Hardware Spec Index

Novexa SN-8643 Edge 4TB PCIe 5.0 NVMe M.2 2280 SSD

SSDs · Novexa · SKU SN8643-EDGE · Released 2025 · Updated 2026-10-20

Key facts

Benchmark index11,001 (SSDs scale)
Category rank#46,348
Street price$319
Power8 W (active)
Performance per dollar34.49
Released2025

Specifications

BrandNovexa
ModelNovexa SN-8643 Edge
Capacity4 TB
Form factorM.2 2280
InterfacePCIe 5.0 x4, NVMe 2.0
Sequential read13,300 MB/s
Sequential write12,200 MB/s
Random 4K read1,930K IOPS
NAND3D TLC, 232-layer
CacheLPDDR4 DRAM, 4 GB
Endurance2,400 TBW (0.33 DWPD)
Warranty5 years
HeatsinkIncluded (recommended for sustained loads)

Related guides

NVMe SSDs ExplainedM.2 SSD Sizes and KeysSSD Endurance ExplainedDRAM vs DRAM-less SSDsPCIe 5.0 ExplainedPCIe 4.0 vs PCIe 5.0

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Cite this page: Hardware Spec Index, “Novexa SN-8643 Edge 4TB PCIe 5.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/7721628 (accessed 2026-10-20).