SANDISK Optimus GX PRO 850X 1TB Heatsink vs Optimus GX PRO 8100 2TB SSD Comparison

SANDISK Optimus GX PRO 850X 1TB Heatsink and SANDISK Optimus GX PRO 8100 2TB are both solid state drives with the same Form Factor (M.2-2280), NAND Flash Type (3D NAND TLC) and MTBF (1,750,000 hours). The main differences are in Capacity, Interface, Max Sequential Read and Max Sequential Write.

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SANDISK Optimus GX PRO 850X 1TB Heatsink	SANDISK Optimus GX PRO 8100 2TB
Prices (Change region) In Stock $349.99 In Stock Free shipping $349.99 Out of Stock Free shipping $349.99 Out of Stock Free shipping $411.09 Show 1 more offers	Prices (Change region) In Stock Prime Exclusive $589.99 Last updated 11 minutes ago. In Stock $699.99 In Stock Free shipping $699.99 In Stock Free shipping $699.99 Show 1 more offers
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Brand SanDisk	Brand SanDisk
Model SDSP81100TAH-000E0 SDSP81100TAH	Model SDSP82200TAN-000E0 SDSP82200TAN
Release Date 📅 February 2026	Release Date 📅 February 2026
* First availability for purchase, it may not correspond to the actual market launch date.
User reviews Add a product review	User reviews Add a product review
Price history View Details ►	Price history View Details ►
Price/GB $0.35	Price/GB $0.29
GB/$1 2.86	GB/$1 3.39
Series Optimus GX PRO 850X	Series Optimus GX PRO 8100
Capacity 1000 GB	Capacity 2000 GB
Interface PCIe Gen4 x4	Interface PCIe Gen5 x4
NVME Yes	NVME Yes
Form Factor M.2-2280	Form Factor M.2-2280
NAND Flash Type 3D NAND TLC	NAND Flash Type 3D NAND TLC
Cache No DRAM (SLC)	Cache -
Max Sequential Read Up to 7300 MB/s	Max Sequential Read Up to 14900 MB/s
Max Sequential Write Up to 6300 MB/s	Max Sequential Write Up to 14000 MB/s
MTBF 1,750,000 hours	MTBF 1,750,000 hours