Hardware Spec Index

Novexa SN-6639 Plus 1TB PCIe 3.0 NVMe M.2 2280 SSD

SSDs · Novexa · SKU SN6639-PLUS · Released 2019 · Updated 2026-10-26

Key facts

Benchmark index5,981 (SSDs scale)
Category rank#36,413
Street price$89
Power4 W (active)
Performance per dollar67.20
Released2019

Specifications

BrandNovexa
ModelNovexa SN-6639 Plus
Capacity1 TB
Form factorM.2 2280
InterfacePCIe 3.0 x4, NVMe 1.4
Sequential read3,400 MB/s
Sequential write2,600 MB/s
Random 4K read350K IOPS
NAND3D TLC, 218-layer
CacheDRAM-less (HMB)
Endurance600 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-6639 Plus 1TB PCIe 3.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/41913788 (accessed 2026-10-26).