KingSpec NX Series 4TB Gen3x4

Written analysis

KingSpec NX Series 4TB Gen3x4 at a glance

The KingSpec NX Series 4TB Gen3x4 is a 4000 GB M.2 2280 SSD using PCIe 3.0 x4, NVMe 1.3. The controller is Maxio MAP1202 / Silicon Motion SM2263XT. Flash type is TLC 96-layer. Cache is listed as Host-Memory-Buffer (HMB).

Rated sequential throughput is 3500 MB/s read and 3200 MB/s write. Random throughput is 380K read IOPS and 320K write IOPS. The calculated specification score is 59.9.

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

Endurance and thermals

Rated endurance is 2000 TBW, or approximately 500 TBW per TB of capacity. The listed warranty is 3 years.

Current value

At $450, the drive costs $112.50 per TB. Performance / price is 20.0 and capacity value is 79.9. Compare these values with nearby drives below; interface generation and headline speed alone do not determine value.