Hardware Spec Index

Novexa SN-6397 Ultra 4TB PCIe 4.0 NVMe M.2 2280 SSD

SSDs · Novexa · SKU SN6397-ULTRA · Released 2021 · Updated 2026-10-21

Key facts

Benchmark index10,846 (SSDs scale)
Category rank#21,219
Street price$279
Power7 W (active)
Performance per dollar38.87
Released2021

Specifications

BrandNovexa
ModelNovexa SN-6397 Ultra
Capacity4 TB
Form factorM.2 2280
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read5,000 MB/s
Sequential write4,200 MB/s
Random 4K read760K IOPS
NAND3D TLC, 238-layer
CacheDDR4 DRAM, 4 GB
Endurance2,400 TBW (0.33 DWPD)
Warranty5 years
HeatsinkHeatsink edition available

Related guides

NVMe SSDs ExplainedM.2 SSD Sizes and KeysSSD Endurance ExplainedDRAM vs DRAM-less SSDsPCIe 4.0 vs PCIe 5.0

Similar SSDs

ModelBenchmarkPriceCompare
Strivon SN-6655 Max 1TB PCIe 4.0 NVMe M.2 2280 SSD5,332$69Compare
Caldera SN-2466 Ultra 2TB PCIe 3.0 NVMe M.2 2280 SSD11,357$329Compare
Strivon SN-1605 Max 8TB PCIe 5.0 NVMe M.2 2280 SSD11,681$399Compare
Strivon SN-5406 SE 8TB PCIe 3.0 NVMe M.2 2280 SSD13,356$509Compare
Novexa SN-8980 Ti 8TB PCIe 5.0 NVMe M.2 2280 SSD13,390$559Compare
Novexa SN-1084 XT 2TB PCIe 4.0 NVMe M.2 2280 SSD9,073$199Compare

All SSDs · JSON

Cite this page: Hardware Spec Index, “Novexa SN-6397 Ultra 4TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/2646476 (accessed 2026-10-21).