Hardware Spec Index

Altrix SN-8491 SE 1TB PCIe 4.0 NVMe M.2 2280 SSD

SSDs · Altrix · SKU SN8491-SE · Released 2020 · Updated 2026-10-19

Key facts

Benchmark index4,889 (SSDs scale)
Category rank#15,369
Street price$59
Power8 W (active)
Performance per dollar82.86
Released2020

Specifications

BrandAltrix
ModelAltrix SN-8491 SE
Capacity1 TB
Form factorM.2 2280
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read6,100 MB/s
Sequential write5,400 MB/s
Random 4K read870K IOPS
NAND3D TLC, 238-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, “Altrix SN-8491 SE 1TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/50007636 (accessed 2026-10-19).