Hardware Spec Index

Novexa SN-3491 Ultra 1TB PCIe 4.0 NVMe M.2 2280 SSD

SSDs · Novexa · SKU SN3491-ULTRA · Released 2021 · Updated 2026-10-26

Key facts

Benchmark index7,255 (SSDs scale)
Category rank#18,989
Street price$109
Power5 W (active)
Performance per dollar66.56
Released2021

Specifications

BrandNovexa
ModelNovexa SN-3491 Ultra
Capacity1 TB
Form factorM.2 2280
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read7,100 MB/s
Sequential write5,700 MB/s
Random 4K read1,180K 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-3491 Ultra 1TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/21548461 (accessed 2026-10-26).