SANDISK Optimus GX PRO 850X 8TB Heatsink vs Western Digital WD Blue 4TB WDBNCE0040PNC-WRSN SSD Comparison

The main differences between SANDISK Optimus GX PRO 850X 8TB Heatsink and Western Digital WD Blue 4TB WDBNCE0040PNC-WRSN are in Capacity, Interface, NVME and Form Factor.

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SANDISK Optimus GX PRO 850X 8TB Heatsink	Western Digital WD Blue 4TB WDBNCE0040PNC-WRSN
Prices (Change region) In Stock Free shipping $2,699.99	Prices (Change region) There are no offers available in your selected region. Other merchants are available in another region. Out of Stock Free shipping €729.00
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Brand SanDisk	Brand Western Digital
Model SDSP81800TAH-000E0 SDSP81800TAH	Model WDBNCE0040PNC-WRSN
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 Add a product review
Price history View Details ►	Price history View Details ►
Price/GB $0.34	Price/GB -
GB/$1 2.96	GB/$1 -
Capacity 8000 GB	Capacity 4000 GB
Interface PCIe Gen4 x4	Interface SATA 6 Gb/s
NVME Yes	NVME No
Form Factor M.2-2280	Form Factor 2.5"