Hardware Spec Index

Mirenta HD-8742 Core 20TB 7,200 RPM CMR Enterprise Hard Drive

Hard Drives · Mirenta · SKU HD8742-CORE · Released 2022 · Updated 2026-10-23

Key facts

Benchmark index2,790 (Hard Drives scale)
Category rank#9,411
Street price$539
Power8 W
Performance per dollar5.18
Released2022

Specifications

BrandMirenta
ModelMirenta HD-8742 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
Strivon HD-5743 Pro 12TB 7,200 RPM CMR NAS Hard Drive1,983$249Compare
Strivon HD-7657 SE 12TB 7,200 RPM SMR Desktop Hard Drive1,768$199Compare
Altrix HD-9493 Ti 4TB 5,400 RPM CMR Surveillance Hard Drive851$69Compare
Novexa HD-5495 Ultra 8TB 7,200 RPM CMR Surveillance Hard Drive1,898$219Compare
Mirenta HD-2763 Pro 16TB 7,200 RPM CMR NAS Hard Drive2,571$479Compare
Novexa HD-9022 SE 4TB 5,400 RPM SMR Desktop Hard Drive1,063$69Compare

All Hard Drives · JSON

Cite this page: Hardware Spec Index, “Mirenta HD-8742 Core 20TB 7,200 RPM CMR Enterprise Hard Drive”, https://vextor7.com/item/4207709 (accessed 2026-10-23).