SANDISK Optimus GX PRO 850X 4TB vs Samsung PM893 7.68TB SSD Comparison

The main differences between SANDISK Optimus GX PRO 850X 4TB and Samsung PM893 7.68TB are in Capacity, Interface, NVME and Form Factor.

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SANDISK Optimus GX PRO 850X 4TB	Samsung PM893 7.68TB
Prices (Change region) In Stock $999.99 In Stock $1,329.99 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 $4,595.00
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Brand SanDisk	Brand Samsung
Model SDSP81400TAN-000E0 SDSP81400TAN	Model MZ-7L37T600
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 ★★★☆☆ (3 reviews) Add a product review
Price history View Details ►	Price history View Details ►
Price/GB $0.25	Price/GB $0.60
GB/$1 4	GB/$1 1.67
Series Optimus GX PRO 850X	Series -
Capacity 4000 GB	Capacity 7680 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 Samsung Metis
NAND Flash Type 3D NAND TLC	NAND Flash Type V-NAND TLC
Cache -	Cache Samsung Low Power SDRAM
Max Sequential Read Up to 7300 MB/s	Max Sequential Read Up to 550 MB/s
Max Sequential Write Up to 6600 MB/s	Max Sequential Write Up to 520 MB/s
MTBF 1,750,000 hours	MTBF 2,000,000 hours