Hardware Spec Index

Novexa SN-6678 Ultra 500GB PCIe 4.0 NVMe M.2 2280 SSD

SSDs · Novexa · SKU SN6678-ULTRA · Released 2023 · Updated 2026-10-19

Key facts

Benchmark index5,926 (SSDs scale)
Category rank#46,865
Street price$89
Power6 W (active)
Performance per dollar66.58
Released2023

Specifications

BrandNovexa
ModelNovexa SN-6678 Ultra
Capacity500 GB
Form factorM.2 2280
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read6,900 MB/s
Sequential write4,700 MB/s
Random 4K read1,040K IOPS
NAND3D TLC, 232-layer
CacheDRAM-less (HMB)
Endurance300 TBW (0.33 DWPD)
Warranty5 years
HeatsinkNone

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-6678 Ultra 500GB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/85647790 (accessed 2026-10-19).