Compare Solid State Drives

Compare SANDISK Optimus GX PRO 850X 8TB Heatsink vs XPG GAMMIX S50 1TB

SANDISK Optimus GX PRO 850X 8TB Heatsink and XPG GAMMIX S50 1TB are both solid state drives with the same Interface (PCIe Gen4 x4) and Form Factor (M.2-2280). The main differences are in Capacity.

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SANDISK Optimus GX PRO 850X 8TB Heatsink

XPG GAMMIX S50 1TB

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Brand

SanDisk

Brand

XPG

Model

SDSP81800TAH-000E0
SDSP81800TAH

Model

AGAMMIXS50-1TT-C

Release Date

📅 February 2026

Release Date

📅 October 2019

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

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User reviews

★★★☆☆

(5 reviews)

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Price history

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Price history

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Price/GB

$0.34

Price/GB

$0.59

GB/$1

2.96

GB/$1

1.68

Series

-

Series

GAMMIX S50

Capacity

8000 GB

Capacity

1000 GB

Interface

PCIe Gen4 x4

Interface

PCIe Gen4 x4

NVME

Yes

NVME

Yes

Form Factor

M.2-2280

Form Factor

M.2-2280

NAND Flash Type

-

NAND Flash Type

3D TLC

Max Sequential Read

-

Max Sequential Read

ATTO: 4700 MB/s
CDM (QD32-T1): 5000 MB/s
AS SSD: 4100 MB/s

Max Sequential Write

-

Max Sequential Write

ATTO: 4200 MB/s
CDM (QD32-T1): 4400 MB/s
AS SSD: 3700 MB/s

MTBF

-

MTBF

1,700,000 hours

-

Options (3)

	2TB 3900/3200MB/s $159.99
	2TB 5000/4400MB/s $773.17
	1TB 3900/3200MB/s $178.44

Comparison and key differences summary

Reasons to buy the SANDISK Optimus GX PRO 850X 8TB Heatsink:

Newer Product, it was released around 6 years later
More Capacity (+7000 GB available)

Reasons to buy the XPG GAMMIX S50 1TB:

78% cheaper, you can save $2,105.97

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