SANDISK Optimus GX PRO 850X 4TB vs Samsung 750 EVO 500GB SSD Comparison

The main differences between SANDISK Optimus GX PRO 850X 4TB and Samsung 750 EVO 500GB are in Capacity, Interface, NVME and Form Factor.

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SANDISK Optimus GX PRO 850X 4TB	Samsung 750 EVO 500GB
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 $149.99 - Buy now
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Pangoly Score (How do we rate?) -	Pangoly Score (How do we rate?) 86
Brand SanDisk	Brand Samsung
Model SDSP81400TAN-000E0 SDSP81400TAN	Model MZ-750500BW
Release Date 📅 February 2026	Release Date 📅 June 2016
* First availability for purchase, it may not correspond to the actual market launch date.
User reviews Add a product review	User reviews ★★★★☆ (83 reviews) Add a product review
Performance (Charts) n/a	Performance (Charts) 228th / 1746
Effective Value -	Effective Value 242nd / 336
Price history View Details ►	Price history View Details ►
Price/GB $0.33	Price/GB $0.30
GB/$1 3.01	GB/$1 3.33
Series -	Series 750 EVO
Capacity 4000 GB	Capacity 500 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 MGX
NAND Flash Type -	NAND Flash Type Samsung 16nm TLC
Cache -	Cache 512MB
Max Sequential Read -	Max Sequential Read Up to 540 MB/s
Max Sequential Write -	Max Sequential Write Up to 520 MB/s
MTBF -	MTBF 1,500,000 hours