Hardware Spec Index

Novexa HD-3656 Prime 20TB 7,200 RPM CMR NAS Hard Drive

Hard Drives · Novexa · SKU HD3656-PRIME · Released 2019 · Updated 2026-10-24

Key facts

Benchmark index2,275 (Hard Drives scale)
Category rank#18,125
Street price$339
Power8 W
Performance per dollar6.71
Released2019

Specifications

BrandNovexa
ModelNovexa HD-3656 Prime
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
Altrix HD-6913 Edge 8TB 7,200 RPM CMR Surveillance Hard Drive1,892$219Compare
Mirenta HD-4278 Plus 8TB 7,200 RPM CMR NAS Hard Drive1,339$119Compare
Altrix HD-4767 Ti 4TB 5,400 RPM CMR Surveillance Hard Drive1,054$69Compare
Novexa HD-6356 Edge 12TB 7,200 RPM CMR Desktop Hard Drive2,205$259Compare
Mirenta HD-6891 Plus 2TB 5,400 RPM CMR Surveillance Hard Drive814$59Compare
Altrix HD-2397 Max 16TB 7,200 RPM CMR NAS Hard Drive2,036$279Compare

All Hard Drives · JSON

Cite this page: Hardware Spec Index, “Novexa HD-3656 Prime 20TB 7,200 RPM CMR NAS Hard Drive”, https://vextor7.com/item/4170240 (accessed 2026-10-24).