Hardware Spec Index

Altrix SN-8491 Max 4TB PCIe 4.0 NVMe M.2 2280 SSD

SSDs · Altrix · SKU SN8491-MAX · Released 2023 · Updated 2026-10-23

Key facts

Benchmark index13,221 (SSDs scale)
Category rank#17,221
Street price$409
Power8 W (active)
Performance per dollar32.33
Released2023

Specifications

BrandAltrix
ModelAltrix SN-8491 Max
Capacity4 TB
Form factorM.2 2280
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read6,200 MB/s
Sequential write4,900 MB/s
Random 4K read1,260K IOPS
NAND3D TLC, 218-layer
CacheDDR4 DRAM, 4 GB
Endurance2,400 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, “Altrix SN-8491 Max 4TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/91821123 (accessed 2026-10-23).