Western Digital BLACK SN850X 2TB + Heatsink vs SN850 1TB + Heatsink SSD Comparison

Western Digital BLACK SN850X 2TB + Heatsink and Western Digital SN850 1TB + Heatsink are both solid state drives with the same Interface (PCIe Gen4 x4), Form Factor (M.2-2280) and MTBF (1.75M Hours). The main differences are in Performance (+20%), Capacity, SSD Controller and NAND Flash Type.

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Western Digital BLACK SN850X 2TB + Heatsink

Western Digital SN850 1TB + Heatsink

Prices
(Change region)

In Stock

$391.95

Last updated 13 minutes ago.

In Stock

Free shipping

$399.99

Out of Stock

Free shipping

$399.99

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Prices
(Change region)

Out of Stock

Free shipping

$317.00

In Stock

$319.50

Last updated 12 minutes ago.

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Brand

Western Digital

Brand

Western Digital

Model

WDS200T2XHE

Model

WDS100T1XHE

Release Date

📅 August 2022

Release Date

📅 March 2021

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

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User reviews

★★★★★

(60 reviews)

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Performance (Charts)

31st / 1746

(0%)

Performance (Charts)

43rd / 1746

(-20%)

Effective Value

25th / 336

Effective Value

24th / 336

Price history

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Price history

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Price/GB

$0.07

Price/GB

$0.10

GB/$1

13.33

GB/$1

9.71

Series

BLACK SN850X NVMe

Series

BLACK SN850 NVMe

Capacity

2000 GB

Capacity

1000 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

WD/SanDisk NVMe G2

NAND Flash Type

BiCS5 112-layer TLC

NAND Flash Type

3D NAND

Max Sequential Read

Up to 7300 MB/s

Max Sequential Read

Up to 7000 MB/s

Max Sequential Write

Up to 6600 MB/s

Max Sequential Write

Up to 5300 MB/s

MTBF

1.75M Hours

MTBF

1.75M Hours

Options (9)

	SN850 - Up to 7,000 MB/s 500GB $156.51
	SN850X w/ Heatsink - Up to 7,300 MB/s 1TB $249.00
	SN850X - Up to 7,300 MB/s 2TB $349.00
	SN850 w/ Heatsink - Up to 7,000 MB/s 1TB $319.50
	SN850 w/ Heatsink - Up to 7,000 MB/s 2TB $239.99
	SN850 - Up to 7,000 MB/s 1TB $193.51
	SN850 w/ Heatsink - Up to 7,000 MB/s 500GB $299.00
	SN850 - Up to 7,000 MB/s 2TB $300.78
	SN850X - Up to 7,300 MB/s 1TB $226.85

Options (6)

	2TB SSD $300.78
	1TB SSD $193.51
	500GB SSD $156.51
	1TB Call of Duty Special Edition $69.99
	2TB SSD with Heatsink $239.99
	500GB SSD with Heatsink $299.00