SANDISK Optimus GX PRO 8100 1TB vs Western Digital BLACK SN850X 1TB + Heatsink SSD Comparison

SANDISK Optimus GX PRO 8100 1TB and Western Digital BLACK SN850X 1TB + Heatsink are both solid state drives with the same Capacity (1000 GB) and Form Factor (M.2-2280). The main differences are in Interface.

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SANDISK Optimus GX PRO 8100 1TB

Western Digital BLACK SN850X 1TB + Heatsink

Prices
(Change region)

In Stock

$349.99

In Stock

Free shipping

$349.99

In Stock

$349.99

Last updated 34 minutes ago.

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Prices
(Change region)

In Stock

$249.00

Last updated 30 minutes ago.

In Stock

$498.68

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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

SanDisk

Brand

Western Digital

Model

SDSP82100TAN-000E0
SDSP82100TAN

Model

WDS100T2XHE

Release Date

📅 February 2026

Release Date

📅 August 2022

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

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Performance (Charts)

n/a

Performance (Charts)

39th / 1746

Effective Value

20th / 336

Price history

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Price history

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Price/GB

$0.35

Price/GB

$0.10

GB/$1

2.86

GB/$1

Series

BLACK SN850X NVMe

Capacity

1000 GB

Capacity

1000 GB

Interface

PCIe Gen5 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

NAND Flash Type

BiCS5 112-layer TLC

Max Sequential Read

Up to 7300 MB/s

Max Sequential Write

Up to 6300 MB/s

MTBF

1.75M Hours

Options (7)

	4tb GX PRO 8100 $1,399.99
	8tb GX PRO 8100 w/ Heatsink $2,849.99
	4tb GX PRO 8100 w/ Heatsink $1,449.99
	8tb GX PRO 8100 $2,799.99
	1tb GX PRO 8100 w/ Heatsink $369.99
	2tb GX PRO 8100 w/ Heatsink $729.99
	2tb GX PRO 8100 $689.54

Options (9)

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