Hardware Spec Index

Novexa SN-6251 Ultra 500GB PCIe 4.0 NVMe M.2 2280 SSD

SSDs · Novexa · SKU SN6251-ULTRA · Released 2023 · Updated 2026-10-22

Key facts

Benchmark index4,613 (SSDs scale)
Category rank#47,289
Street price$59
Power8 W (active)
Performance per dollar78.19
Released2023

Specifications

BrandNovexa
ModelNovexa SN-6251 Ultra
Capacity500 GB
Form factorM.2 2280
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read6,500 MB/s
Sequential write3,600 MB/s
Random 4K read970K IOPS
NAND3D TLC, 232-layer
CacheDRAM-less (HMB)
Endurance300 TBW (0.55 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-6251 Ultra 500GB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/80430125 (accessed 2026-10-22).