Hardware Spec Index

Altrix SN-5666 Plus 2TB PCIe 3.0 NVMe M.2 2280 SSD

SSDs · Altrix · SKU SN5666-PLUS · Released 2019 · Updated 2026-10-23

Key facts

Benchmark index7,826 (SSDs scale)
Category rank#19,616
Street price$159
Power6 W (active)
Performance per dollar49.22
Released2019

Specifications

BrandAltrix
ModelAltrix SN-5666 Plus
Capacity2 TB
Form factorM.2 2280
InterfacePCIe 3.0 x4, NVMe 1.4
Sequential read2,400 MB/s
Sequential write1,800 MB/s
Random 4K read370K IOPS
NAND3D TLC, 232-layer
CacheDRAM-less (HMB)
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-5666 Plus 2TB PCIe 3.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/12460754 (accessed 2026-10-23).