Hardware Spec Index

Novexa SN-8646 Prime 4TB PCIe 5.0 NVMe M.2 2280 SSD

SSDs · Novexa · SKU SN8646-PRIME · Released 2026 · Updated 2026-10-19

Key facts

Benchmark index10,973 (SSDs scale)
Category rank#6,975
Street price$299
Power10 W (active)
Performance per dollar36.70
Released2026

Specifications

BrandNovexa
ModelNovexa SN-8646 Prime
Capacity4 TB
Form factorM.2 2280
InterfacePCIe 5.0 x4, NVMe 2.0
Sequential read14,700 MB/s
Sequential write11,000 MB/s
Random 4K read1,990K IOPS
NAND3D TLC, 176-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-8646 Prime 4TB PCIe 5.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/433539 (accessed 2026-10-19).