SANDISK Optimus GX PRO 850X
NVMe SSD with Heatsink
Power gaming and creative workflows with the
SANDISK Optimus GX PRO 850X NVMe SSD with
Heatsink. Help eliminate lag with PCIe 4.0 Sequential
Read/Write speeds up to 7,300/6,600MB/s(1)(2TB and
4TB models(2)). Integrated SANDISK Optimus heatsink
minimizes throttle. Work seamlessly with Random
Read/Write speeds up to 1.2M/1.2M IOPS(1) (8TB
model(2)) and integrated SANDISK nCache 4.0
technology. Enjoy up to 8TB(2) on M.2 2280 built with
SANDISK BiCS TLC 3D NAND, and an endurance rating
of up to 4,800TBW(3) (8TB model(2)). Protect projects
with TCG Opal v2.01 data-at-rest encryption(4) and
Microsoft DirectStorage support. Ideal for gaming PCs,
creator PCs, and laptops.
At a Glance:
Sequential Read/Write
speeds up to
7,300/6,600MB/s(1)
(2TB and 4TB
models(2))
Random Read/Write speeds up to
1.2M/1.2M IOPS(1)
(8TB model(2))
Capacities up to 8TB(2)
and trusted SANDISK
BiCS TLC 3D NAND
Up to 4,800TBW(3)(8TB model(2))
endurance rating
Integrated heatsink for
peak performance
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.
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).
Heatsink for cool operation and
blazing speeds
Enjoy sustained high performance
through intense workloads with the
integrated heatsink.
Do more with SANDISK software
The SANDISK Dashboard(5) (Windows
only) keeps your drive up to date and
monitors its health.
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.
(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.