Compare Solid State Drives

Compare SANDISK Optimus GX PRO 850X 1TB Heatsink vs A-DATA Premier Pro SP920 256GB

The main differences between SANDISK Optimus GX PRO 850X 1TB Heatsink and A-DATA Premier Pro SP920 256GB are in Capacity, Interface, NVME and Form Factor.

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SANDISK Optimus GX PRO 850X 1TB Heatsink

A-DATA Premier Pro SP920 256GB

Prices
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In Stock

Free shipping

In Stock

Free shipping

Prices
(Change region)

-

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Pangoly Score (How do we rate?)

-

Pangoly Score (How do we rate?)

88

Brand

SanDisk

Brand

ADATA

Model

SDSP81100TAH-000E0
SDSP81100TAH

Model

ASP920SS3-256GM-C

Release Date

📅 February 2026

Release Date

📅 November 2015

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

User reviews

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User reviews

★★★☆☆

(7 reviews)

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Performance (Charts)

n/a

Performance (Charts)

325th / 1746

Effective Value

-

Effective Value

-

Price history

View Details ►

Price history

View Details ►

Price/GB

$0.35

Price/GB

-

GB/$1

2.86

GB/$1

-

Pros

-

Pros

Strong performance
Marvell 88SS9189 controller

Series

-

Series

Premier Pro SP920

Capacity

1000 GB

Capacity

256 GB

Interface

PCIe Gen4 x4

Interface

SATA 6 Gb/s

NVME

Yes

NVME

No

Form Factor

M.2-2280

Form Factor

2.5"

SSD Controller

-

SSD Controller

Marvell 9189

NAND Flash Type

-

NAND Flash Type

MLC (synchronous)

Max Sequential Read

-

Max Sequential Read

Up to 560 MB/s

Max Sequential Write

-

Max Sequential Write

Up to 360 MB/s

MTBF

-

MTBF

1,200,000 hours

-

Options (1)

A-DATA Premier Pro SP920 128GB

128 GB

Comparison and key differences summary

Reasons to buy the SANDISK Optimus GX PRO 850X 1TB Heatsink:

Newer Product, it was released around 10 years later
More Capacity (+744 GB available)
Newer interface (PCIe Gen4 x4)

Reasons to buy the A-DATA Premier Pro SP920 256GB:

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