Hardware Spec Index

Mirenta HD-6946 SE 20TB 7,200 RPM CMR NAS Hard Drive

Hard Drives · Mirenta · SKU HD6946-SE · Released 2020 · Updated 2026-10-20

Key facts

Benchmark index2,703 (Hard Drives scale)
Category rank#13,555
Street price$529
Power8 W
Performance per dollar5.11
Released2020

Specifications

BrandMirenta
ModelMirenta HD-6946 SE
Capacity20 TB
ClassNAS
RecordingCMR (conventional magnetic recording)
Spindle speed7,200 RPM
Cache512 MB
InterfaceSATA 6 Gb/s
Sustained transfer280 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
Novexa HD-9171 Max 8TB 7,200 RPM CMR Desktop Hard Drive1,473$139Compare
Mirenta HD-6855 Prime 2TB 5,400 RPM CMR Surveillance Hard Drive732$59Compare
Altrix HD-6663 Prime 4TB 5,400 RPM SMR Desktop Hard Drive937$69Compare
Strivon HD-3815 Ti 8TB 7,200 RPM SMR Desktop Hard Drive1,977$259Compare
Strivon HD-2068 Pro 16TB 7,200 RPM CMR Enterprise Hard Drive2,606$429Compare
Mirenta HD-4099 Plus 12TB 7,200 RPM CMR NAS Hard Drive1,703$159Compare

All Hard Drives · JSON

Cite this page: Hardware Spec Index, “Mirenta HD-6946 SE 20TB 7,200 RPM CMR NAS Hard Drive”, https://vextor7.com/item/8548418 (accessed 2026-10-20).