Hardware Spec Index

Mirenta HD-5991 Pro 20TB 7,200 RPM CMR NAS Hard Drive

Hard Drives · Mirenta · SKU HD5991-PRO · Released 2020 · Updated 2026-10-20

Key facts

Benchmark index2,893 (Hard Drives scale)
Category rank#1,056
Street price$529
Power8 W
Performance per dollar5.47
Released2020

Specifications

BrandMirenta
ModelMirenta HD-5991 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
Mirenta HD-7639 XT 20TB 7,200 RPM CMR NAS Hard Drive2,379$409Compare
Strivon HD-7683 Core 12TB 7,200 RPM CMR Surveillance Hard Drive1,887$239Compare
Novexa HD-4536 Plus 20TB 7,200 RPM CMR Enterprise Hard Drive2,766$439Compare
Mirenta HD-7644 Core 24TB 7,200 RPM CMR NAS Hard Drive2,795$479Compare
Altrix HD-1086 Core 6TB 5,400 RPM CMR NAS Hard Drive933$79Compare
Mirenta HD-7859 Max 28TB 7,200 RPM CMR NAS Hard Drive2,934$599Compare

All Hard Drives · JSON

Cite this page: Hardware Spec Index, “Mirenta HD-5991 Pro 20TB 7,200 RPM CMR NAS Hard Drive”, https://vextor7.com/item/60000748 (accessed 2026-10-20).