SANDISK Optimus GX PRO 850X 1TB Heatsink vs Silicon Power Ace A55 512GB SU512GBSS3A55M28NE SSD Comparison

SANDISK Optimus GX PRO 850X 1TB Heatsink and Silicon Power Ace A55 512GB SU512GBSS3A55M28NE are both solid state drives with the same Form Factor (M.2-2280). The main differences are in Capacity, Interface and NVME.

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SANDISK Optimus GX PRO 850X 1TB Heatsink	Silicon Power Ace A55 512GB SU512GBSS3A55M28NE
Prices (Change region) In Stock Free shipping $349.99 In Stock Free shipping $349.99	Prices (Change region) Out of Stock Free shipping $20.99 Out of Stock Free shipping $30.99 - Buy now
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Brand SanDisk	Brand Silicon Power
Model SDSP81100TAH-000E0 SDSP81100TAH	Model SU512GBSS3A55M28NE
Release Date 📅 February 2026	Release Date -
* First availability for purchase, it may not correspond to the actual market launch date.
User reviews Add a product review	User reviews ★★★★☆ (49 reviews) Add a product review
Price history View Details ►	Price history View Details ►
Price/GB $0.35	Price/GB $0.04
GB/$1 2.86	GB/$1 24.39
Series -	Series Ace A55
Capacity 1000 GB	Capacity 512 GB
Interface PCIe Gen4 x4	Interface SATA 6 Gb/s
NVME Yes	NVME No
Form Factor M.2-2280	Form Factor M.2-2280
NAND Flash Type -	NAND Flash Type 3D NAND
MTBF -	MTBF 1,500,000 hours