-thread, etc.) so you can compare like-with-like at a glance.

Synthetic benchmark scores for the WD Black SN850X 2TB — higher is better. Each row links to the public database the number was taken from.
Benchmark Relative Score Source
CrystalDiskMark 4K Q32T16 Read IOPS 998,688 IOPS SSD-Tester 2023-11-27
CrystalDiskMark RND4K Q32T16 Read 998,688 IOPS SSD-Tester 2023-11-27
CrystalDiskMark RND4K Q32T16 Write 761,944 IOPS SSD-Tester 2023-11-27
CrystalDiskMark 4K Q32T16 Write IOPS 761,944 IOPS SSD-Tester 2023-11-27
CrystalDiskMark RND4K Q32T16 Read 743,828 IOPS KitGuru 2022-11-02
CrystalDiskMark 4K Q32T16 Random Read 726,685 IOPS KitGuru 2022-11-02
CrystalDiskMark 4K Q32T1 Read IOPS (Peak Perf profile) 726,685 IOPS KitGuru 2022-11-02
CrystalDiskMark RND4K Q32T16 Write 602,168 IOPS KitGuru 2022-11-02
CrystalDiskMark 4K Q32T1 Write IOPS (Peak Perf profile) 582,276 IOPS KitGuru 2022-11-02
CrystalDiskMark 4K Q32T16 Random Write 582,276 IOPS KitGuru 2022-11-02

Full Specifications

tbw1200
interfacePCIe 4.0 x4
capacity gb2000
seq read mbs7300
seq write mbs6600

WD Black SN850X 2TB — Frequently Asked Questions

What is the WD Black SN850X 2TB best used for?
WD Black SN850X 2TB is a SSD. See the specs table and benchmark results below for performance context.
When was the WD Black SN850X 2TB released, and what was its launch MSRP?
WD Black SN850X 2TB was released in 2022. MSRP isn't on file; current street prices are visible in the Amazon listings linked below.
Where do the benchmark numbers on this page come from?
Synthetic benchmarks are scraped from public databases (TechPowerUp, PassMark, Geekbench Browser, Cinebench leaderboards). AI inference numbers come from the LocalLLaMA community (Reddit threads, llama.cpp / Ollama discussion logs, and Phoronix when available). Every benchmark row carries an inline source citation — click through to verify the original number.
How does the WD Black SN850X 2TB compare to its predecessor?
Compare WD Black SN850X 2TB side-by-side against other SSDs on the Compare tool below. Synthetic benchmark scores let you place this SKU within its generation; the spec table shows the architectural and process-node differences from one generation to the next.
Where can I buy the WD Black SN850X 2TB?
Active Amazon listings aren't on file for this exact SKU yet. See the linked benchmark sources and the Compare tool for adjacent parts that may be in stock — and check the /benchmarks index for the latest curated picks in this category.

Buying guides that rank the WD Black SN850X 2TB's class

This page is the raw performance data. The guides below turn it into a ranked pick for a specific build.

More guides & deep dives from the SpecPicks archive

Browse all articles & guides →

More reviews from the SpecPicks archive

Browse all reviews →

More buying guides from SpecPicks

Browse all buying guides →