Western Digital BLACK SN850X 4TB vs BLACK SN850X 8TB SSD Comparison

Western Digital BLACK SN850X 4TB and Western Digital BLACK SN850X 8TB are both solid state drives with the same Interface (PCIe Gen4 x4), Form Factor (M.2-2280) and Max Sequential Write (Up to 6600 MB/s). The main differences are in Performance (+0%), Capacity and Max Sequential Read.

Save comparison

Western Digital BLACK SN850X 4TB

Western Digital BLACK SN850X 8TB

Prices
(Change region)

In Stock

$599.99

Last updated 16 minutes ago.

In Stock

$599.99

Out of Stock

Free shipping

$599.99

Show 3 more offers

Prices
(Change region)

In Stock

$1,399.99

Last updated 17 minutes ago.

Out of Stock

Free shipping

$1,399.99

Out of Stock

Free shipping

$1,459.99

Show 1 more offers

* Pangoly may earn a commission when you use one of the links to make a purchase. (Disclosure)

* Product prices and availability are subject to change frequently. Any price and availability information displayed on Amazon at the time of purchase will apply.

Brand

Western Digital

Brand

Western Digital

Model

WDS400T2X0E

Model

WDS800T2X0E

Release Date

📅 August 2022

Release Date

📅 July 2024

* First availability for purchase, it may not correspond to the actual market launch date.

User reviews

Add a product review

User reviews

★★★★☆

(86 reviews)

Add a product review

Performance (Charts)

25th / 1746

(0%)

Performance (Charts)

27th / 1746

(0%)

Effective Value

64th / 336

Effective Value

139th / 336

Price history

View Details ►

Price history

View Details ►

Price/GB

$0.08

Price/GB

$0.11

GB/$1

12.9

GB/$1

9.41

Series

BLACK SN850X NVMe

Series

Black

Capacity

4000 GB

Capacity

8000 GB

Interface

PCIe Gen4 x4

Interface

PCIe Gen4 x4

NVME

Yes

NVME

Yes

Form Factor

M.2-2280

Form Factor

M.2-2280

SSD Controller

20-82-20035-B1

SSD Controller

NAND Flash Type

BiCS5 112-layer TLC

NAND Flash Type

Max Sequential Read

Up to 7300 MB/s

Max Sequential Read

Up to 7200 MB/s

Max Sequential Write

Up to 6600 MB/s

Max Sequential Write

Up to 6600 MB/s

MTBF

1.75M Hours

MTBF

1.75M Hours

Options (10)

	SN850 w/ Heatsink - Up to 7,000 MB/s 1TB $255.59
	SN850X - Up to 7,300 MB/s 2TB $348.00
	SN850 - Up to 7,000 MB/s 500GB $59.99
	SN850 w/ Heatsink - Up to 7,000 MB/s 500GB $299.00
	SN850 w/ Heatsink - Up to 7,000 MB/s 2TB $239.99
	SN850 - Up to 7,000 MB/s 2TB $291.00
	SN850X - Up to 7,300 MB/s 1TB $222.51
	SN850 - Up to 7,000 MB/s 1TB $187.61
	SN850X w/ Heatsink - Up to 7,300 MB/s 2TB $391.95
	SN850X w/ Heatsink - Up to 7,300 MB/s 1TB $249.00

Options (7)

	1TB SSD $222.51
	4TB SSD w/ Heatsink $649.99
	8TB SSD w/ Heatsink $1,322.72
	1TB SSD w/ Heatsink $249.00
	2TB SSD w/ Heatsink $391.95
	2TB SSD $348.00
	4TB SSD $599.99