Hardware Spec Index

Altrix SN-5255 Ultra 500GB PCIe 4.0 NVMe M.2 2280 SSD

SSDs · Altrix · SKU SN5255-ULTRA · Released 2021 · Updated 2026-10-25

Key facts

Benchmark index5,599 (SSDs scale)
Category rank#30,829
Street price$89
Power7 W (active)
Performance per dollar62.91
Released2021

Specifications

BrandAltrix
ModelAltrix SN-5255 Ultra
Capacity500 GB
Form factorM.2 2280
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read7,000 MB/s
Sequential write4,900 MB/s
Random 4K read1,080K 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-5255 Ultra 500GB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/2659342 (accessed 2026-10-25).