SanDisk Optimus GX PRO 850X 4 TB

This is a 4000GB M.2 2280 SSD on the NVMe Gen4 interface. Sequential throughput reaches 7000 MB/s reads and 5000 MB/s writes. NVMe drives this fast mainly shine in game-load times and large file moves; everyday snappiness is similar across the tier. PlanMyPC's builder flags compatibility problems automatically and tracks the latest drive deals from multiple stores.

SanDisk backs the product through its standard warranty channels; check the listing for region-specific terms. Every published spec is tabulated below, and compatibility against your current part list is checked automatically. The category page surfaces comparable models near the same price, which makes shortlisting against this drive straightforward.