Compare Solid State Drives

Compare SANDISK Optimus GX PRO 850X 8TB Heatsink vs Pioneer 256GB NVMe

SANDISK Optimus GX PRO 850X 8TB Heatsink and Pioneer 256GB NVMe 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

Pioneer 256GB NVMe

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Brand

SanDisk

Brand

Pioneer

Model

SDSP81800TAH-000E0
SDSP81800TAH

Model

APS-SE20G-256

Release Date

📅 February 2026

Release Date

-

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

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User reviews

★★★★★

(4 reviews)

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Price history

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Price history

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Price/GB

$0.34

Price/GB

-

GB/$1

2.96

GB/$1

-

Series

-

Series

APS-SE20G

Capacity

8000 GB

Capacity

256 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

Phison

Max Sequential Read

-

Max Sequential Read

Up to 3000 MB/s

Max Sequential Write

-

Max Sequential Write

Up to 1000 MB/s

-

Options (3)

	512GB
	2TB
	1TB

Comparison and key differences summary

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

More Capacity (+7744 GB available)
Newer interface (PCIe Gen4 x4)

Reasons to buy the Pioneer 256GB NVMe:

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