Hardware Spec Index

Altrix SN-9478 Pro 500GB PCIe 4.0 NVMe M.2 2280 SSD

SSDs · Altrix · SKU SN9478-PRO · Released 2021 · Updated 2026-10-19

Key facts

Benchmark index5,413 (SSDs scale)
Category rank#40,201
Street price$79
Power7 W (active)
Performance per dollar68.52
Released2021

Specifications

BrandAltrix
ModelAltrix SN-9478 Pro
Capacity500 GB
Form factorM.2 2280
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read6,400 MB/s
Sequential write3,600 MB/s
Random 4K read1,140K IOPS
NAND3D TLC, 238-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, “Altrix SN-9478 Pro 500GB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/9529698 (accessed 2026-10-19).