Hardware Spec Index

Novexa SN-6643 Prime 8TB PCIe 4.0 NVMe M.2 2280 SSD

SSDs · Novexa · SKU SN6643-PRIME · Released 2021 · Updated 2026-10-25

Key facts

Benchmark index11,152 (SSDs scale)
Category rank#48,078
Street price$319
Power6 W (active)
Performance per dollar34.96
Released2021

Specifications

BrandNovexa
ModelNovexa SN-6643 Prime
Capacity8 TB
Form factorM.2 2280
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read5,700 MB/s
Sequential write5,000 MB/s
Random 4K read1,200K IOPS
NAND3D TLC, 238-layer
CacheDDR4 DRAM, 8 GB
Endurance4,800 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-6643 Prime 8TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/4802114 (accessed 2026-10-25).