Skip to content

SanDisk · PCIe 4.0 · 1000 GB

WD_BLACK 1TB SN850X NVMe

M.2 2280 · TLC NAND · DDR4-3200

Performance
71
Perf / price
40
Capacity value
40
Amazon
$267
WD_BLACK 1TB SN850X NVMe
View WD_BLACK 1TB SN850X NVMe Gallery in high resolution
$267
Available on Amazon Updated Aug 29, 2026 Prime FBA
Performance71.5
Performance / price40.2
Capacity value40.2
$267 on Amazon Add this SSD to a build Compare this SSD SSD table

Written analysis

WD_BLACK 1TB SN850X NVMe at a glance

The WD_BLACK 1TB SN850X NVMe is a 1000 GB M.2 2280 SSD using PCIe 4.0 x4, NVMe 1.4. The controller is WD Black G2 (20-82-20035-B2). Flash type is TLC 112-layer. Cache is listed as DDR4-3200.

Rated sequential throughput is 7300 MB/s read and 6300 MB/s write. Random throughput is 800K read IOPS and 1100K write IOPS. The calculated specification score is 71.5.

Best fit: General storage workloads where compatibility and price matter more than peak transfer rates.

Endurance and thermals

Rated endurance is 600 TBW, or approximately 600 TBW per TB of capacity. The listed warranty is 5 years.

Current value

At $267, the drive costs $266.99 per TB. Performance / price is 40.2 and capacity value is 40.2. Compare these values with nearby drives below; interface generation and headline speed alone do not determine value.

Drive data

Full specifications

Interface, flash, controller, cache, throughput, endurance, power, warranty, and value in one technical sheet.

General

Manufacturer
SanDisk
SSD
WD_BLACK 1TB SN850X NVMe
Part number
WDS100T2X0E
Model
WDS100T2X0E
Capacity
1000 GB
Form factor
M.2 2280
Launch price
—
Amazon price
$267
Amazon availability
Available
Price updated
Aug 29, 2026

Performance

Sequential read
7300 MB/s
Sequential write
6300 MB/s
Random read
800K IOPS
Random write
1100K IOPS

Value

Amazon price
$267
Price / TB
$266.99
Performance / price
40.2
Capacity value
40.2

Hardware & cache

Interface
PCIe 4.0 x4, NVMe 1.4
Interface generation
PCIe 4.0
Controller
WD Black G2 (20-82-20035-B2)
NAND
TLC 112-layer
Process
16.0
Cache type
DDR4-3200
DRAM
DDR4-3200
DRAM capacity
1024 MB
DRAM speed
3200 MT/s
SLC cache
288 GB Dynamic + 12 GB Static

Durability & power

Endurance
600 TBW
Endurance / TB
600 TBW
Warranty
5 years
Idle power
—
Active power
—

Additional information

Also listed as
1TB SN850X NVMe
Color
Black

Amazon

Price history

Nearby performance

Similar SSDs

Drives close to WD_BLACK 1TB SN850X NVMe on calculated specification performance. Open the SSD table to sort, filter, and compare side by side.

Compare these in the SSD table

Discussion

Comments on WD_BLACK 1TB SN850X NVMe

No comments yet.

Vendor copy

Amazon listing details

Marketplace feature text kept for reference. Structured specifications above are the source for scores and comparisons.

TRANFORM YOUR PC: Insane speeds up to 7,300MB/s (1TB - 4TB models) deliver top-tier performance with ridiculously short load times for your gaming PC or workstation — for the elite experience you’ve been waiting for.

MORE ROOM FOR MORE GAMES: Capacities up to 8TB built with SANDISK TLC 3D NAND, means you get to keep more games at the ready — and get into the action even faster.

HEATSINK FOR THE WIN: The WD_BLACK SN850X NVMe SSD 1TB and 2TB drives have an optional heatsink version that not only looks awesome but also helps your rig maintain peak performance through the most intense gaming sessions.

DO MORE WITH WD_BLACK DASHBOARD: The downloadable WD_BLACK Dashboard (Windows only) monitors your drive’s health, lets you customize your RGB lighting, and, exclusively on the SN850X SSD, enables Game Mode 2.0 to transform your gaming experience.

FUTURE FORWARD FREATURES: The WD_BLACK SN850X SSD boasts a powerful suite of features, including Predictive Loading, Overhead Balancing, and Adaptive Thermal Management (ATM).

POWERED BY SANDISK: The WD_BLACK, WD Blue, and WD Green flash products are manufactured by Sandisk Technologies, Inc. or its affiliates and distributed under license from Western Digital Corporation.

Privacy controls

Choose whether optional analytics may run. Necessary storage remains active because it supports security, login, requested preferences, and this choice.

Necessary Security, sessions, forms, and preferences you request.
Always active