Hardware Spec Index

Novexa SN-6581 Ultra 1TB PCIe 4.0 NVMe M.2 2280 SSD

SSDs · Novexa · SKU SN6581-ULTRA · Released 2021 · Updated 2026-10-20

Key facts

Benchmark index8,163 (SSDs scale)
Category rank#26,084
Street price$159
Power5 W (active)
Performance per dollar51.34
Released2021

Specifications

BrandNovexa
ModelNovexa SN-6581 Ultra
Capacity1 TB
Form factorM.2 2280
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read5,400 MB/s
Sequential write5,200 MB/s
Random 4K read960K IOPS
NAND3D QLC, 238-layer
CacheDRAM-less (HMB)
Endurance200 TBW (0.18 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-6581 Ultra 1TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/48416836 (accessed 2026-10-20).