Hardware Spec Index

Strivon HD-9478 Ultra 20TB 7,200 RPM CMR Enterprise Hard Drive

Hard Drives · Strivon · SKU HD9478-ULTRA · Released 2020 · Updated 2026-10-23

Key facts

Benchmark index2,879 (Hard Drives scale)
Category rank#49,435
Street price$469
Power8 W
Performance per dollar6.14
Released2020

Specifications

BrandStrivon
ModelStrivon HD-9478 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
Altrix HD-1923 XT 6TB 5,400 RPM CMR Surveillance Hard Drive1,564$169Compare
Mirenta HD-9963 Edge 2TB 5,400 RPM CMR Surveillance Hard Drive822$59Compare
Strivon HD-7617 Prime 12TB 7,200 RPM CMR Surveillance Hard Drive1,797$219Compare
Mirenta HD-5786 SE 12TB 7,200 RPM CMR Desktop Hard Drive2,284$299Compare
Altrix HD-2022 Plus 16TB 7,200 RPM CMR NAS Hard Drive2,093$229Compare
Novexa HD-1187 Max 24TB 7,200 RPM CMR Enterprise Hard Drive2,884$529Compare

All Hard Drives · JSON

Cite this page: Hardware Spec Index, “Strivon HD-9478 Ultra 20TB 7,200 RPM CMR Enterprise Hard Drive”, https://vextor7.com/item/82889988 (accessed 2026-10-23).