Hardware Spec Index

Mirenta HD-4221 Prime 8TB 7,200 RPM CMR NAS Hard Drive

Hard Drives · Mirenta · SKU HD4221-PRIME · Released 2024 · Updated 2026-10-19

Key facts

Benchmark index1,796 (Hard Drives scale)
Category rank#38,197
Street price$199
Power6 W
Performance per dollar9.03
Released2024

Specifications

BrandMirenta
ModelMirenta HD-4221 Prime
Capacity8 TB
ClassNAS
RecordingCMR (conventional magnetic recording)
Spindle speed7,200 RPM
Cache256 MB
InterfaceSATA 6 Gb/s
Sustained transfer220 MB/s
Workload rating300 TB/year
MTBF1.2 million hours
Helium-filledNo
Warranty3 years

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Cite this page: Hardware Spec Index, “Mirenta HD-4221 Prime 8TB 7,200 RPM CMR NAS Hard Drive”, https://vextor7.com/item/5961789 (accessed 2026-10-19).