Hardware Spec Index

Altrix HD-9251 Ultra 4TB 5,400 RPM SMR Desktop Hard Drive

Hard Drives · Altrix · SKU HD9251-ULTRA · Released 2021 · Updated 2026-10-21

Key facts

Benchmark index1,552 (Hard Drives scale)
Category rank#47,307
Street price$139
Power5 W
Performance per dollar11.17
Released2021

Specifications

BrandAltrix
ModelAltrix HD-9251 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-9251 Ultra 4TB 5,400 RPM SMR Desktop Hard Drive”, https://vextor7.com/item/5753397 (accessed 2026-10-21).