Hardware Spec Index

Novexa SN-4581 Ultra 2TB PCIe 5.0 NVMe M.2 2280 SSD

SSDs · Novexa · SKU SN4581-ULTRA · Released 2026 · Updated 2026-10-20

Key facts

Benchmark index11,609 (SSDs scale)
Category rank#23,564
Street price$369
Power11 W (active)
Performance per dollar31.46
Released2026

Specifications

BrandNovexa
ModelNovexa SN-4581 Ultra
Capacity2 TB
Form factorM.2 2280
InterfacePCIe 5.0 x4, NVMe 2.0
Sequential read12,900 MB/s
Sequential write12,300 MB/s
Random 4K read2,180K IOPS
NAND3D TLC, 218-layer
CacheLPDDR4 DRAM, 2 GB
Endurance1,200 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-4581 Ultra 2TB PCIe 5.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/7248488 (accessed 2026-10-20).