Compare Solid State Drives

Compare SANDISK Optimus GX PRO 850X 8TB Heatsink vs ADATA XPG SX8000 PCIe 128GB

SANDISK Optimus GX PRO 850X 8TB Heatsink and ADATA XPG SX8000 PCIe 128GB 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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SANDISK Optimus GX PRO 850X 8TB Heatsink

ADATA XPG SX8000 PCIe 128GB

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-

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Brand

SanDisk

Brand

ADATA

Model

SDSP81800TAH-000E0
SDSP81800TAH

Model

ASX8000NP-128GM-C

Release Date

📅 February 2026

Release Date

-

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

User reviews

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User reviews

★★★★☆

(22 reviews)

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Performance (Charts)

n/a

Performance (Charts)

193rd / 1746

Effective Value

-

Effective Value

-

Price history

View Details ►

Price history

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Price/GB

$0.34

Price/GB

-

GB/$1

2.96

GB/$1

-

Series

-

Series

XPG SX8000

Capacity

8000 GB

Capacity

128 GB

Interface

PCIe Gen4 x4

Interface

PCIe Gen3 x4

NVME

Yes

NVME

Yes

Form Factor

M.2-2280

Form Factor

M.2-2280

SSD Controller

-

SSD Controller

Silicon Motion SM2260

Max Sequential Read

-

Max Sequential Read

Up to 1000 MB/s (ATTO)
Up to 1000 MB/s (CDM QD32)
Up to 900 MB/s (AS SSD)

Max Sequential Write

-

Max Sequential Write

Up to 550 MB/s (ATTO)
Up to 550 MB/s (CDM QD32)
Up to 500 MB/s (AS SSD)

MTBF

-

MTBF

2,000,000 hours

-

Options (1)

XPG SX8000 PCIe 512GB

512 GB With Heatsink MLC
$447.59

Comparison and key differences summary

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

More Capacity (+7872 GB available)
Newer interface (PCIe Gen4 x4)

Reasons to buy the ADATA XPG SX8000 PCIe 128GB:

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