Hardware Spec Index

Mirenta HD-6581 Ultra 20TB 7,200 RPM CMR Enterprise Hard Drive

Hard Drives · Mirenta · SKU HD6581-ULTRA · Released 2025 · Updated 2026-10-24

Key facts

Benchmark index2,109 (Hard Drives scale)
Category rank#41,231
Street price$269
Power8 W
Performance per dollar7.84
Released2025

Specifications

BrandMirenta
ModelMirenta HD-6581 Ultra
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-3092 Max 24TB 7,200 RPM CMR NAS Hard Drive2,459$429Compare
Strivon HD-9694 Ultra 16TB 7,200 RPM CMR NAS Hard Drive2,764$509Compare
Altrix HD-4880 Core 16TB 7,200 RPM CMR Enterprise Hard Drive1,992$269Compare
Strivon HD-9803 SE 16TB 7,200 RPM CMR NAS Hard Drive2,054$289Compare
Altrix HD-7655 Ultra 6TB 5,400 RPM CMR NAS Hard Drive1,283$99Compare
Mirenta HD-1078 Ultra 20TB 7,200 RPM CMR NAS Hard Drive3,078$519Compare

All Hard Drives · JSON

Cite this page: Hardware Spec Index, “Mirenta HD-6581 Ultra 20TB 7,200 RPM CMR Enterprise Hard Drive”, https://vextor7.com/item/8488135 (accessed 2026-10-24).