Hardware Spec Index

Mirenta HD-1818 Ultra 20TB 7,200 RPM CMR Enterprise Hard Drive

Hard Drives · Mirenta · SKU HD1818-ULTRA · Released 2021 · Updated 2026-10-18

Key facts

Benchmark index2,487 (Hard Drives scale)
Category rank#46,618
Street price$429
Power8 W
Performance per dollar5.80
Released2021

Specifications

BrandMirenta
ModelMirenta HD-1818 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
Altrix HD-2467 Ultra 12TB 7,200 RPM CMR Surveillance Hard Drive1,899$259Compare
Altrix HD-4309 XT 6TB 5,400 RPM SMR Desktop Hard Drive981$69Compare
Mirenta HD-2303 Pro 12TB 7,200 RPM CMR Surveillance Hard Drive1,789$219Compare
Mirenta HD-9827 Core 24TB 7,200 RPM CMR NAS Hard Drive2,828$589Compare
Novexa HD-8257 Max 24TB 7,200 RPM CMR NAS Hard Drive2,948$549Compare
Mirenta HD-7032 Core 4TB 5,400 RPM CMR Surveillance Hard Drive1,111$79Compare

All Hard Drives · JSON

Cite this page: Hardware Spec Index, “Mirenta HD-1818 Ultra 20TB 7,200 RPM CMR Enterprise Hard Drive”, https://vextor7.com/item/4881027 (accessed 2026-10-18).