Hardware Spec Index

Mirenta HD-6551 Plus 20TB 7,200 RPM CMR Enterprise Hard Drive

Hard Drives · Mirenta · SKU HD6551-PLUS · Released 2022 · Updated 2026-10-19

Key facts

Benchmark index2,209 (Hard Drives scale)
Category rank#40,051
Street price$339
Power8 W
Performance per dollar6.52
Released2022

Specifications

BrandMirenta
ModelMirenta HD-6551 Plus
Capacity20 TB
ClassEnterprise
RecordingCMR (conventional magnetic recording)
Spindle speed7,200 RPM
Cache512 MB
InterfaceSAS 12 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-8048 XT 16TB 7,200 RPM CMR NAS Hard Drive2,110$269Compare
Novexa HD-9005 XT 2TB 5,400 RPM CMR Surveillance Hard Drive744$59Compare
Mirenta HD-8792 Plus 6TB 5,400 RPM CMR NAS Hard Drive1,340$129Compare
Altrix HD-8787 Ultra 4TB 5,400 RPM SMR Desktop Hard Drive1,188$109Compare
Mirenta HD-5251 Plus 4TB 5,400 RPM CMR Surveillance Hard Drive970$69Compare
Mirenta HD-6136 SE 4TB 5,400 RPM CMR Surveillance Hard Drive1,417$129Compare

All Hard Drives · JSON

Cite this page: Hardware Spec Index, “Mirenta HD-6551 Plus 20TB 7,200 RPM CMR Enterprise Hard Drive”, https://vextor7.com/item/11601454 (accessed 2026-10-19).