Hardware Spec Index

Novexa SN-7491 XT 500GB PCIe 4.0 NVMe M.2 2280 SSD

SSDs · Novexa · SKU SN7491-XT · Released 2022 · Updated 2026-10-24

Key facts

Benchmark index5,236 (SSDs scale)
Category rank#31,682
Street price$79
Power6 W (active)
Performance per dollar66.28
Released2022

Specifications

BrandNovexa
ModelNovexa SN-7491 XT
Capacity500 GB
Form factorM.2 2280
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read6,300 MB/s
Sequential write3,700 MB/s
Random 4K read790K IOPS
NAND3D TLC, 176-layer
CacheDRAM-less (HMB)
Endurance300 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-7491 XT 500GB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/29958984 (accessed 2026-10-24).