Hardware Spec Index

Mirenta HD-6977 Prime 20TB 7,200 RPM CMR Enterprise Hard Drive

Hard Drives · Mirenta · SKU HD6977-PRIME · Released 2019 · Updated 2026-10-20

Key facts

Benchmark index2,407 (Hard Drives scale)
Category rank#41,889
Street price$319
Power8 W
Performance per dollar7.55
Released2019

Specifications

BrandMirenta
ModelMirenta HD-6977 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
Strivon HD-7970 XT 8TB 7,200 RPM CMR Desktop Hard Drive1,700$199Compare
Mirenta HD-3586 Ti 2TB 5,400 RPM SMR Desktop Hard Drive1,184$99Compare
Altrix HD-2008 Edge 24TB 7,200 RPM CMR NAS Hard Drive3,029$599Compare
Altrix HD-5591 Prime 2TB 5,400 RPM SMR Desktop Hard Drive911$69Compare
Strivon HD-5404 XT 4TB 5,400 RPM CMR Desktop Hard Drive1,121$89Compare
Mirenta HD-2945 Ti 2TB 5,400 RPM CMR Surveillance Hard Drive1,280$109Compare

All Hard Drives · JSON

Cite this page: Hardware Spec Index, “Mirenta HD-6977 Prime 20TB 7,200 RPM CMR Enterprise Hard Drive”, https://vextor7.com/item/3418307 (accessed 2026-10-20).