SanDisk Optimus GX PRO 850X 4TB NVMe SSD
The SanDisk Optimus GX PRO 850X is a high-performance 4TB NVMe SSD engineered for gamers, content creators, and power users who demand extreme speed. This M.2 2280 internal solid state drive features PCIe 4.0 x4 technology, delivering blazing-fast 7000 MB/s data transfer rates that eliminate loading times and accelerate workflows. Whether you're upgrading your gaming PC, building a workstation, or expanding PS5 storage, this enterprise-grade drive combines raw performance with reliability. Backed by a 5-year limited warranty, it's the ideal choice for professionals and enthusiasts seeking uncompromising speed and capacity.
Key Features
- 7000 MB/s sequential read speed for lightning-fast performance
- 1,200,000 IOPS random 4KB read & 1,100,000 IOPS write capability
- PCIe NVMe 4.0 x4 interface for maximum bandwidth
- M.2 2280 form factor fits all modern motherboards
- PS5 and PS5 Pro console compatible for expanded gaming storage
- 5-year limited warranty for peace of mind
- Advanced thermal management for sustained performance
Technical Specifications
| Specification |
Details |
| Manufacturer |
SanDisk Technologies |
| Part Number |
SDSP81400TAN-000E0 |
| Capacity |
4TB |
| Form Factor |
M.2 2280 |
| Interface |
PCI Express NVMe 4.0 x4 |
| Sequential Read Speed |
7000 MB/s |
| Random 4KB Read (IOPS) |
1,200,000 |
| Random 4KB Write (IOPS) |
1,100,000 |
| Warranty |
5-Year Limited |
| Compatible Platforms |
PC, PS5, PS5 Pro |
Frequently Asked Questions
Is the SanDisk Optimus GX PRO 850X compatible with PS5?
Yes, this NVMe SSD is fully compatible with both PS5 and PS5 Pro consoles, making it an excellent choice for expanding your gaming library storage without sacrificing performance.
What makes this 4TB SSD faster than SATA drives?
The PCIe 4.0 x4 interface delivers up to 7000 MB/s speeds—roughly 14 times faster than traditional SATA SSDs. This eliminates game loading screens and accelerates file transfers dramatically.
Does the SanDisk Optimus GX PRO 850X work with older motherboards?
This drive requires an M.2 NVMe slot with PCIe 4.0 support. Most modern motherboards (2020+) support it, but verify your system specifications before purchasing.
What is the warranty coverage for this high-performance SSD?
SanDisk backs this M.2 2280 solid state drive with a comprehensive 5-year limited warranty, protecting your investment against manufacturing defects.