Hardware Spec Index

Mirenta HD-4491 Prime 6TB 5,400 RPM CMR Surveillance Hard Drive

Hard Drives · Mirenta · SKU HD4491-PRIME · Released 2022 · Updated 2026-10-20

Key facts

Benchmark index1,383 (Hard Drives scale)
Category rank#36,550
Street price$109
Power5 W
Performance per dollar12.69
Released2022

Specifications

BrandMirenta
ModelMirenta HD-4491 Prime
Capacity6 TB
ClassSurveillance
RecordingCMR (conventional magnetic recording)
Spindle speed5,400 RPM
Cache256 MB
InterfaceSATA 6 Gb/s
Sustained transfer190 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-6976 XT 12TB 7,200 RPM CMR NAS Hard Drive1,639$169Compare
Novexa HD-1468 Edge 6TB 5,400 RPM CMR NAS Hard Drive947$79Compare
Mirenta HD-8231 XT 4TB 5,400 RPM SMR Desktop Hard Drive1,088$79Compare
Altrix HD-5562 Plus 4TB 5,400 RPM CMR Desktop Hard Drive1,307$99Compare
Mirenta HD-9969 Core 6TB 5,400 RPM SMR Desktop Hard Drive1,514$159Compare
Mirenta HD-7102 Core 12TB 7,200 RPM CMR NAS Hard Drive1,663$179Compare

All Hard Drives · JSON

Cite this page: Hardware Spec Index, “Mirenta HD-4491 Prime 6TB 5,400 RPM CMR Surveillance Hard Drive”, https://vextor7.com/item/8554381 (accessed 2026-10-20).