Hardware Spec Index

Novexa SN-6668 Ultra 1TB PCIe 4.0 NVMe M.2 2280 SSD

SSDs · Novexa · SKU SN6668-ULTRA · Released 2025 · Updated 2026-10-26

Key facts

Benchmark index7,303 (SSDs scale)
Category rank#17,347
Street price$139
Power5 W (active)
Performance per dollar52.54
Released2025

Specifications

BrandNovexa
ModelNovexa SN-6668 Ultra
Capacity1 TB
Form factorM.2 2280
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read5,700 MB/s
Sequential write5,200 MB/s
Random 4K read1,300K IOPS
NAND3D QLC, 232-layer
CacheDRAM-less (HMB)
Endurance360 TBW (0.33 DWPD)
Warranty3 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 Ultra 1TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/302792 (accessed 2026-10-26).