Hardware Spec Index

Novexa SN-6491 XT 1TB PCIe 4.0 NVMe M.2 2280 SSD

SSDs · Novexa · SKU SN6491-XT · Released 2022 · Updated 2026-10-20

Key facts

Benchmark index4,721 (SSDs scale)
Category rank#41,182
Street price$49
Power8 W (active)
Performance per dollar96.35
Released2022

Specifications

BrandNovexa
ModelNovexa SN-6491 XT
Capacity1 TB
Form factorM.2 2280
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read6,500 MB/s
Sequential write6,100 MB/s
Random 4K read740K IOPS
NAND3D TLC, 232-layer
CacheDRAM-less (HMB)
Endurance600 TBW (0.55 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-6491 XT 1TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/15880596 (accessed 2026-10-20).