WD_BLACK 4TB AN1500 vs SANDISK Optimus GX PRO 850X 1TB SSD Comparison

WD_BLACK 4TB AN1500 and SANDISK Optimus GX PRO 850X 1TB are both solid state drives with the same Capacity (1000 GB). The main differences are in Interface and Form Factor.

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WD_BLACK 4TB AN1500	SANDISK Optimus GX PRO 850X 1TB
Prices (Change region) Out of Stock $139.99 Out of Stock Free shipping $172.99 Out of Stock Free shipping $249.99 Out of Stock Free shipping $910.99 - Buy now Show 2 more offers	Prices (Change region) In Stock $329.99 In Stock Free shipping $329.99 In Stock Free shipping $329.99 Out of Stock $329.99 Out of Stock Free shipping $387.88 Show 2 more offers
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Brand Western Digital	Brand SanDisk
Model WDS100T1X0L-00AUJ0 WDS100T1X0L	Model SDSP81100TAN-000E0 SDSP81100TAN
Release Date 📅 October 2020	Release Date 📅 February 2026
* First availability for purchase, it may not correspond to the actual market launch date.
User reviews ★★★★☆ (15 reviews) Add a product review	User reviews Add a product review
Price history View Details ►	Price history View Details ►
Price/GB $0.14	Price/GB $0.33
GB/$1 7.14	GB/$1 3.03
Series BLACK AN1500 NVMe	Series -
Capacity 1000 GB	Capacity 1000 GB
Interface PCIe Gen3 x8	Interface PCIe Gen4 x4
NVME Yes	NVME Yes
Form Factor PCIe	Form Factor M.2-2280
Max Sequential Read Up to 6500 MB/s	Max Sequential Read -
Max Sequential Write Up to 4100 MB/s	Max Sequential Write -
MTBF 1.75M hours	MTBF -
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