Hardware Spec Index

Mirenta HD-9947 Ti 12TB 7,200 RPM CMR NAS Hard Drive

Hard Drives · Mirenta · SKU HD9947-TI · Released 2025 · Updated 2026-10-24

Key facts

Benchmark index2,177 (Hard Drives scale)
Category rank#41,335
Street price$319
Power7 W
Performance per dollar6.82
Released2025

Specifications

BrandMirenta
ModelMirenta HD-9947 Ti
Capacity12 TB
ClassNAS
RecordingCMR (conventional magnetic recording)
Spindle speed7,200 RPM
Cache512 MB
InterfaceSATA 6 Gb/s
Sustained transfer240 MB/s
Workload rating300 TB/year
MTBF1.2 million hours
Helium-filledYes
Warranty3 years

Related guides

CMR vs SMR Hard DrivesNAS RAID Levels Explained

Similar Hard Drives

ModelBenchmarkPriceCompare
Strivon HD-1988 SE 16TB 7,200 RPM CMR Enterprise Hard Drive2,432$379Compare
Mirenta HD-5714 XT 4TB 5,400 RPM CMR Surveillance Hard Drive1,570$139Compare
Mirenta HD-7119 Plus 8TB 7,200 RPM CMR Surveillance Hard Drive1,291$129Compare
Novexa HD-3193 Prime 8TB 7,200 RPM CMR Surveillance Hard Drive1,388$129Compare
Mirenta HD-7153 SE 20TB 7,200 RPM CMR NAS Hard Drive2,901$539Compare
Strivon HD-1032 Plus 6TB 5,400 RPM SMR Desktop Hard Drive1,386$119Compare

All Hard Drives · JSON

Cite this page: Hardware Spec Index, “Mirenta HD-9947 Ti 12TB 7,200 RPM CMR NAS Hard Drive”, https://vextor7.com/item/92434319 (accessed 2026-10-24).