Sandisk Optimus GX PRO 8TB 850X NVMe SSD Internal Solid State Drive - Gen4 PCIe, M.2 2280, Up to 7,200 MB/s Read Speed - SDSP81800TAN

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From the manufacturer

Dominate your game session and creative projects
Game and work at elite level with PCIe 4.0 Sequential Read/Write speeds up to 7,300/6,600MB/s(1) (2TB and 4TB models(2)).

Stay in the game
Random Read/Write speeds up to 1.2M/1.2M IOPS(1) (8TB model(2)) and integrated SANDISK nCache 4.0 technology.
The video showcases the product in use.The video guides you through product setup.The video compares multiple products.The video shows the product being unpacked.
850X product video

No need to delete
Room for more with capacities up to 8TB(2) powered by trusted SANDISK BiCS TLC 3D NAND on M.2 2280.

Designed with the creator in mind
Up to a 4,800TBW(3) (8TB model(2)) endurance rating and support for TCG Opal v2.01 data-at-rest encryption(4).

Do more with SANDISK software
The SANDISK Dashboard(5) (Windows only) keeps your drive up to date and monitors its health.
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Customer Reviews
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3.5 out of 5 stars 11
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4.2 out of 5 stars 31
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4.5 out of 5 stars 61
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4.9 out of 5 stars 60
Price
$999.99$999.99 $1,079.99$1,079.99 $869.99$869.99 $599.99$599.99
Interface
PCIe 4.0 x4 PCIe 5.0 x4 PCIe 4.0 x4 PCIe 4.0 x4
Read Speed(1
Up to 7,300MB/s(1-4TB models) Up to 14,900MB/s Up to 7,250MB/s(1-2TB models) Up to 7,100MB/s(1-4TB models)
Random Write Speeds(1)
Up to 1.2M IOPS(2-4TB models) Up to 2.4M IOPS Up to 1.4M IOPS(1-2TB models) Up to 1.3M IOPS(1-2TB models)
Capacities(2)
Up to 8TB Up to 8TB Up to 4TB Up to 4TB
Endurance(3)
Up to 4,800TBW(8TB model) Up to 4,800TBW(8TB model) Up to 2,400TBW(4TB model) Up to 2,400TBW(4TB model)
Legal Disclaimers
(1) 1MB/s = 1 million bytes per second. IOPS = input/output operations per second. Based on internal testing; performance may vary depending upon host device, usage conditions, drive capacity, and other factors.
(2) 1GB = 1 billion bytes and 1TB = 1 trillion bytes. Actual user capacity may be less depending on operating environment.
(3) TBW (terabytes written) values calculated using JEDEC client workload (JESD219) and vary by product capacity.
(4) Check system BIOS for support or 3rd party software required to enable.
(5) Available for download; see the Sandisk website for more details.
SANDISK, the SANDISK logo, SANDISK Optimus, and nCache are registered marks or marks of Sandisk Corporation or its affiliates in the U.S. and/or other countries. Acronis and True Image are registered marks of Acronis International GmbH in the United States and other countries. The NVMe word mark is a mark of NVM Express, Inc. PCIe is a registered mark of PCI-SIG. Windows, Microsoft and DirectStorage are registered marks of the Microsoft group of companies. All other marks are the property of their respective owners. Product specifications subject to change without notice. Pictures shown may vary from actual products.
2026 Sandisk Corporation or its affiliates. All rights reserved.
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From the brand
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Optimus GX Pro

Optimus GX

Product Description
Champion your gaming sessions and creative workflows with the SANDISK Optimus GX PRO 850X NVMe SSD. Load levels fast and push through your creative workflow with PCIe 4.0 Sequential Read/Write speeds up to 7,300/6,600 MB/s[2] (2TB[1] and 4TB[1] models). With Random Read/Write speeds up to 1.2M/1.2M IOPS[2] (8TB[1] model) and integrated SANDISK nCache 4.0 technology, experience seamless game sessions and smooth multitasking. Store your large games and digital assets with capacities up to 8TB[1] on M.2 2280 built with trusted SANDISK BiCS TLC 3D NAND. Engineered for video editing with an endurance rating of up to 4,800 TBW[3] (8TB[1] model). Help protect your projects and data with TCG Opal v2.01 data-at-rest encryption[4]. With Microsoft DirectStorage support, you’re ready for future games. Ideal for gaming PCs, creator PCs, and laptops.
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