Elite performance for champions.
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 (2TB and 4TB models). With Random Read/Write speeds up to 1.2M/1.2M IOPS2 (8TB model) and integrated SANDISK nCache™ 4.0 technology, experience seamless game sessions and smooth multitasking. Integrated SANDISK Optimus heatsink helps your drive minimize throttle for those intense game or work sessions. Store your large games and digital assets with capacities up to 8TB 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 TBW3 (8TB model). Help protect your projects and data with TCG Opal v2.0 data-at-rest encryption. With Microsoft® DirectStorage support, you're ready for future games. Ideal for gaming PCs, creator PCs, and laptops.
Dominate your game session and creative projects
Load levels fast and push through your creative workflow with PCIe® 4.0 Sequential Read/Write speeds up to 7,300/6,600 MB/s2 (2TB and 4TB models). This SSD is ready for anything from blazing fast video editing to intense gaming sessions.
Stay in the game
With Random Read/Write speeds up to 1.2M/1.2M IOPS2 (8TB model) and integrated SANDISK nCache™ 4.0 technology, experience seamless game sessions and smooth multitasking. Get ready for future games supporting Microsoft® DirectStorage.
No need to delete
Stop deleting to make room for more games and applications. With capacities up to 8TB powered by trusted SANDISK BiCS TLC 3D NAND on M.2 2280, you'll have room for more.
Designed with the creator in mind
Up to a 4,800 TBW3 (8TB model) endurance rating means your drive stays by your side through rigorous content creation workflows. You can also help protect your digital assets with TCG Opal v2.01 data-at-rest encryption.
You can do more with SANDISK software
The downloadable SANDISK Dashboard application5 (Windows® only) keeps your drive up to date, monitors its health, and enables Game Mode to transform your gaming experience. Plus, Acronis® True Image™ for SANDISK software6 helps you migrate to your new drive.
Rest easy
Your hard work is covered with our Sandisk's 5-year limited warranty for peace of mind.
Heatsink for cool operation and blazing speeds
Enjoy sustained high performance thanks to the integrated heatsink that's not only eye-catching, but also helps your rig maintain peak performance through intense workloads. Compatible with PS5® and PS5® Pro consoles.
- With 8 TB capacity, you have ample space to store a vast number of images, extensive hours of video, or a large collection of songs
- Power and energy-efficient design ensures maximum reliability for your SSD
- PCI Express NVMe 4.0 x4 interfacefacilitates speedy data transfer, ensuring maximum efficiency
- M.2 2280 form factor ensures consistent performance, making it ideal for users who need dependable storage solutions in demanding environments
- Ensures fast and dependableaccess to data with non-volatile memory, maintaining consistent performance and reliability
- Solid State Drive offers a cost-effective storage solution for your PC
| Brand | |
|---|---|
| Brand | Western Digital Corporation |
| Storage | |
|---|---|
| Storage Capacity | 8 TB |
| Drive Type | Internal |
| Drive Interface | PCI Express NVMe |
| Drive Interface Standard | PCI Express NVMe 4.0 x4 |
| Endurance (TBW) | 4800 TB |
| Random 4KB Read | 1200000IOPS |
| Random 4KB Write | 1200000IOPS |
| Maximum Sequential Read | 7.03 GB/s |
| Maximum Sequential Write | 6.45 GB/s |
| Size / Dimensions | |
|---|---|
| Form Factor | M.2 2280 |
| General Features | |
|---|---|
| Manufacturer | Western Digital Corporation |



















