Hardware Spec Index

Mirenta HD-8666 Edge 20TB 7,200 RPM CMR Enterprise Hard Drive

Hard Drives · Mirenta · SKU HD8666-EDGE · Released 2019 · Updated 2026-10-25

Key facts

Benchmark index3,082 (Hard Drives scale)
Category rank#4,689
Street price$519
Power8 W
Performance per dollar5.94
Released2019

Specifications

BrandMirenta
ModelMirenta HD-8666 Edge
Capacity20 TB
ClassEnterprise
RecordingCMR (conventional magnetic recording)
Spindle speed7,200 RPM
Cache512 MB
InterfaceSATA 6 Gb/s
Sustained transfer280 MB/s
Workload rating550 TB/year
MTBF2.5 million hours
Helium-filledYes
Warranty5 years

Related guides

CMR vs SMR Hard DrivesNAS RAID Levels Explained

Similar Hard Drives

ModelBenchmarkPriceCompare
Altrix HD-5075 SE 8TB 7,200 RPM CMR Surveillance Hard Drive1,889$199Compare
Strivon HD-6908 Plus 12TB 7,200 RPM CMR Desktop Hard Drive2,102$249Compare
Mirenta HD-8209 Max 16TB 7,200 RPM CMR NAS Hard Drive1,945$229Compare
Altrix HD-3959 Ti 24TB 7,200 RPM CMR NAS Hard Drive2,439$429Compare
Mirenta HD-4207 Max 16TB 7,200 RPM CMR Enterprise Hard Drive2,131$339Compare
Altrix HD-5083 Max 4TB 5,400 RPM SMR Desktop Hard Drive1,252$99Compare

All Hard Drives · JSON

Cite this page: Hardware Spec Index, “Mirenta HD-8666 Edge 20TB 7,200 RPM CMR Enterprise Hard Drive”, https://vextor7.com/item/5333859 (accessed 2026-10-25).