Hardware Spec Index

Altrix SN-6659 Pro 4TB PCIe 4.0 NVMe M.2 2280 SSD

SSDs · Altrix · SKU SN6659-PRO · Released 2021 · Updated 2026-10-25

Key facts

Benchmark index13,687 (SSDs scale)
Category rank#35,438
Street price$449
Power5 W (active)
Performance per dollar30.48
Released2021

Specifications

BrandAltrix
ModelAltrix SN-6659 Pro
Capacity4 TB
Form factorM.2 2280
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read6,400 MB/s
Sequential write6,200 MB/s
Random 4K read1,240K IOPS
NAND3D TLC, 218-layer
CacheDDR4 DRAM, 4 GB
Endurance2,400 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-6659 Pro 4TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/86529704 (accessed 2026-10-25).