Hardware Spec Index

Mirenta HD-3681 Prime 4TB 5,400 RPM CMR Surveillance Hard Drive

Hard Drives · Mirenta · SKU HD3681-PRIME · Released 2021 · Updated 2026-10-26

Key facts

Benchmark index694 (Hard Drives scale)
Category rank#45,086
Street price$49
Power5 W
Performance per dollar14.16
Released2021

Specifications

BrandMirenta
ModelMirenta HD-3681 Prime
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
Mirenta HD-1801 Pro 6TB 5,400 RPM CMR NAS Hard Drive1,782$189Compare
Strivon HD-2120 XT 12TB 7,200 RPM SMR Desktop Hard Drive1,585$179Compare
Strivon HD-5710 Edge 20TB 7,200 RPM CMR Enterprise Hard Drive2,293$369Compare
Strivon HD-5908 Edge 8TB 7,200 RPM CMR Surveillance Hard Drive1,990$289Compare
Mirenta HD-6976 SE 8TB 7,200 RPM CMR Surveillance Hard Drive1,893$219Compare
Novexa HD-2994 Edge 4TB 5,400 RPM SMR Desktop Hard Drive1,328$119Compare

All Hard Drives · JSON

Cite this page: Hardware Spec Index, “Mirenta HD-3681 Prime 4TB 5,400 RPM CMR Surveillance Hard Drive”, https://vextor7.com/item/73031054 (accessed 2026-10-26).