ADATA XPG MARS 980 BLADE 1TB vs SANDISK Optimus GX PRO 850X 1TB SSD Comparison

ADATA XPG MARS 980 BLADE 1TB and SANDISK Optimus GX PRO 850X 1TB are both solid state drives with the same Capacity (1000 GB) and Form Factor (M.2-2280). The main differences are in Interface, NAND Flash Type, Max Sequential Read and Max Sequential Write.

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ADATA XPG MARS 980 BLADE 1TB	SANDISK Optimus GX PRO 850X 1TB
Prices (Change region) In Stock $179.99 In Stock Free shipping $179.99	Prices (Change region) In Stock $294.99 In Stock Free shipping $294.99 In Stock $294.99 In Stock Free shipping $294.99 In Stock Free shipping $329.99 Show 2 more offers
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Brand ADATA	Brand SanDisk
Model SMAR-980B-1TCS	Model SDSP81100TAN-000E0 SDSP81100TAN
Release Date -	Release Date 📅 February 2026
* First availability for purchase, it may not correspond to the actual market launch date.
User reviews ★★★★☆ (6 reviews) Add a product review	User reviews Add a product review
Price history View Details ►	Price history View Details ►
Price/GB $0.18	Price/GB $0.29
GB/$1 5.56	GB/$1 3.39
Series BLADE	Series Optimus GX PRO 850X
Capacity 1000 GB	Capacity 1000 GB
Interface PCIe Gen5 x4	Interface PCIe Gen4 x4
NVME Yes	NVME Yes
Form Factor M.2-2280	Form Factor M.2-2280
SSD Controller SMI SM2508	SSD Controller -
NAND Flash Type 3D NAND	NAND Flash Type 3D NAND TLC
Max Sequential Read Up to 14000 MB/s	Max Sequential Read Up to 7300 MB/s
Max Sequential Write Up to 10000 MB/s	Max Sequential Write Up to 6300 MB/s
MTBF -	MTBF 1,750,000 hours