Hardware Spec Index

Mirenta HD-7781 Ultra 2TB 5,400 RPM CMR Surveillance Hard Drive

Hard Drives · Mirenta · SKU HD7781-ULTRA · Released 2019 · Updated 2026-10-21

Key facts

Benchmark index1,173 (Hard Drives scale)
Category rank#2,732
Street price$99
Power4 W
Performance per dollar11.85
Released2019

Specifications

BrandMirenta
ModelMirenta HD-7781 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
Mirenta HD-8948 Prime 12TB 7,200 RPM CMR Surveillance Hard Drive2,297$339Compare
Altrix HD-9361 Plus 8TB 7,200 RPM CMR Surveillance Hard Drive1,402$119Compare
Mirenta HD-8917 Pro 16TB 7,200 RPM CMR NAS Hard Drive2,367$319Compare
Strivon HD-6783 Prime 12TB 7,200 RPM CMR Desktop Hard Drive1,965$299Compare
Mirenta HD-1542 Pro 28TB 7,200 RPM CMR NAS Hard Drive2,987$579Compare
Novexa HD-8848 Edge 4TB 5,400 RPM SMR Desktop Hard Drive855$49Compare

All Hard Drives · JSON

Cite this page: Hardware Spec Index, “Mirenta HD-7781 Ultra 2TB 5,400 RPM CMR Surveillance Hard Drive”, https://vextor7.com/item/82943561 (accessed 2026-10-21).