Hardware Spec Index

Mirenta HD-4945 Ultra 2TB 5,400 RPM CMR Surveillance Hard Drive

Hard Drives · Mirenta · SKU HD4945-ULTRA · Released 2020 · Updated 2026-10-22

Key facts

Benchmark index912 (Hard Drives scale)
Category rank#35,310
Street price$69
Power4 W
Performance per dollar13.22
Released2020

Specifications

BrandMirenta
ModelMirenta HD-4945 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
Novexa HD-1263 SE 6TB 5,400 RPM CMR NAS Hard Drive1,742$219Compare
Mirenta HD-6136 SE 16TB 7,200 RPM CMR NAS Hard Drive1,866$229Compare
Mirenta HD-4042 Ultra 28TB 7,200 RPM CMR NAS Hard Drive2,541$469Compare
Mirenta HD-5887 Max 4TB 5,400 RPM SMR Desktop Hard Drive1,211$99Compare
Novexa HD-2419 XT 20TB 7,200 RPM CMR Enterprise Hard Drive2,485$409Compare
Novexa HD-3596 XT 8TB 7,200 RPM CMR Surveillance Hard Drive1,664$179Compare

All Hard Drives · JSON

Cite this page: Hardware Spec Index, “Mirenta HD-4945 Ultra 2TB 5,400 RPM CMR Surveillance Hard Drive”, https://vextor7.com/item/2177535 (accessed 2026-10-22).