Hardware Spec Index

Altrix SN-9521 Plus 500GB PCIe 4.0 NVMe M.2 2280 SSD

SSDs · Altrix · SKU SN9521-PLUS · Released 2021 · Updated 2026-10-25

Key facts

Benchmark index5,552 (SSDs scale)
Category rank#13,908
Street price$69
Power7 W (active)
Performance per dollar80.46
Released2021

Specifications

BrandAltrix
ModelAltrix SN-9521 Plus
Capacity500 GB
Form factorM.2 2280
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read7,400 MB/s
Sequential write4,800 MB/s
Random 4K read770K IOPS
NAND3D QLC, 238-layer
CacheDRAM-less (HMB)
Endurance100 TBW (0.18 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-9521 Plus 500GB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/2656466 (accessed 2026-10-25).