Hardware Spec Index

Altrix HD-9771 Ultra 20TB 7,200 RPM CMR Enterprise Hard Drive

Hard Drives · Altrix · SKU HD9771-ULTRA · Released 2020 · Updated 2026-10-24

Key facts

Benchmark index2,160 (Hard Drives scale)
Category rank#49,539
Street price$319
Power8 W
Performance per dollar6.77
Released2020

Specifications

BrandAltrix
ModelAltrix HD-9771 Ultra
Capacity20 TB
ClassEnterprise
RecordingCMR (conventional magnetic recording)
Spindle speed7,200 RPM
Cache512 MB
InterfaceSAS 12 Gb/s
Sustained transfer280 MB/s
Workload rating550 TB/year
MTBF2.5 million hours
Helium-filledYes
Warranty5 years

Related guides

CMR vs SMR Hard DrivesNAS RAID Levels Explained

Similar Hard Drives

ModelBenchmarkPriceCompare
Strivon HD-4706 Edge 20TB 7,200 RPM CMR Enterprise Hard Drive2,138$269Compare
Mirenta HD-5637 Ultra 16TB 7,200 RPM CMR NAS Hard Drive2,122$289Compare
Mirenta HD-7007 Pro 20TB 7,200 RPM CMR Enterprise Hard Drive2,258$289Compare
Novexa HD-5329 Plus 4TB 5,400 RPM CMR Desktop Hard Drive989$69Compare
Novexa HD-5355 SE 2TB 5,400 RPM SMR Desktop Hard Drive737$59Compare
Mirenta HD-2486 XT 16TB 7,200 RPM CMR Enterprise Hard Drive2,264$269Compare

All Hard Drives · JSON

Cite this page: Hardware Spec Index, “Altrix HD-9771 Ultra 20TB 7,200 RPM CMR Enterprise Hard Drive”, https://vextor7.com/item/7596937 (accessed 2026-10-24).