SanDisk Optimus GX PRO 850X NVMe SSD 1TB/2TB PCIe 4.0 M.2
SanDisk Optimus GX PRO 850X NVMe SSD 1TB/2TB PCIe 4.0 M.2
SanDisk Optimus GX PRO 850X NVMe M.2 Internal SSD — Built for Gamers & Creators
Take your gaming rig and creative workstation to the next level with the SanDisk Optimus GX PRO 850X NVMe M.2 Internal SSD. Engineered with PCIe Gen 4.0 x4 technology, this high-performance drive delivers blazing-fast sequential read and write speeds of up to 7,300 / 6,600 MB/s — so your games load in seconds and your creative projects fly through rendering and export.
Made in Mainland China.
Why Choose the SanDisk Optimus GX PRO 850X?
- Ultra-Fast PCIe 4.0 x4 Performance: Sequential Read/Write speeds up to 7,300/6,600 MB/s deliver near-instant level loads and rapid file transfers for demanding games and large media files.
- Seamless Multitasking: Random Read/Write speeds up to 1.2M/1.2M IOPS combined with integrated SanDisk nCache 4.0 technology keep gameplay smooth and workflows uninterrupted.
- Massive Storage Freedom: Available in 1TB and 2TB capacities built with trusted SanDisk BiCS TLC 3D NAND — stop juggling uninstalls and keep all your games and assets ready to go.
- Microsoft DirectStorage Ready: Fully supports DirectStorage for next-generation gaming experiences with faster asset streaming directly to your GPU.
- Built-In Data Encryption: TCG Opal v2.01 data-at-rest encryption helps protect your projects, saves, and sensitive digital assets.
- Exceptional Endurance: Rated up to 1,200 TBW, this drive is engineered to handle intensive daily workloads over the long haul.
- SanDisk Dashboard Software: Manage, monitor, and optimize your drive with the free SanDisk Dashboard app (Windows). Enable Game Mode with a single click for a tuned gaming experience.
Technical Specifications
| Interface | PCIe 4.0 x4, NVMe |
| Form Factor | M.2 2280 |
| Max Sequential Read | 7,300 MB/s |
| Max Sequential Write | 6,600 MB/s |
| Random IOPS (R/W) | Up to 1.2M / 1.2M |
| NAND Type | BiCS TLC 3D NAND |
| Controller | SN850X |
| Endurance (TBW) | 1,200 TBW |
| Encryption | TCG Opal v2.01 |
| Compatible Devices | Desktop, Laptop |
| RGB | No |
| Cooling Fin | No |
Perfect For
- High-performance gaming PCs and creator workstations
- Laptops with M.2 PCIe 4.0 slots
- Video editing, 3D rendering, and large file management
- Upgrading a slow HDD or older SSD for a dramatic speed boost
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Frequently Asked Questions
Q: Is the SanDisk Optimus GX PRO 850X NVMe SSD compatible with both desktops and laptops?
A: Yes. The SanDisk Optimus GX PRO 850X uses the standard M.2 2280 form factor with a PCIe 4.0 x4 NVMe interface, making it compatible with most modern desktops and laptops that feature an M.2 PCIe 4.0 slot. It is also backward compatible with PCIe 3.0 slots, though speeds will be limited to PCIe 3.0 performance in that configuration.
Q: Does the SanDisk Optimus GX PRO 850X support Microsoft DirectStorage?
A: Yes. This NVMe SSD fully supports Microsoft DirectStorage, allowing compatible games to stream assets directly to your GPU for dramatically reduced load times and enhanced in-game performance on Windows 11 and supported Windows 10 systems.
Q: What software comes with the SanDisk Optimus GX PRO 850X?
A: The drive is compatible with the free SanDisk Dashboard application (available for Windows). The app lets you monitor drive health, manage firmware updates, and activate Game Mode — a feature designed to optimize the drive's performance profile specifically for gaming workloads.
Q: Does this SSD include a heatsink or cooling fin?
A: No, the SanDisk Optimus GX PRO 850X does not include a built-in heatsink or cooling fin. If your motherboard does not have an integrated M.2 heatsink, you may wish to use a third-party M.2 heatsink to maintain optimal thermal performance during extended sessions.
Production & Packaging Notice
To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.