Hardware Spec Index

Mirenta HD-6944 Ultra 20TB 7,200 RPM CMR Enterprise Hard Drive

Hard Drives · Mirenta · SKU HD6944-ULTRA · Released 2023 · Updated 2026-10-24

Key facts

Benchmark index2,459 (Hard Drives scale)
Category rank#33,744
Street price$389
Power8 W
Performance per dollar6.32
Released2023

Specifications

BrandMirenta
ModelMirenta HD-6944 Ultra
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-3176 Prime 8TB 7,200 RPM CMR Surveillance Hard Drive1,213$99Compare
Altrix HD-1806 SE 2TB 5,400 RPM SMR Desktop Hard Drive750$59Compare
Novexa HD-4732 Ultra 16TB 7,200 RPM CMR Enterprise Hard Drive2,727$429Compare
Mirenta HD-1947 Pro 12TB 7,200 RPM CMR NAS Hard Drive2,000$299Compare
Altrix HD-9122 Ti 8TB 7,200 RPM CMR Surveillance Hard Drive1,345$119Compare
Altrix HD-2199 Ultra 2TB 5,400 RPM CMR Surveillance Hard Drive593$49Compare

All Hard Drives · JSON

Cite this page: Hardware Spec Index, “Mirenta HD-6944 Ultra 20TB 7,200 RPM CMR Enterprise Hard Drive”, https://vextor7.com/item/2367949 (accessed 2026-10-24).