Hardware Spec Index

Mirenta HD-6781 Core 20TB 7,200 RPM CMR NAS Hard Drive

Hard Drives · Mirenta · SKU HD6781-CORE · Released 2020 · Updated 2026-10-19

Key facts

Benchmark index2,699 (Hard Drives scale)
Category rank#14,591
Street price$419
Power8 W
Performance per dollar6.44
Released2020

Specifications

BrandMirenta
ModelMirenta HD-6781 Core
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-1844 Plus 28TB 7,200 RPM CMR Enterprise Hard Drive2,629$459Compare
Strivon HD-4836 Core 24TB 7,200 RPM CMR Enterprise Hard Drive2,216$299Compare
Novexa HD-5159 Ultra 24TB 7,200 RPM CMR NAS Hard Drive2,894$499Compare
Strivon HD-9496 Ultra 20TB 7,200 RPM CMR NAS Hard Drive2,717$489Compare
Novexa HD-8406 Edge 6TB 5,400 RPM CMR Surveillance Hard Drive1,031$79Compare
Novexa HD-5479 Ultra 16TB 7,200 RPM CMR NAS Hard Drive2,244$349Compare

All Hard Drives · JSON

Cite this page: Hardware Spec Index, “Mirenta HD-6781 Core 20TB 7,200 RPM CMR NAS Hard Drive”, https://vextor7.com/item/18336331 (accessed 2026-10-19).