Hardware Spec Index

Mirenta HD-7639 Ti 20TB 7,200 RPM CMR NAS Hard Drive

Hard Drives · Mirenta · SKU HD7639-TI · Released 2026 · Updated 2026-10-20

Key facts

Benchmark index2,246 (Hard Drives scale)
Category rank#49,005
Street price$329
Power8 W
Performance per dollar6.83
Released2026

Specifications

BrandMirenta
ModelMirenta HD-7639 Ti
Capacity20 TB
ClassNAS
RecordingCMR (conventional magnetic recording)
Spindle speed7,200 RPM
Cache512 MB
InterfaceSATA 6 Gb/s
Sustained transfer280 MB/s
Workload rating300 TB/year
MTBF1.2 million hours
Helium-filledYes
Warranty3 years

Related guides

CMR vs SMR Hard DrivesNAS RAID Levels Explained

Similar Hard Drives

ModelBenchmarkPriceCompare
Novexa HD-6471 Ultra 12TB 7,200 RPM CMR NAS Hard Drive1,576$149Compare
Mirenta HD-1738 Prime 16TB 7,200 RPM CMR NAS Hard Drive2,360$339Compare
Strivon HD-3089 Max 4TB 5,400 RPM SMR Desktop Hard Drive1,292$129Compare
Strivon HD-8836 Ti 16TB 7,200 RPM CMR NAS Hard Drive2,300$329Compare
Altrix HD-1080 Pro 4TB 5,400 RPM SMR Desktop Hard Drive851$69Compare
Altrix HD-8646 Edge 16TB 7,200 RPM CMR NAS Hard Drive2,413$309Compare

All Hard Drives · JSON

Cite this page: Hardware Spec Index, “Mirenta HD-7639 Ti 20TB 7,200 RPM CMR NAS Hard Drive”, https://vextor7.com/item/5464005 (accessed 2026-10-20).