Hardware Spec Index

Altrix SN-8557 Plus 500GB PCIe 4.0 NVMe M.2 2280 SSD

SSDs · Altrix · SKU SN8557-PLUS · Released 2024 · Updated 2026-10-24

Key facts

Benchmark index5,062 (SSDs scale)
Category rank#35,996
Street price$69
Power7 W (active)
Performance per dollar73.36
Released2024

Specifications

BrandAltrix
ModelAltrix SN-8557 Plus
Capacity500 GB
Form factorM.2 2280
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read6,700 MB/s
Sequential write3,700 MB/s
Random 4K read880K IOPS
NAND3D TLC, 238-layer
CacheDRAM-less (HMB)
Endurance300 TBW (0.55 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-8557 Plus 500GB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/827633 (accessed 2026-10-24).