Hardware Spec Index

Altrix HD-7491 Ultra 4TB 5,400 RPM SMR Desktop Hard Drive

Hard Drives · Altrix · SKU HD7491-ULTRA · Released 2023 · Updated 2026-10-22

Key facts

Benchmark index1,438 (Hard Drives scale)
Category rank#23,292
Street price$149
Power5 W
Performance per dollar9.65
Released2023

Specifications

BrandAltrix
ModelAltrix HD-7491 Ultra
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-7491 Ultra 4TB 5,400 RPM SMR Desktop Hard Drive”, https://vextor7.com/item/53471662 (accessed 2026-10-22).