Hardware Spec Index

Altrix SN-6644 Ultra 1TB PCIe 4.0 NVMe M.2 2280 SSD

SSDs · Altrix · SKU SN6644-ULTRA · Released 2023 · Updated 2026-10-20

Key facts

Benchmark index7,712 (SSDs scale)
Category rank#13,531
Street price$139
Power5 W (active)
Performance per dollar55.48
Released2023

Specifications

BrandAltrix
ModelAltrix SN-6644 Ultra
Capacity1 TB
Form factorM.2 2280
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read7,400 MB/s
Sequential write5,500 MB/s
Random 4K read950K IOPS
NAND3D QLC, 176-layer
CacheDRAM-less (HMB)
Endurance240 TBW (0.22 DWPD)
Warranty3 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-6644 Ultra 1TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/17801765 (accessed 2026-10-20).