Hardware Spec Index

Novexa HD-6425 Ultra 20TB 7,200 RPM CMR Enterprise Hard Drive

Hard Drives · Novexa · SKU HD6425-ULTRA · Released 2022 · Updated 2026-10-21

Key facts

Benchmark index2,333 (Hard Drives scale)
Category rank#20,843
Street price$299
Power8 W
Performance per dollar7.80
Released2022

Specifications

BrandNovexa
ModelNovexa HD-6425 Ultra
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
Strivon HD-8168 Pro 8TB 7,200 RPM CMR Desktop Hard Drive1,789$209Compare
Novexa HD-3250 Ultra 12TB 7,200 RPM SMR Desktop Hard Drive1,946$209Compare
Altrix HD-6534 Ti 24TB 7,200 RPM CMR Enterprise Hard Drive2,740$459Compare
Altrix HD-4315 Prime 4TB 5,400 RPM SMR Desktop Hard Drive935$69Compare
Mirenta HD-7321 Plus 20TB 7,200 RPM CMR NAS Hard Drive2,782$439Compare
Strivon HD-4726 Pro 20TB 7,200 RPM CMR NAS Hard Drive3,047$579Compare

All Hard Drives · JSON

Cite this page: Hardware Spec Index, “Novexa HD-6425 Ultra 20TB 7,200 RPM CMR Enterprise Hard Drive”, https://vextor7.com/item/46985774 (accessed 2026-10-21).