Hardware Spec Index

Mirenta HD-7521 Prime 4TB 5,400 RPM CMR Desktop Hard Drive

Hard Drives · Mirenta · SKU HD7521-PRIME · Released 2023 · Updated 2026-10-22

Key facts

Benchmark index1,211 (Hard Drives scale)
Category rank#23,422
Street price$99
Power5 W
Performance per dollar12.23
Released2023

Specifications

BrandMirenta
ModelMirenta HD-7521 Prime
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

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Cite this page: Hardware Spec Index, “Mirenta HD-7521 Prime 4TB 5,400 RPM CMR Desktop Hard Drive”, https://vextor7.com/item/4525065 (accessed 2026-10-22).