SANDISK Optimus GX PRO 850X 4TB vs ADATA ASP600S3-128GM-C SSD Comparison

The main differences between SANDISK Optimus GX PRO 850X 4TB and ADATA ASP600S3-128GM-C are in Capacity, Interface, NVME and Form Factor.

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SANDISK Optimus GX PRO 850X 4TB	ADATA ASP600S3-128GM-C
Prices (Change region) In Stock $999.99 In Stock $1,329.99 In Stock Free shipping $1,329.99 In Stock Free shipping $1,329.99 Out of Stock Free shipping $1,517.50 Show 2 more offers	Prices (Change region) - Buy now
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Brand SanDisk	Brand ADATA
Model SDSP81400TAN-000E0 SDSP81400TAN	Model ASP600S3-128GM-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 Add a product review	User reviews ★★★★☆ (219 reviews) Add a product review
Price history View Details ►	Price history View Details ►
Price/GB $0.25	Price/GB -
GB/$1 4	GB/$1 -
Series Optimus GX PRO 850X	Series Premier SP600
Capacity 4000 GB	Capacity 128 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 JMicron JMF661
NAND Flash Type 3D NAND TLC	NAND Flash Type MLC (synchronous)
Max Sequential Read Up to 7300 MB/s	Max Sequential Read Up to 540 MB/s (ATTO) Up to 500 MB/s (AS-SSD)
Max Sequential Write Up to 6600 MB/s	Max Sequential Write Up to 150 MB/s (ATTO) Up to 140 MB/s (AS-SSD)
MTBF 1,750,000 hours	MTBF 1,000,000 hours