Hardware Spec Index

Mirenta HD-5121 SE 12TB 7,200 RPM CMR Surveillance Hard Drive

Hard Drives · Mirenta · SKU HD5121-SE · Released 2023 · Updated 2026-10-25

Key facts

Benchmark index1,958 (Hard Drives scale)
Category rank#40,262
Street price$219
Power7 W
Performance per dollar8.94
Released2023

Specifications

BrandMirenta
ModelMirenta HD-5121 SE
Capacity12 TB
ClassSurveillance
RecordingCMR (conventional magnetic recording)
Spindle speed7,200 RPM
Cache512 MB
InterfaceSATA 6 Gb/s
Sustained transfer240 MB/s
Workload rating180 TB/year
MTBF1 million hours
Helium-filledYes
Warranty2 years

Related guides

CMR vs SMR Hard DrivesNAS RAID Levels Explained

Similar Hard Drives

ModelBenchmarkPriceCompare
Novexa HD-9134 Prime 4TB 5,400 RPM CMR Desktop Hard Drive1,072$99Compare
Altrix HD-2705 SE 8TB 7,200 RPM CMR NAS Hard Drive1,631$159Compare
Strivon HD-8058 SE 2TB 5,400 RPM CMR Surveillance Hard Drive848$69Compare
Mirenta HD-7133 SE 16TB 7,200 RPM CMR NAS Hard Drive2,119$259Compare
Mirenta HD-6986 Ultra 12TB 7,200 RPM SMR Desktop Hard Drive1,793$179Compare
Mirenta HD-6839 Ultra 4TB 5,400 RPM CMR Surveillance Hard Drive879$59Compare

All Hard Drives · JSON

Cite this page: Hardware Spec Index, “Mirenta HD-5121 SE 12TB 7,200 RPM CMR Surveillance Hard Drive”, https://vextor7.com/item/54771995 (accessed 2026-10-25).