SANDISK Optimus GX PRO 850X 4TB vs Mushkin Element 4TB SSD Comparison

SANDISK Optimus GX PRO 850X 4TB and Mushkin Element 4TB are both solid state drives with the same Capacity (4000 GB). The main differences are in Interface, NVME and Form Factor.

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SANDISK Optimus GX PRO 850X 4TB	Mushkin Element 4TB
Prices (Change region) In Stock $1,329.99 In Stock Free shipping $1,329.99 In Stock $1,329.99 In Stock Free shipping $1,329.99 In Stock Free shipping $1,517.50 Show 2 more offers	Prices (Change region) Out of Stock Free shipping $188.99 Out of Stock Free shipping $228.55 - Buy now
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Brand SanDisk	Brand Mushkin
Model SDSP81400TAN-000E0 SDSP81400TAN	Model MKNSSDEL4TB
Release Date 📅 February 2026	Release Date 📅 February 2023
* 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 $0.33	Price/GB $0.05
GB/$1 3.01	GB/$1 21.17
Series -	Series Element
Capacity 4000 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"
SSD Controller -	SSD Controller Silicon Motion
NAND Flash Type -	NAND Flash Type 3D NAND
Max Sequential Read -	Max Sequential Read Up to 500 MB/s
Max Sequential Write -	Max Sequential Write Up to 435 MB/s
MTBF -	MTBF 1,500,000 hours