Hardware Spec Index

Novexa HD-9539 Ultra 20TB 7,200 RPM CMR NAS Hard Drive

Hard Drives · Novexa · SKU HD9539-ULTRA · Released 2021 · Updated 2026-10-20

Key facts

Benchmark index2,619 (Hard Drives scale)
Category rank#42,758
Street price$409
Power8 W
Performance per dollar6.40
Released2021

Specifications

BrandNovexa
ModelNovexa HD-9539 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

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Cite this page: Hardware Spec Index, “Novexa HD-9539 Ultra 20TB 7,200 RPM CMR NAS Hard Drive”, https://vextor7.com/item/92682375 (accessed 2026-10-20).