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Compare ADATA Premier SP550 960GB vs SANDISK Optimus GX PRO 850X 8TB Heatsink

The main differences between ADATA Premier SP550 960GB and SANDISK Optimus GX PRO 850X 8TB Heatsink are in Capacity, Interface, NVME and Form Factor.

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ADATA Premier SP550 960GB

SANDISK Optimus GX PRO 850X 8TB Heatsink

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Prices
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Brand

ADATA

Brand

SanDisk

Model

ASP550SS3-960GM-C

Model

SDSP81800TAH-000E0
SDSP81800TAH

Release Date

📅 November 2018

Release Date

📅 February 2026

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

User reviews

★★★★☆

(28 reviews)

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User reviews

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Performance (Charts)

311th / 1746

Performance (Charts)

n/a

Effective Value

-

Effective Value

-

Price history

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Price history

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Price/GB

-

Price/GB

$0.34

GB/$1

-

GB/$1

2.96

Series

Premier SP550

Series

-

Capacity

960 GB

Capacity

8000 GB

Interface

SATA 6 Gb/s

Interface

PCIe Gen4 x4

NVME

No

NVME

Yes

Form Factor

2.5"

Form Factor

M.2-2280

SSD Controller

Silicon Motion

SSD Controller

-

NAND Flash Type

TLC

NAND Flash Type

-

Max Sequential Read

Up to 520 MB/s

Max Sequential Read

-

Max Sequential Write

Up to 490 MB/s

Max Sequential Write

-

MTBF

1,500,000 hours

MTBF

-

Options (5)

	256GB 3D NAND $44.24
	1TB 3D NAND $89.99
	512GB 3D NAND $51.91
	480 GB 2D NAND
	240 GB 2D NAND

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Comparison and key differences summary

Reasons to buy the ADATA Premier SP550 960GB:

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

Newer Product, it was released around 7 years later
More Capacity (+7040 GB available)
Newer interface (PCIe Gen4 x4)

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