SANDISK Optimus GX PRO 850X 8TB

Written analysis

SANDISK Optimus GX PRO 850X 8TB at a glance

The SANDISK Optimus GX PRO 850X 8TB is a 8000 GB M.2 2280 SSD using PCIe 4.0 x4, NVMe 1.4. The controller is SanDisk 20-82-20035-B1. Flash type is TLC 162-layer. Cache is listed as DDR4-3200.

Rated sequential throughput is 7200 MB/s read and 6600 MB/s write. Random throughput is 1200K read IOPS and 1200K write IOPS. The calculated specification score is 78.1.

Best fit: Mainstream desktop and laptop upgrades balancing speed, capacity, and cost.

Endurance and thermals

Rated endurance is 4800 TBW, or approximately 600 TBW per TB of capacity. The listed warranty is 5 years.

Current value

At $2000, the drive costs $250.00 per TB. Performance / price is 5.9 and capacity value is 46.9. Compare these values with nearby drives below; interface generation and headline speed alone do not determine value.