Hardware Spec Index

Altrix SN-8666 XT 2TB PCIe 4.0 NVMe M.2 2280 SSD

SSDs · Altrix · SKU SN8666-XT · Released 2021 · Updated 2026-10-26

Key facts

Benchmark index13,449 (SSDs scale)
Category rank#47,478
Street price$459
Power5 W (active)
Performance per dollar29.30
Released2021

Specifications

BrandAltrix
ModelAltrix SN-8666 XT
Capacity2 TB
Form factorM.2 2280
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read5,100 MB/s
Sequential write3,700 MB/s
Random 4K read1,350K IOPS
NAND3D TLC, 176-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-8666 XT 2TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/15719781 (accessed 2026-10-26).