Hardware Spec Index

Novexa SN-6668 XT 8TB PCIe 4.0 NVMe M.2 2280 SSD

SSDs · Novexa · SKU SN6668-XT · Released 2020 · Updated 2026-10-21

Key facts

Benchmark index12,004 (SSDs scale)
Category rank#46,478
Street price$419
Power8 W (active)
Performance per dollar28.65
Released2020

Specifications

BrandNovexa
ModelNovexa SN-6668 XT
Capacity8 TB
Form factorM.2 2280
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read7,200 MB/s
Sequential write5,300 MB/s
Random 4K read890K IOPS
NAND3D TLC, 232-layer
CacheDDR4 DRAM, 8 GB
Endurance4,800 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

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Cite this page: Hardware Spec Index, “Novexa SN-6668 XT 8TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/3605375 (accessed 2026-10-21).