Hardware Spec Index

Altrix SN-5555 Ultra 500GB PCIe 4.0 NVMe M.2 2280 SSD

SSDs · Altrix · SKU SN5555-ULTRA · Released 2022 · Updated 2026-10-19

Key facts

Benchmark index4,794 (SSDs scale)
Category rank#25,793
Street price$59
Power5 W (active)
Performance per dollar81.25
Released2022

Specifications

BrandAltrix
ModelAltrix SN-5555 Ultra
Capacity500 GB
Form factorM.2 2280
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read5,200 MB/s
Sequential write2,800 MB/s
Random 4K read850K IOPS
NAND3D QLC, 238-layer
CacheDRAM-less (HMB)
Endurance180 TBW (0.33 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-5555 Ultra 500GB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/952695 (accessed 2026-10-19).