Hardware Spec Index

Mirenta HD-7449 Ultra 20TB 7,200 RPM CMR NAS Hard Drive

Hard Drives · Mirenta · SKU HD7449-ULTRA · Released 2020 · Updated 2026-10-19

Key facts

Benchmark index3,100 (Hard Drives scale)
Category rank#4,576
Street price$599
Power8 W
Performance per dollar5.18
Released2020

Specifications

BrandMirenta
ModelMirenta HD-7449 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-7084 SE 2TB 5,400 RPM CMR Surveillance Hard Drive1,001$79Compare
Mirenta HD-2788 Max 4TB 5,400 RPM SMR Desktop Hard Drive1,204$99Compare
Strivon HD-7285 Core 12TB 7,200 RPM CMR NAS Hard Drive1,571$159Compare
Novexa HD-7938 Plus 6TB 5,400 RPM CMR NAS Hard Drive1,601$169Compare
Mirenta HD-9085 Core 2TB 5,400 RPM SMR Desktop Hard Drive606$49Compare
Novexa HD-4513 Max 2TB 5,400 RPM SMR Desktop Hard Drive951$69Compare

All Hard Drives · JSON

Cite this page: Hardware Spec Index, “Mirenta HD-7449 Ultra 20TB 7,200 RPM CMR NAS Hard Drive”, https://vextor7.com/item/19084240 (accessed 2026-10-19).