Hardware Spec Index

Mirenta HD-2856 Ti 4TB 5,400 RPM CMR Surveillance Hard Drive

Hard Drives · Mirenta · SKU HD2856-TI · Released 2021 · Updated 2026-10-22

Key facts

Benchmark index1,076 (Hard Drives scale)
Category rank#5,691
Street price$89
Power5 W
Performance per dollar12.09
Released2021

Specifications

BrandMirenta
ModelMirenta HD-2856 Ti
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-9027 Pro 6TB 5,400 RPM CMR Surveillance Hard Drive1,769$199Compare
Strivon HD-6685 Plus 24TB 7,200 RPM CMR NAS Hard Drive2,253$319Compare
Strivon HD-8125 Core 4TB 5,400 RPM CMR Surveillance Hard Drive602$49Compare
Altrix HD-8421 Max 4TB 5,400 RPM SMR Desktop Hard Drive1,258$99Compare
Mirenta HD-9739 Plus 28TB 7,200 RPM CMR NAS Hard Drive2,760$469Compare
Altrix HD-6189 Max 16TB 7,200 RPM CMR NAS Hard Drive2,292$369Compare

All Hard Drives · JSON

Cite this page: Hardware Spec Index, “Mirenta HD-2856 Ti 4TB 5,400 RPM CMR Surveillance Hard Drive”, https://vextor7.com/item/7844951 (accessed 2026-10-22).