Hardware Spec Index

Altrix HD-6791 Prime 20TB 7,200 RPM CMR NAS Hard Drive

Hard Drives · Altrix · SKU HD6791-PRIME · Released 2021 · Updated 2026-10-19

Key facts

Benchmark index2,652 (Hard Drives scale)
Category rank#167
Street price$419
Power8 W
Performance per dollar6.33
Released2021

Specifications

BrandAltrix
ModelAltrix HD-6791 Prime
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
Altrix HD-2108 Ti 16TB 7,200 RPM CMR Enterprise Hard Drive2,634$449Compare
Mirenta HD-2118 SE 4TB 5,400 RPM CMR Surveillance Hard Drive890$79Compare
Mirenta HD-7472 Core 8TB 7,200 RPM CMR NAS Hard Drive1,718$169Compare
Strivon HD-6778 Max 8TB 7,200 RPM CMR Surveillance Hard Drive1,757$189Compare
Mirenta HD-5878 XT 24TB 7,200 RPM CMR NAS Hard Drive2,388$369Compare
Strivon HD-5072 Ultra 8TB 7,200 RPM CMR Surveillance Hard Drive1,294$99Compare

All Hard Drives · JSON

Cite this page: Hardware Spec Index, “Altrix HD-6791 Prime 20TB 7,200 RPM CMR NAS Hard Drive”, https://vextor7.com/item/2425459 (accessed 2026-10-19).