Hardware Spec Index

Novexa HD-9621 Ultra 20TB 7,200 RPM CMR NAS Hard Drive

Hard Drives · Novexa · SKU HD9621-ULTRA · Released 2022 · Updated 2026-10-26

Key facts

Benchmark index2,673 (Hard Drives scale)
Category rank#46,319
Street price$399
Power8 W
Performance per dollar6.70
Released2022

Specifications

BrandNovexa
ModelNovexa HD-9621 Ultra
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-2540 Ti 24TB 7,200 RPM CMR NAS Hard Drive2,304$299Compare
Mirenta HD-9100 SE 6TB 5,400 RPM CMR NAS Hard Drive1,550$149Compare
Novexa HD-4693 Core 6TB 5,400 RPM CMR NAS Hard Drive1,432$129Compare
Novexa HD-5705 SE 20TB 7,200 RPM CMR Enterprise Hard Drive3,100$599Compare
Mirenta HD-6806 XT 4TB 5,400 RPM CMR Surveillance Hard Drive690$59Compare
Altrix HD-8612 Core 16TB 7,200 RPM CMR NAS Hard Drive2,027$249Compare

All Hard Drives · JSON

Cite this page: Hardware Spec Index, “Novexa HD-9621 Ultra 20TB 7,200 RPM CMR NAS Hard Drive”, https://vextor7.com/item/1704737 (accessed 2026-10-26).