Hardware Spec Index

Mirenta HD-4991 Ti 2TB 5,400 RPM CMR Surveillance Hard Drive

Hard Drives · Mirenta · SKU HD4991-TI · Released 2024 · Updated 2026-10-21

Key facts

Benchmark index832 (Hard Drives scale)
Category rank#5,025
Street price$59
Power4 W
Performance per dollar14.10
Released2024

Specifications

BrandMirenta
ModelMirenta HD-4991 Ti
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

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Cite this page: Hardware Spec Index, “Mirenta HD-4991 Ti 2TB 5,400 RPM CMR Surveillance Hard Drive”, https://vextor7.com/item/3937272 (accessed 2026-10-21).