Hardware Spec Index

Altrix HD-9474 Pro 20TB 7,200 RPM CMR NAS Hard Drive

Hard Drives · Altrix · SKU HD9474-PRO · Released 2022 · Updated 2026-10-21

Key facts

Benchmark index2,946 (Hard Drives scale)
Category rank#44,480
Street price$589
Power8 W
Performance per dollar5.00
Released2022

Specifications

BrandAltrix
ModelAltrix HD-9474 Pro
Capacity20 TB
ClassNAS
RecordingCMR (conventional magnetic recording)
Spindle speed7,200 RPM
Cache512 MB
InterfaceSATA 6 Gb/s
Sustained transfer280 MB/s
Workload rating300 TB/year
MTBF1.2 million hours
Helium-filledYes
Warranty3 years

Related guides

CMR vs SMR Hard DrivesNAS RAID Levels Explained

Similar Hard Drives

ModelBenchmarkPriceCompare
Strivon HD-1858 SE 16TB 7,200 RPM CMR Enterprise Hard Drive2,163$309Compare
Mirenta HD-9549 Ti 8TB 7,200 RPM CMR NAS Hard Drive1,766$199Compare
Mirenta HD-7491 Max 2TB 5,400 RPM SMR Desktop Hard Drive794$59Compare
Strivon HD-8997 SE 6TB 5,400 RPM CMR Surveillance Hard Drive1,860$199Compare
Mirenta HD-3869 Core 12TB 7,200 RPM SMR Desktop Hard Drive2,395$349Compare
Strivon HD-4154 Ultra 6TB 5,400 RPM CMR Surveillance Hard Drive940$69Compare

All Hard Drives · JSON

Cite this page: Hardware Spec Index, “Altrix HD-9474 Pro 20TB 7,200 RPM CMR NAS Hard Drive”, https://vextor7.com/item/7180910 (accessed 2026-10-21).