SANDISK Optimus 5100 2TB vs A-DATA Premier Pro SP920 256GB SSD Comparison

The main differences between SANDISK Optimus 5100 2TB and A-DATA Premier Pro SP920 256GB are in Capacity, Interface, NVME and Form Factor.

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SANDISK Optimus 5100 2TB	A-DATA Premier Pro SP920 256GB
Prices (Change region) In Stock Free shipping $349.99 Out of Stock $349.99 Out of Stock Free shipping $429.97	Prices (Change region) - Buy now
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Pangoly Score (How do we rate?) -	Pangoly Score (How do we rate?) 88
Brand SanDisk	Brand ADATA
Model SDSP51200TAN-000E0 SDSP51200TAN	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 Add a product review	User reviews ★★★☆☆ (7 reviews) Add a product review
Performance (Charts) n/a	Performance (Charts) 325th / 1746
Effective Value -	Effective Value -
Price history View Details ►	Price history View Details ►
Price/GB $0.17	Price/GB -
GB/$1 5.71	GB/$1 -
Pros -	Pros Strong performance Marvell 88SS9189 controller
Series -	Series Premier Pro SP920
Capacity 2000 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