Hardware Spec Index

Mirenta HD-8721 Ultra 2TB 5,400 RPM CMR Surveillance Hard Drive

Hard Drives · Mirenta · SKU HD8721-ULTRA · Released 2019 · Updated 2026-10-26

Key facts

Benchmark index800 (Hard Drives scale)
Category rank#24,479
Street price$59
Power4 W
Performance per dollar13.56
Released2019

Specifications

BrandMirenta
ModelMirenta HD-8721 Ultra
Capacity2 TB
ClassSurveillance
RecordingCMR (conventional magnetic recording)
Spindle speed5,400 RPM
Cache256 MB
InterfaceSATA 6 Gb/s
Sustained transfer170 MB/s
Workload rating180 TB/year
MTBF1 million hours
Helium-filledNo
Warranty2 years

Related guides

CMR vs SMR Hard DrivesNAS RAID Levels Explained

Similar Hard Drives

ModelBenchmarkPriceCompare
Altrix HD-6811 Ti 12TB 7,200 RPM SMR Desktop Hard Drive2,170$239Compare
Novexa HD-9484 Prime 12TB 7,200 RPM SMR Desktop Hard Drive2,559$419Compare
Altrix HD-8826 Edge 6TB 5,400 RPM SMR Desktop Hard Drive1,783$189Compare
Altrix HD-3898 Core 24TB 7,200 RPM CMR Enterprise Hard Drive2,982$459Compare
Novexa HD-8688 Ultra 28TB 7,200 RPM CMR Enterprise Hard Drive2,728$529Compare
Altrix HD-8131 Core 20TB 7,200 RPM CMR NAS Hard Drive2,291$349Compare

All Hard Drives · JSON

Cite this page: Hardware Spec Index, “Mirenta HD-8721 Ultra 2TB 5,400 RPM CMR Surveillance Hard Drive”, https://vextor7.com/item/31588153 (accessed 2026-10-26).