Western Digital BLACK SN850X 2TB + Heatsink vs BLACK SN850X 4TB + Heatsink SSD Comparison

Western Digital BLACK SN850X 2TB + Heatsink and Western Digital BLACK SN850X 4TB + Heatsink are both solid state drives with the same Interface (PCIe Gen4 x4), Form Factor (M.2-2280) and Max Sequential Read (Up to 7300 MB/s). The main differences are in Performance (+10%) and Capacity.

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Western Digital BLACK SN850X 2TB + Heatsink

Western Digital BLACK SN850X 4TB + Heatsink

Prices
(Change region)

In Stock

$391.95

Last updated 18 minutes ago.

In Stock

Free shipping

$399.99

Out of Stock

Free shipping

$399.99

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Prices
(Change region)

In Stock

$649.99

Last updated 20 minutes ago.

In Stock

$649.99

In Stock

$649.99

Show 4 more offers

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Brand

Western Digital

Brand

Western Digital

Model

WDS200T2XHE

Model

WDS400T2XHE
WDS400T2XHE-00BCA0
WDBB9H0040BNC-WRSN

Release Date

📅 August 2022

Release Date

📅 July 2024

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

User reviews

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User reviews

★★★★☆

(107 reviews)

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Performance (Charts)

31st / 1746

(-10%)

Performance (Charts)

25th / 1746

(0%)

Effective Value

25th / 336

Effective Value

120th / 336

Price history

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Price history

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Price/GB

$0.07

Price/GB

$0.16

GB/$1

13.33

GB/$1

6.15

Series

BLACK SN850X NVMe

Series

Black

Capacity

2000 GB

Capacity

4000 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 7300 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 (9)

	SN850 - Up to 7,000 MB/s 500GB $59.99
	SN850X w/ Heatsink - Up to 7,300 MB/s 1TB $249.00
	SN850X - Up to 7,300 MB/s 2TB $331.55
	SN850 w/ Heatsink - Up to 7,000 MB/s 1TB $255.59
	SN850 w/ Heatsink - Up to 7,000 MB/s 2TB $239.99
	SN850 - Up to 7,000 MB/s 1TB $187.61
	SN850 w/ Heatsink - Up to 7,000 MB/s 500GB $299.00
	SN850 - Up to 7,000 MB/s 2TB $303.95
	SN850X - Up to 7,300 MB/s 1TB $224.28

Options (7)

	1TB SSD $224.28
	2TB SSD w/ Heatsink $391.95
	8TB SSD $1,299.99
	1TB SSD w/ Heatsink $249.00
	2TB SSD $331.55
	4TB SSD $599.00
	8TB SSD w/ Heatsink $1,325.25