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

Western Digital BLACK SN850X 4TB and Western Digital BLACK SN850X 2TB + Heatsink are both solid state drives with the same Interface (PCIe Gen4 x4), Form Factor (M.2-2280) and SSD Controller (20-82-20035-B1). The main differences are in Performance (+10%) and Capacity.

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Western Digital BLACK SN850X 4TB

Western Digital BLACK SN850X 2TB + Heatsink

Prices
(Change region)

In Stock

$599.99

Last updated 12 minutes ago.

In Stock

$599.99

Out of Stock

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$599.99

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Prices
(Change region)

In Stock

$391.95

Last updated 12 minutes ago.

In Stock

Free shipping

$399.99

Out of Stock

Free shipping

$399.99

Show 3 more offers

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* 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

WDS200T2XHE

Release Date

📅 August 2022

Release Date

📅 August 2022

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

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Performance (Charts)

25th / 1746

(0%)

Performance (Charts)

31st / 1746

(-10%)

Effective Value

64th / 336

Effective Value

25th / 336

Price history

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Price history

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Price/GB

$0.08

Price/GB

$0.07

GB/$1

12.9

GB/$1

13.33

Series

BLACK SN850X NVMe

Series

BLACK SN850X NVMe

Capacity

4000 GB

Capacity

2000 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

20-82-20035-B1

NAND Flash Type

BiCS5 112-layer TLC

NAND Flash Type

BiCS5 112-layer TLC

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 (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 (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 $348.00
	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 $291.00
	SN850X - Up to 7,300 MB/s 1TB $222.51