Hardware Spec Index

Mirenta HD-6921 SE 4TB 5,400 RPM CMR Desktop Hard Drive

Hard Drives · Mirenta · SKU HD6921-SE · Released 2022 · Updated 2026-10-18

Key facts

Benchmark index878 (Hard Drives scale)
Category rank#744
Street price$59
Power5 W
Performance per dollar14.88
Released2022

Specifications

BrandMirenta
ModelMirenta HD-6921 SE
Capacity4 TB
ClassDesktop
RecordingCMR (conventional magnetic recording)
Spindle speed5,400 RPM
Cache256 MB
InterfaceSATA 6 Gb/s
Sustained transfer180 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-1572 Ultra 2TB 5,400 RPM CMR Surveillance Hard Drive750$59Compare
Altrix HD-7321 Ti 20TB 7,200 RPM CMR Enterprise Hard Drive2,519$489Compare
Strivon HD-8193 Ultra 2TB 5,400 RPM CMR Surveillance Hard Drive813$59Compare
Mirenta HD-8039 Edge 16TB 7,200 RPM CMR NAS Hard Drive2,022$259Compare
Mirenta HD-5194 XT 28TB 7,200 RPM CMR Enterprise Hard Drive2,657$439Compare
Novexa HD-2028 Ultra 8TB 7,200 RPM CMR NAS Hard Drive1,821$249Compare

All Hard Drives · JSON

Cite this page: Hardware Spec Index, “Mirenta HD-6921 SE 4TB 5,400 RPM CMR Desktop Hard Drive”, https://vextor7.com/item/255472 (accessed 2026-10-18).