Hardware Spec Index

Altrix HD-4471 Ultra 20TB 7,200 RPM CMR NAS Hard Drive

Hard Drives · Altrix · SKU HD4471-ULTRA · Released 2024 · Updated 2026-10-23

Key facts

Benchmark index2,143 (Hard Drives scale)
Category rank#8,289
Street price$339
Power8 W
Performance per dollar6.32
Released2024

Specifications

BrandAltrix
ModelAltrix HD-4471 Ultra
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
Novexa HD-9139 XT 8TB 7,200 RPM SMR Desktop Hard Drive1,468$119Compare
Novexa HD-5566 SE 20TB 7,200 RPM CMR Enterprise Hard Drive2,154$309Compare
Mirenta HD-8640 Pro 16TB 7,200 RPM CMR Enterprise Hard Drive2,409$369Compare
Mirenta HD-3330 Plus 20TB 7,200 RPM CMR Enterprise Hard Drive2,822$569Compare
Altrix HD-3618 Pro 28TB 7,200 RPM CMR NAS Hard Drive2,760$439Compare
Altrix HD-7150 Max 12TB 7,200 RPM CMR NAS Hard Drive2,179$329Compare

All Hard Drives · JSON

Cite this page: Hardware Spec Index, “Altrix HD-4471 Ultra 20TB 7,200 RPM CMR NAS Hard Drive”, https://vextor7.com/item/7308205 (accessed 2026-10-23).