Hardware Spec Index

Altrix HD-7721 SE 4TB 5,400 RPM CMR Desktop Hard Drive

Hard Drives · Altrix · SKU HD7721-SE · Released 2020 · Updated 2026-10-23

Key facts

Benchmark index785 (Hard Drives scale)
Category rank#22,347
Street price$49
Power5 W
Performance per dollar16.02
Released2020

Specifications

BrandAltrix
ModelAltrix HD-7721 SE
Capacity4 TB
ClassDesktop
RecordingCMR (conventional 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-7721 SE 4TB 5,400 RPM CMR Desktop Hard Drive”, https://vextor7.com/item/14530902 (accessed 2026-10-23).