Hardware Spec Index

Altrix HD-1975 Ultra 20TB 7,200 RPM CMR NAS Hard Drive

Hard Drives · Altrix · SKU HD1975-ULTRA · Released 2021 · Updated 2026-10-20

Key facts

Benchmark index2,091 (Hard Drives scale)
Category rank#14,365
Street price$319
Power8 W
Performance per dollar6.55
Released2021

Specifications

BrandAltrix
ModelAltrix HD-1975 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
Mirenta HD-5883 Max 16TB 7,200 RPM CMR Enterprise Hard Drive2,713$469Compare
Altrix HD-7950 Plus 16TB 7,200 RPM CMR NAS Hard Drive2,577$399Compare
Altrix HD-9931 Edge 20TB 7,200 RPM CMR Enterprise Hard Drive2,814$449Compare
Mirenta HD-8979 Edge 2TB 5,400 RPM CMR Surveillance Hard Drive815$59Compare
Altrix HD-1420 Ultra 12TB 7,200 RPM CMR Surveillance Hard Drive2,479$359Compare
Novexa HD-9177 SE 2TB 5,400 RPM CMR Surveillance Hard Drive756$59Compare

All Hard Drives · JSON

Cite this page: Hardware Spec Index, “Altrix HD-1975 Ultra 20TB 7,200 RPM CMR NAS Hard Drive”, https://vextor7.com/item/6772949 (accessed 2026-10-20).