Hardware Spec Index

Altrix SN-8557 Pro 1TB PCIe 4.0 NVMe M.2 2280 SSD

SSDs · Altrix · SKU SN8557-PRO · Released 2022 · Updated 2026-10-20

Key facts

Benchmark index7,314 (SSDs scale)
Category rank#22,043
Street price$149
Power7 W (active)
Performance per dollar49.09
Released2022

Specifications

BrandAltrix
ModelAltrix SN-8557 Pro
Capacity1 TB
Form factorM.2 2280
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read5,900 MB/s
Sequential write5,300 MB/s
Random 4K read1,170K IOPS
NAND3D QLC, 218-layer
CacheDRAM-less (HMB)
Endurance200 TBW (0.18 DWPD)
Warranty3 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-8557 Pro 1TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/515440 (accessed 2026-10-20).