Hardware Spec Index

Mirenta HD-3947 Ultra 16TB 7,200 RPM CMR Enterprise Hard Drive

Hard Drives · Mirenta · SKU HD3947-ULTRA · Released 2021 · Updated 2026-10-25

Key facts

Benchmark index1,975 (Hard Drives scale)
Category rank#22,301
Street price$269
Power7 W
Performance per dollar7.34
Released2021

Specifications

BrandMirenta
ModelMirenta HD-3947 Ultra
Capacity16 TB
ClassEnterprise
RecordingCMR (conventional magnetic recording)
Spindle speed7,200 RPM
Cache512 MB
InterfaceSATA 6 Gb/s
Sustained transfer260 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-3947 Ultra 16TB 7,200 RPM CMR Enterprise Hard Drive”, https://vextor7.com/item/54777987 (accessed 2026-10-25).