Hardware Spec Index

Novexa HD-9847 Ultra 20TB 7,200 RPM CMR NAS Hard Drive

Hard Drives · Novexa · SKU HD9847-ULTRA · Released 2023 · Updated 2026-10-21

Key facts

Benchmark index3,079 (Hard Drives scale)
Category rank#15,381
Street price$539
Power8 W
Performance per dollar5.71
Released2023

Specifications

BrandNovexa
ModelNovexa HD-9847 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-3777 Ti 4TB 5,400 RPM SMR Desktop Hard Drive1,126$89Compare
Mirenta HD-5397 SE 24TB 7,200 RPM CMR Enterprise Hard Drive2,905$559Compare
Mirenta HD-2701 Edge 16TB 7,200 RPM CMR Enterprise Hard Drive2,114$289Compare
Altrix HD-8406 XT 4TB 5,400 RPM CMR Surveillance Hard Drive822$59Compare
Novexa HD-5263 Ti 16TB 7,200 RPM CMR NAS Hard Drive2,395$299Compare
Mirenta HD-7415 SE 12TB 7,200 RPM CMR NAS Hard Drive1,975$259Compare

All Hard Drives · JSON

Cite this page: Hardware Spec Index, “Novexa HD-9847 Ultra 20TB 7,200 RPM CMR NAS Hard Drive”, https://vextor7.com/item/969126 (accessed 2026-10-21).