Hardware Spec Index

Altrix SN-6556 Pro 1TB PCIe 3.0 NVMe M.2 2280 SSD

SSDs · Altrix · SKU SN6556-PRO · Released 2019 · Updated 2026-10-24

Key facts

Benchmark index5,978 (SSDs scale)
Category rank#48,719
Street price$89
Power6 W (active)
Performance per dollar67.17
Released2019

Specifications

BrandAltrix
ModelAltrix SN-6556 Pro
Capacity1 TB
Form factorM.2 2280
InterfacePCIe 3.0 x4, NVMe 1.4
Sequential read2,200 MB/s
Sequential write1,900 MB/s
Random 4K read600K IOPS
NAND3D TLC, 232-layer
CacheDRAM-less (HMB)
Endurance600 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-6556 Pro 1TB PCIe 3.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/25009864 (accessed 2026-10-24).