Hardware Spec Index

Mirenta HD-4846 Ultra 20TB 7,200 RPM CMR NAS Hard Drive

Hard Drives · Mirenta · SKU HD4846-ULTRA · Released 2023 · Updated 2026-10-20

Key facts

Benchmark index3,100 (Hard Drives scale)
Category rank#31,981
Street price$529
Power8 W
Performance per dollar5.86
Released2023

Specifications

BrandMirenta
ModelMirenta HD-4846 Ultra
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
Altrix HD-5508 Ultra 4TB 5,400 RPM CMR Desktop Hard Drive662$59Compare
Mirenta HD-9338 Max 28TB 7,200 RPM CMR Enterprise Hard Drive2,927$599Compare
Mirenta HD-1653 XT 20TB 7,200 RPM CMR Enterprise Hard Drive2,141$309Compare
Strivon HD-3714 Ultra 4TB 5,400 RPM SMR Desktop Hard Drive1,341$129Compare
Strivon HD-1734 Core 12TB 7,200 RPM CMR Surveillance Hard Drive2,073$259Compare
Mirenta HD-4788 Pro 4TB 5,400 RPM CMR Surveillance Hard Drive764$59Compare

All Hard Drives · JSON

Cite this page: Hardware Spec Index, “Mirenta HD-4846 Ultra 20TB 7,200 RPM CMR NAS Hard Drive”, https://vextor7.com/item/20056684 (accessed 2026-10-20).