Hardware Spec Index

Mirenta HD-6251 Prime 20TB 7,200 RPM CMR Enterprise Hard Drive

Hard Drives · Mirenta · SKU HD6251-PRIME · Released 2019 · Updated 2026-10-26

Key facts

Benchmark index2,862 (Hard Drives scale)
Category rank#16,909
Street price$599
Power8 W
Performance per dollar4.78
Released2019

Specifications

BrandMirenta
ModelMirenta HD-6251 Prime
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
Altrix HD-1556 SE 12TB 7,200 RPM CMR Surveillance Hard Drive2,377$349Compare
Mirenta HD-2637 Max 16TB 7,200 RPM CMR NAS Hard Drive2,277$369Compare
Novexa HD-7744 Ti 6TB 5,400 RPM SMR Desktop Hard Drive1,373$129Compare
Mirenta HD-2298 Prime 20TB 7,200 RPM CMR NAS Hard Drive2,804$529Compare
Altrix HD-5083 Max 24TB 7,200 RPM CMR NAS Hard Drive3,100$599Compare
Mirenta HD-6323 Edge 8TB 7,200 RPM SMR Desktop Hard Drive1,883$189Compare

All Hard Drives · JSON

Cite this page: Hardware Spec Index, “Mirenta HD-6251 Prime 20TB 7,200 RPM CMR Enterprise Hard Drive”, https://vextor7.com/item/1655595 (accessed 2026-10-26).