Hardware Spec Index

Altrix SN-3556 Pro 2TB PCIe 4.0 NVMe M.2 2280 SSD

SSDs · Altrix · SKU SN3556-PRO · Released 2022 · Updated 2026-10-25

Key facts

Benchmark index9,448 (SSDs scale)
Category rank#44,176
Street price$269
Power8 W (active)
Performance per dollar35.12
Released2022

Specifications

BrandAltrix
ModelAltrix SN-3556 Pro
Capacity2 TB
Form factorM.2 2280
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read4,800 MB/s
Sequential write3,900 MB/s
Random 4K read1,130K IOPS
NAND3D TLC, 232-layer
CacheDDR4 DRAM, 2 GB
Endurance1,200 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-3556 Pro 2TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/92719556 (accessed 2026-10-25).