Hardware Spec Index

Novexa SN-9491 Ultra 1TB PCIe 4.0 NVMe M.2 2280 SSD

SSDs · Novexa · SKU SN9491-ULTRA · Released 2025 · Updated 2026-10-19

Key facts

Benchmark index8,404 (SSDs scale)
Category rank#19,542
Street price$179
Power7 W (active)
Performance per dollar46.95
Released2025

Specifications

BrandNovexa
ModelNovexa SN-9491 Ultra
Capacity1 TB
Form factorM.2 2280
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read5,500 MB/s
Sequential write4,800 MB/s
Random 4K read1,080K IOPS
NAND3D TLC, 176-layer
CacheDRAM-less (HMB)
Endurance600 TBW (0.33 DWPD)
Warranty5 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-9491 Ultra 1TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/17294398 (accessed 2026-10-19).