Hardware Spec Index

Mirenta HD-3975 Ultra 12TB 7,200 RPM CMR NAS Hard Drive

Hard Drives · Mirenta · SKU HD3975-ULTRA · Released 2024 · Updated 2026-10-21

Key facts

Benchmark index2,381 (Hard Drives scale)
Category rank#31,626
Street price$409
Power7 W
Performance per dollar5.82
Released2024

Specifications

BrandMirenta
ModelMirenta HD-3975 Ultra
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
Altrix HD-4916 SE 6TB 5,400 RPM CMR NAS Hard Drive1,088$79Compare
Altrix HD-9070 Ultra 6TB 5,400 RPM CMR NAS Hard Drive1,373$119Compare
Mirenta HD-3748 Ti 8TB 7,200 RPM CMR NAS Hard Drive1,657$149Compare
Novexa HD-5278 Edge 6TB 5,400 RPM CMR Surveillance Hard Drive1,273$119Compare
Mirenta HD-8083 SE 20TB 7,200 RPM CMR Enterprise Hard Drive3,100$519Compare
Altrix HD-7879 Pro 20TB 7,200 RPM CMR NAS Hard Drive2,696$389Compare

All Hard Drives · JSON

Cite this page: Hardware Spec Index, “Mirenta HD-3975 Ultra 12TB 7,200 RPM CMR NAS Hard Drive”, https://vextor7.com/item/6524006 (accessed 2026-10-21).