Hardware Spec Index

Mirenta HD-9839 Pro 20TB 7,200 RPM CMR Enterprise Hard Drive

Hard Drives · Mirenta · SKU HD9839-PRO · Released 2023 · Updated 2026-10-25

Key facts

Benchmark index2,190 (Hard Drives scale)
Category rank#33,434
Street price$329
Power8 W
Performance per dollar6.66
Released2023

Specifications

BrandMirenta
ModelMirenta HD-9839 Pro
Capacity20 TB
ClassEnterprise
RecordingCMR (conventional magnetic recording)
Spindle speed7,200 RPM
Cache512 MB
InterfaceSATA 6 Gb/s
Sustained transfer280 MB/s
Workload rating550 TB/year
MTBF2.5 million hours
Helium-filledYes
Warranty5 years

Related guides

CMR vs SMR Hard DrivesNAS RAID Levels Explained

Similar Hard Drives

ModelBenchmarkPriceCompare
Novexa HD-4725 XT 6TB 5,400 RPM SMR Desktop Hard Drive1,276$109Compare
Altrix HD-6759 Plus 4TB 5,400 RPM SMR Desktop Hard Drive1,363$129Compare
Mirenta HD-1714 Edge 6TB 5,400 RPM CMR Surveillance Hard Drive967$69Compare
Mirenta HD-2609 Ti 6TB 5,400 RPM CMR NAS Hard Drive1,613$189Compare
Altrix HD-9307 Edge 20TB 7,200 RPM CMR Enterprise Hard Drive2,633$389Compare
Altrix HD-7222 Ti 24TB 7,200 RPM CMR Enterprise Hard Drive2,835$469Compare

All Hard Drives · JSON

Cite this page: Hardware Spec Index, “Mirenta HD-9839 Pro 20TB 7,200 RPM CMR Enterprise Hard Drive”, https://vextor7.com/item/5743319 (accessed 2026-10-25).