Hardware Spec Index

Altrix HD-6644 Pro 4TB 5,400 RPM SMR Desktop Hard Drive

Hard Drives · Altrix · SKU HD6644-PRO · Released 2021 · Updated 2026-10-24

Key facts

Benchmark index1,471 (Hard Drives scale)
Category rank#7,774
Street price$149
Power5 W
Performance per dollar9.87
Released2021

Specifications

BrandAltrix
ModelAltrix HD-6644 Pro
Capacity4 TB
ClassDesktop
RecordingSMR (shingled magnetic recording)
Spindle speed5,400 RPM
Cache256 MB
InterfaceSATA 6 Gb/s
Sustained transfer180 MB/s
Workload rating180 TB/year
MTBF1 million hours
Helium-filledNo
Warranty2 years

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Cite this page: Hardware Spec Index, “Altrix HD-6644 Pro 4TB 5,400 RPM SMR Desktop Hard Drive”, https://vextor7.com/item/12698249 (accessed 2026-10-24).