SanDisk Optimus GX 7100 4TB

Written analysis

SanDisk Optimus GX 7100 4TB at a glance

The SanDisk Optimus GX 7100 4TB is a 4000 GB M.2 2280 SSD using PCIe 4.0 x4, NVMe 2.0. The controller is SanDisk Polaris 3. Flash type is 3D TLC NAND (BiCS8). Cache is listed as Host-Memory-Buffer (HMB).

Rated sequential throughput is 7000 MB/s read and 6900 MB/s write. Random throughput is 1000K read IOPS and 1400K write IOPS. The calculated specification score is 71.7.

Best fit: General storage workloads where compatibility and price matter more than peak transfer rates.

Endurance and thermals

Rated endurance is 2400 TBW, or approximately 600 TBW per TB of capacity. The listed warranty is 5 years.

Current value

At $870, the drive costs $217.50 per TB. Performance / price is 12.4 and capacity value is 49.5. Compare these values with nearby drives below; interface generation and headline speed alone do not determine value.