Hardware Spec Index

Mirenta HD-7644 Ultra 6TB 5,400 RPM CMR NAS Hard Drive

Hard Drives · Mirenta · SKU HD7644-ULTRA · Released 2020 · Updated 2026-10-20

Key facts

Benchmark index1,026 (Hard Drives scale)
Category rank#35,012
Street price$79
Power5 W
Performance per dollar12.99
Released2020

Specifications

BrandMirenta
ModelMirenta HD-7644 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-7644 Ultra 6TB 5,400 RPM CMR NAS Hard Drive”, https://vextor7.com/item/6994753 (accessed 2026-10-20).