Hardware Spec Index

Mirenta HD-9647 Ultra 28TB 7,200 RPM CMR Enterprise Hard Drive

Hard Drives · Mirenta · SKU HD9647-ULTRA · Released 2025 · Updated 2026-10-22

Key facts

Benchmark index2,772 (Hard Drives scale)
Category rank#29,572
Street price$549
Power9 W
Performance per dollar5.05
Released2025

Specifications

BrandMirenta
ModelMirenta HD-9647 Ultra
Capacity28 TB
ClassEnterprise
RecordingCMR (conventional magnetic recording)
Spindle speed7,200 RPM
Cache512 MB
InterfaceSAS 12 Gb/s
Sustained transfer320 MB/s
Workload rating550 TB/year
MTBF2.5 million hours
Helium-filledYes
Warranty5 years

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Cite this page: Hardware Spec Index, “Mirenta HD-9647 Ultra 28TB 7,200 RPM CMR Enterprise Hard Drive”, https://vextor7.com/item/5809206 (accessed 2026-10-22).