Hardware Spec Index

Mirenta HD-6643 Edge 20TB 7,200 RPM CMR NAS Hard Drive

Hard Drives · Mirenta · SKU HD6643-EDGE · Released 2023 · Updated 2026-10-23

Key facts

Benchmark index2,138 (Hard Drives scale)
Category rank#4,824
Street price$349
Power8 W
Performance per dollar6.13
Released2023

Specifications

BrandMirenta
ModelMirenta HD-6643 Edge
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
Altrix HD-3343 Max 16TB 7,200 RPM CMR Enterprise Hard Drive2,475$379Compare
Altrix HD-4635 Prime 20TB 7,200 RPM CMR NAS Hard Drive2,669$419Compare
Mirenta HD-1719 SE 12TB 7,200 RPM CMR Desktop Hard Drive2,147$309Compare
Mirenta HD-7338 SE 4TB 5,400 RPM CMR Desktop Hard Drive1,034$79Compare
Strivon HD-8464 Ti 20TB 7,200 RPM CMR Enterprise Hard Drive2,636$439Compare
Altrix HD-4460 Max 8TB 7,200 RPM CMR Surveillance Hard Drive1,225$109Compare

All Hard Drives · JSON

Cite this page: Hardware Spec Index, “Mirenta HD-6643 Edge 20TB 7,200 RPM CMR NAS Hard Drive”, https://vextor7.com/item/94552747 (accessed 2026-10-23).