Hardware Spec Index

Mirenta HD-7841 Ultra 20TB 7,200 RPM CMR NAS Hard Drive

Hard Drives · Mirenta · SKU HD7841-ULTRA · Released 2020 · Updated 2026-10-23

Key facts

Benchmark index2,947 (Hard Drives scale)
Category rank#7,235
Street price$549
Power8 W
Performance per dollar5.37
Released2020

Specifications

BrandMirenta
ModelMirenta HD-7841 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
Strivon HD-8190 Plus 24TB 7,200 RPM CMR NAS Hard Drive2,950$599Compare
Altrix HD-1600 Prime 20TB 7,200 RPM CMR Enterprise Hard Drive2,547$439Compare
Mirenta HD-4499 Ultra 2TB 5,400 RPM CMR Surveillance Hard Drive954$69Compare
Mirenta HD-7953 Prime 2TB 5,400 RPM CMR Surveillance Hard Drive821$59Compare
Strivon HD-4017 Edge 16TB 7,200 RPM CMR Enterprise Hard Drive1,781$219Compare
Strivon HD-7615 Max 24TB 7,200 RPM CMR Enterprise Hard Drive3,035$599Compare

All Hard Drives · JSON

Cite this page: Hardware Spec Index, “Mirenta HD-7841 Ultra 20TB 7,200 RPM CMR NAS Hard Drive”, https://vextor7.com/item/41312255 (accessed 2026-10-23).