Hardware Spec Index

Altrix SN-6556 Ultra 8TB PCIe 4.0 NVMe M.2 2280 SSD

SSDs · Altrix · SKU SN6556-ULTRA · Released 2020 · Updated 2026-10-25

Key facts

Benchmark index13,800 (SSDs scale)
Category rank#28,289
Street price$479
Power5 W (active)
Performance per dollar28.81
Released2020

Specifications

BrandAltrix
ModelAltrix SN-6556 Ultra
Capacity8 TB
Form factorM.2 2280
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read7,100 MB/s
Sequential write5,200 MB/s
Random 4K read1,120K IOPS
NAND3D TLC, 232-layer
CacheDDR4 DRAM, 8 GB
Endurance4,800 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-6556 Ultra 8TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/6505241 (accessed 2026-10-25).