Hardware Spec Index

Altrix SN-3556 XT 2TB PCIe 3.0 NVMe M.2 2280 SSD

SSDs · Altrix · SKU SN3556-XT · Released 2019 · Updated 2026-10-23

Key facts

Benchmark index8,644 (SSDs scale)
Category rank#36,250
Street price$199
Power4 W (active)
Performance per dollar43.44
Released2019

Specifications

BrandAltrix
ModelAltrix SN-3556 XT
Capacity2 TB
Form factorM.2 2280
InterfacePCIe 3.0 x4, NVMe 1.4
Sequential read2,900 MB/s
Sequential write2,200 MB/s
Random 4K read520K IOPS
NAND3D TLC, 176-layer
CacheDDR4 DRAM, 2 GB
Endurance1,200 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-3556 XT 2TB PCIe 3.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/5114921 (accessed 2026-10-23).