Hardware Spec Index

Altrix SN-7251 Ultra 500GB PCIe 4.0 NVMe M.2 2280 SSD

SSDs · Altrix · SKU SN7251-ULTRA · Released 2021 · Updated 2026-10-25

Key facts

Benchmark index6,335 (SSDs scale)
Category rank#9,516
Street price$99
Power6 W (active)
Performance per dollar63.99
Released2021

Specifications

BrandAltrix
ModelAltrix SN-7251 Ultra
Capacity500 GB
Form factorM.2 2280
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read5,900 MB/s
Sequential write3,900 MB/s
Random 4K read790K IOPS
NAND3D TLC, 232-layer
CacheDRAM-less (HMB)
Endurance300 TBW (0.33 DWPD)
Warranty5 years
HeatsinkHeatsink edition available

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-7251 Ultra 500GB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/95527895 (accessed 2026-10-25).