SANDISK Optimus GX PRO 850X 1TB vs Mushkin Enhanced Delta 1TB SSD Comparison

SANDISK Optimus GX PRO 850X 1TB and Mushkin Enhanced Delta 1TB are both solid state drives with the same Capacity (1000 GB), Interface (PCIe Gen4 x4) and Form Factor (M.2-2280). The main differences are in NAND Flash Type, Max Sequential Read, Max Sequential Write and MTBF.

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SANDISK Optimus GX PRO 850X 1TB	Mushkin Enhanced Delta 1TB
Prices (Change region) In Stock Free shipping $294.99 In Stock $294.99 In Stock Free shipping $294.99 In Stock Free shipping $294.99 In Stock $329.99 Show 2 more offers	Prices (Change region) Out of Stock Free shipping $127.99
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Brand SanDisk	Brand Mushkin
Model SDSP81100TAN-000E0 SDSP81100TAN	Model MKNSSDDE1TB-D8
Release Date 📅 February 2026	Release Date 📅 March 2021
* 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 $0.29	Price/GB $0.13
GB/$1 3.39	GB/$1 7.81
Series Optimus GX PRO 850X	Series Delta
Capacity 1000 GB	Capacity 1000 GB
Interface PCIe Gen4 x4	Interface PCIe Gen4 x4
NVME Yes	NVME Yes
Form Factor M.2-2280	Form Factor M.2-2280
SSD Controller -	SSD Controller Phison E16
NAND Flash Type 3D NAND TLC	NAND Flash Type 3D QLC
Cache -	Cache 0MB
Max Sequential Read Up to 7300 MB/s	Max Sequential Read Up to 4700 MB/s
Max Sequential Write Up to 6300 MB/s	Max Sequential Write Up to 2100 MB/s
MTBF 1,750,000 hours	MTBF 1,800,000 hours