Hardware Spec Index

Mirenta HD-8421 Prime 8TB 7,200 RPM SMR Desktop Hard Drive

Hard Drives · Mirenta · SKU HD8421-PRIME · Released 2026 · Updated 2026-10-24

Key facts

Benchmark index1,914 (Hard Drives scale)
Category rank#25,822
Street price$239
Power6 W
Performance per dollar8.01
Released2026

Specifications

BrandMirenta
ModelMirenta HD-8421 Prime
Capacity8 TB
ClassDesktop
RecordingSMR (shingled 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

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Cite this page: Hardware Spec Index, “Mirenta HD-8421 Prime 8TB 7,200 RPM SMR Desktop Hard Drive”, https://vextor7.com/item/7632969 (accessed 2026-10-24).