Hardware Spec Index

Mirenta HD-7947 Core 4TB 5,400 RPM CMR Surveillance Hard Drive

Hard Drives · Mirenta · SKU HD7947-CORE · Released 2025 · Updated 2026-10-19

Key facts

Benchmark index1,145 (Hard Drives scale)
Category rank#17,023
Street price$89
Power5 W
Performance per dollar12.87
Released2025

Specifications

BrandMirenta
ModelMirenta HD-7947 Core
Capacity4 TB
ClassSurveillance
RecordingCMR (conventional magnetic recording)
Spindle speed5,400 RPM
Cache256 MB
InterfaceSATA 6 Gb/s
Sustained transfer180 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-2390 XT 20TB 7,200 RPM CMR NAS Hard Drive2,238$349Compare
Strivon HD-6977 XT 4TB 5,400 RPM SMR Desktop Hard Drive1,310$109Compare
Strivon HD-8791 SE 6TB 5,400 RPM SMR Desktop Hard Drive1,601$189Compare
Novexa HD-3130 SE 16TB 7,200 RPM CMR NAS Hard Drive2,129$289Compare
Novexa HD-8180 Core 16TB 7,200 RPM CMR Enterprise Hard Drive2,211$319Compare
Novexa HD-3043 Edge 20TB 7,200 RPM CMR NAS Hard Drive2,816$489Compare

All Hard Drives · JSON

Cite this page: Hardware Spec Index, “Mirenta HD-7947 Core 4TB 5,400 RPM CMR Surveillance Hard Drive”, https://vextor7.com/item/17541126 (accessed 2026-10-19).