Hardware Spec Index

Novexa SN-8638 SE 500GB PCIe 4.0 NVMe M.2 2280 SSD

SSDs · Novexa · SKU SN8638-SE · Released 2020 · Updated 2026-10-18

Key facts

Benchmark index6,273 (SSDs scale)
Category rank#32,522
Street price$89
Power6 W (active)
Performance per dollar70.48
Released2020

Specifications

BrandNovexa
ModelNovexa SN-8638 SE
Capacity500 GB
Form factorM.2 2280
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read5,900 MB/s
Sequential write3,800 MB/s
Random 4K read1,250K IOPS
NAND3D QLC, 232-layer
CacheDRAM-less (HMB)
Endurance180 TBW (0.33 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-8638 SE 500GB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/925264 (accessed 2026-10-18).