Hardware Spec Index

Mirenta HD-5521 SE 12TB 7,200 RPM SMR Desktop Hard Drive

Hard Drives · Mirenta · SKU HD5521-SE · Released 2020 · Updated 2026-10-22

Key facts

Benchmark index2,570 (Hard Drives scale)
Category rank#40,949
Street price$419
Power7 W
Performance per dollar6.13
Released2020

Specifications

BrandMirenta
ModelMirenta HD-5521 SE
Capacity12 TB
ClassDesktop
RecordingSMR (shingled magnetic recording)
Spindle speed7,200 RPM
Cache512 MB
InterfaceSATA 6 Gb/s
Sustained transfer240 MB/s
Workload rating180 TB/year
MTBF1 million hours
Helium-filledYes
Warranty2 years

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Cite this page: Hardware Spec Index, “Mirenta HD-5521 SE 12TB 7,200 RPM SMR Desktop Hard Drive”, https://vextor7.com/item/28112967 (accessed 2026-10-22).