Hardware Spec Index

Strivon HD-3939 Ultra 20TB 7,200 RPM CMR NAS Hard Drive

Hard Drives · Strivon · SKU HD3939-ULTRA · Released 2021 · Updated 2026-10-21

Key facts

Benchmark index2,849 (Hard Drives scale)
Category rank#5,924
Street price$489
Power8 W
Performance per dollar5.83
Released2021

Specifications

BrandStrivon
ModelStrivon HD-3939 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-5890 Ultra 24TB 7,200 RPM CMR Enterprise Hard Drive3,100$599Compare
Altrix HD-7453 Edge 4TB 5,400 RPM SMR Desktop Hard Drive1,062$79Compare
Altrix HD-2247 Edge 8TB 7,200 RPM CMR Surveillance Hard Drive1,715$189Compare
Mirenta HD-9630 Core 16TB 7,200 RPM CMR Enterprise Hard Drive2,273$339Compare
Altrix HD-9408 SE 24TB 7,200 RPM CMR Enterprise Hard Drive2,840$539Compare
Novexa HD-7772 Ultra 24TB 7,200 RPM CMR NAS Hard Drive2,900$499Compare

All Hard Drives · JSON

Cite this page: Hardware Spec Index, “Strivon HD-3939 Ultra 20TB 7,200 RPM CMR NAS Hard Drive”, https://vextor7.com/item/1127345 (accessed 2026-10-21).