SANDISK Optimus GX PRO 850X 4TB vs PNY CS2150 2TB SSD Comparison

SANDISK Optimus GX PRO 850X 4TB and PNY CS2150 2TB are both solid state drives with the same Form Factor (M.2-2280). The main differences are in Capacity, Interface, NAND Flash Type and Max Sequential Read.

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SANDISK Optimus GX PRO 850X 4TB	PNY CS2150 2TB
Prices (Change region) In Stock $999.99 In Stock $999.99 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) In Stock Free shipping $399.00 In Stock Free shipping $399.99
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Brand SanDisk	Brand PNY
Model SDSP81400TAN-000E0 SDSP81400TAN	Model M280CS2150-2TB-TB
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 ★★★★☆ (6 reviews) Add a product review
Price history View Details ►	Price history View Details ►
Price/GB $0.25	Price/GB $0.20
GB/$1 4	GB/$1 5.01
Series Optimus GX PRO 850X	Series CS2150
Capacity 4000 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
Max Sequential Read Up to 7300 MB/s	Max Sequential Read Up to 10,300 MB/s
Max Sequential Write Up to 6600 MB/s	Max Sequential Write Up to 8,600 MB/s
MTBF 1,750,000 hours	MTBF 1,500,000 hours