A-DATA Premier Pro SP920 128GB vs SANDISK Optimus GX PRO 850X 8TB Heatsink SSD Comparison

The main differences between A-DATA Premier Pro SP920 128GB and SANDISK Optimus GX PRO 850X 8TB Heatsink are in Capacity, Interface, NVME and Form Factor.

Save comparison

A-DATA Premier Pro SP920 128GB

SANDISK Optimus GX PRO 850X 8TB Heatsink

Prices
(Change region)

Buy now

Prices
(Change region)

In Stock

Free shipping

$2,699.99

* Pangoly may earn a commission when you use one of the links to make a purchase. (Disclosure)

* Product prices and availability are subject to change frequently. Any price and availability information displayed on Amazon at the time of purchase will apply.

Pangoly Score (How do we rate?)

Brand

ADATA

Brand

SanDisk

Model

ASP920SS3-128GM-C

Model

SDSP81800TAH-000E0
SDSP81800TAH

Release Date

📅 November 2015

Release Date

📅 February 2026

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

User reviews

★★★☆☆

(7 reviews)

Add a product review

User reviews

Add a product review

Performance (Charts)

355th / 1746

Performance (Charts)

n/a

Effective Value

Price history

View Details ►

Price history

View Details ►

Price/GB

$0.34

GB/$1

2.96

Pros

Marvell 88SS9189 controller
Good reading performance

Pros

Cons

The 128GB version has limited writing speed

Cons

Series

Premier Pro SP920

Series

Capacity

128 GB

Capacity

8000 GB

Interface

SATA 6 Gb/s

Interface

PCIe Gen4 x4

NVME

Yes

Form Factor

2.5"

Form Factor

M.2-2280

SSD Controller

Marvell 9189

SSD Controller

NAND Flash Type

MLC (synchronous)

NAND Flash Type

Max Sequential Read

Up to 560 MB/s

Max Sequential Read

Max Sequential Write

Up to 180 MB/s

Max Sequential Write

MTBF

1,200,000 hours

MTBF

Options (7)

	1TB PCIe M.2 2280 3x4 $94.99
	240GB PCIe M.2 2280 3x2 $178.01
	256GB PCIe M.2 2280 3x4 $30.27
	480GB SATA 2.5 3D $102.60
	480GB PCIe M.2 2280 3x2 $396.80
	512GB PCIe M.2 2280 3x4 $49.99
	960GB SATA 2.5 3D $245.02