Hardware Spec Index

Mirenta HD-3421 Ultra 8TB 7,200 RPM CMR Desktop Hard Drive

Hard Drives · Mirenta · SKU HD3421-ULTRA · Released 2022 · Updated 2026-10-25

Key facts

Benchmark index1,533 (Hard Drives scale)
Category rank#1,863
Street price$149
Power6 W
Performance per dollar10.29
Released2022

Specifications

BrandMirenta
ModelMirenta HD-3421 Ultra
Capacity8 TB
ClassDesktop
RecordingCMR (conventional magnetic recording)
Spindle speed7,200 RPM
Cache256 MB
InterfaceSATA 6 Gb/s
Sustained transfer220 MB/s
Workload rating180 TB/year
MTBF1 million hours
Helium-filledNo
Warranty2 years

Related guides

CMR vs SMR Hard DrivesNAS RAID Levels Explained

Similar Hard Drives

ModelBenchmarkPriceCompare
Novexa HD-1772 SE 24TB 7,200 RPM CMR Enterprise Hard Drive2,813$549Compare
Strivon HD-1769 Plus 24TB 7,200 RPM CMR NAS Hard Drive3,100$529Compare
Strivon HD-9888 Edge 12TB 7,200 RPM CMR Surveillance Hard Drive1,643$179Compare
Strivon HD-3935 Ultra 12TB 7,200 RPM CMR Desktop Hard Drive2,123$329Compare
Novexa HD-7427 Plus 24TB 7,200 RPM CMR Enterprise Hard Drive3,100$549Compare
Novexa HD-8018 XT 20TB 7,200 RPM CMR Enterprise Hard Drive2,827$489Compare

All Hard Drives · JSON

Cite this page: Hardware Spec Index, “Mirenta HD-3421 Ultra 8TB 7,200 RPM CMR Desktop Hard Drive”, https://vextor7.com/item/21756607 (accessed 2026-10-25).