SANDISK Optimus GX PRO 8100 1TB vs ADATA XPG GAMMIX S55 512GB SSD Comparison

The main differences between SANDISK Optimus GX PRO 8100 1TB and ADATA XPG GAMMIX S55 512GB are in Capacity, Interface and Form Factor.

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SANDISK Optimus GX PRO 8100 1TB

ADATA XPG GAMMIX S55 512GB

Prices
(Change region)

In Stock

$349.99

In Stock

Free shipping

$349.99

In Stock

$349.99

Last updated 25 minutes ago.

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Prices
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Out of Stock

Free shipping

$39.99

Out of Stock

$91.57

Out of Stock

Free shipping

$135.72

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Brand

SanDisk

Brand

ADATA

Model

SDSP82100TAN-000E0
SDSP82100TAN

Model

GAMMIXS55-512G-C
SGAMMIXS55-512G-C

Release Date

📅 February 2026

Release Date

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

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Price/GB

$0.35

Price/GB

$0.08

GB/$1

2.86

GB/$1

12.8

Series

GAMMIX S55

Capacity

1000 GB

Capacity

512 GB

Interface

PCIe Gen5 x4

Interface

PCIe Gen4 x4

NVME

Yes

NVME

Yes

Form Factor

M.2-2280

Form Factor

M.2-2230

SSD Controller

ADATA

NAND Flash Type

3D NAND

Max Sequential Read

Up to 5000 MB/s

Max Sequential Write

Up to 3800 MB/s

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