Hardware Spec Index

Mirenta HD-4821 Ultra 6TB 5,400 RPM CMR NAS Hard Drive

Hard Drives · Mirenta · SKU HD4821-ULTRA · Released 2026 · Updated 2026-10-26

Key facts

Benchmark index1,084 (Hard Drives scale)
Category rank#25,840
Street price$69
Power5 W
Performance per dollar15.71
Released2026

Specifications

BrandMirenta
ModelMirenta HD-4821 Ultra
Capacity6 TB
ClassNAS
RecordingCMR (conventional magnetic recording)
Spindle speed5,400 RPM
Cache256 MB
InterfaceSATA 6 Gb/s
Sustained transfer190 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-4821 Ultra 6TB 5,400 RPM CMR NAS Hard Drive”, https://vextor7.com/item/16337283 (accessed 2026-10-26).