Hardware Spec Index

Mirenta HD-4644 Core 20TB 7,200 RPM CMR Enterprise Hard Drive

Hard Drives · Mirenta · SKU HD4644-CORE · Released 2020 · Updated 2026-10-18

Key facts

Benchmark index2,607 (Hard Drives scale)
Category rank#13,592
Street price$419
Power8 W
Performance per dollar6.22
Released2020

Specifications

BrandMirenta
ModelMirenta HD-4644 Core
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
Novexa HD-6199 Ultra 28TB 7,200 RPM CMR NAS Hard Drive2,591$439Compare
Strivon HD-6451 Edge 20TB 7,200 RPM CMR NAS Hard Drive2,307$389Compare
Strivon HD-8069 Pro 2TB 5,400 RPM CMR Surveillance Hard Drive745$59Compare
Strivon HD-3884 Edge 4TB 5,400 RPM CMR Surveillance Hard Drive712$49Compare
Altrix HD-5985 Ti 20TB 7,200 RPM CMR NAS Hard Drive2,877$579Compare
Altrix HD-1160 SE 8TB 7,200 RPM SMR Desktop Hard Drive1,394$129Compare

All Hard Drives · JSON

Cite this page: Hardware Spec Index, “Mirenta HD-4644 Core 20TB 7,200 RPM CMR Enterprise Hard Drive”, https://vextor7.com/item/3987635 (accessed 2026-10-18).