Hardware Spec Index

Novexa SN-6403 Pro 500GB PCIe 4.0 NVMe M.2 2280 SSD

SSDs · Novexa · SKU SN6403-PRO · Released 2020 · Updated 2026-10-27

Key facts

Benchmark index6,353 (SSDs scale)
Category rank#35,564
Street price$89
Power7 W (active)
Performance per dollar71.38
Released2020

Specifications

BrandNovexa
ModelNovexa SN-6403 Pro
Capacity500 GB
Form factorM.2 2280
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read5,300 MB/s
Sequential write3,300 MB/s
Random 4K read1,340K IOPS
NAND3D QLC, 218-layer
CacheDRAM-less (HMB)
Endurance120 TBW (0.22 DWPD)
Warranty3 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-6403 Pro 500GB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/97717379 (accessed 2026-10-27).