Hardware Spec Index

Novexa SN-6685 Pro 4TB PCIe 3.0 NVMe M.2 2280 SSD

SSDs · Novexa · SKU SN6685-PRO · Released 2019 · Updated 2026-10-22

Key facts

Benchmark index14,809 (SSDs scale)
Category rank#27,458
Street price$599
Power6 W (active)
Performance per dollar24.72
Released2019

Specifications

BrandNovexa
ModelNovexa SN-6685 Pro
Capacity4 TB
Form factorM.2 2280
InterfacePCIe 3.0 x4, NVMe 1.4
Sequential read2,800 MB/s
Sequential write2,400 MB/s
Random 4K read410K IOPS
NAND3D TLC, 218-layer
CacheDDR4 DRAM, 4 GB
Endurance2,400 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-6685 Pro 4TB PCIe 3.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/93039961 (accessed 2026-10-22).