WD_BLACK SN850 500GB + Heatsink vs WD_BLACK SN8100 8TB Heatsink SSD Comparison

WD_BLACK SN850 500GB + Heatsink and Western Digital WD_BLACK SN8100 8TB Heatsink are both solid state drives with the same Form Factor (M.2-2280). The main differences are in Capacity and Interface.

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WD_BLACK SN850 500GB + Heatsink

Western Digital WD_BLACK SN8100 8TB Heatsink

Prices
(Change region)

In Stock

Free shipping

$299.00

Prices
(Change region)

In Stock

$2,199.99

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Brand

Western Digital

Brand

Western Digital

Model

WDS500G1XHE

Model

WDS800T1XHM-00CMT0

Release Date

📅 October 2025

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

User reviews

★★★★★

(22 reviews)

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Price/GB

$0.14

Price/GB

$0.27

GB/$1

7.14

GB/$1

3.64

Series

BLACK SN850 NVMe

Series

Capacity

500 GB

Capacity

8000 GB

Interface

PCIe Gen4 x4

Interface

PCIe Gen5 x4

NVME

Yes

NVME

Yes

Form Factor

M.2-2280

Form Factor

M.2-2280

SSD Controller

WD/SanDisk NVMe G2

SSD Controller

NAND Flash Type

3D NAND

NAND Flash Type

Max Sequential Read

Up to 7000 MB/s

Max Sequential Read

Max Sequential Write

Up to 4100 MB/s

Max Sequential Write

MTBF

1.75M Hours

MTBF

Options (9)

	SN850 - Up to 7,000 MB/s 2TB $303.95
	SN850X - Up to 7,300 MB/s 2TB $331.55
	SN850 - Up to 7,000 MB/s 500GB $59.99
	SN850 w/ Heatsink - Up to 7,000 MB/s 1TB $255.59
	SN850X w/ Heatsink - Up to 7,300 MB/s 1TB $249.00
	SN850X - Up to 7,300 MB/s 1TB $224.28
	SN850 w/ Heatsink - Up to 7,000 MB/s 2TB $239.99
	SN850X w/ Heatsink - Up to 7,300 MB/s 2TB $391.95
	SN850 - Up to 7,000 MB/s 1TB $187.61