Hardware Spec Index

Novexa HD-3658 Ultra 20TB 7,200 RPM CMR NAS Hard Drive

Hard Drives · Novexa · SKU HD3658-ULTRA · Released 2023 · Updated 2026-10-24

Key facts

Benchmark index2,280 (Hard Drives scale)
Category rank#26,347
Street price$299
Power8 W
Performance per dollar7.63
Released2023

Specifications

BrandNovexa
ModelNovexa HD-3658 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
Mirenta HD-2063 Prime 12TB 7,200 RPM CMR NAS Hard Drive1,847$229Compare
Strivon HD-6096 Pro 16TB 7,200 RPM CMR NAS Hard Drive1,863$219Compare
Altrix HD-3911 Pro 20TB 7,200 RPM CMR Enterprise Hard Drive2,384$359Compare
Strivon HD-8623 Max 20TB 7,200 RPM CMR Enterprise Hard Drive2,208$339Compare
Mirenta HD-9787 Edge 12TB 7,200 RPM SMR Desktop Hard Drive1,884$189Compare
Mirenta HD-3182 Ultra 8TB 7,200 RPM CMR NAS Hard Drive1,697$179Compare

All Hard Drives · JSON

Cite this page: Hardware Spec Index, “Novexa HD-3658 Ultra 20TB 7,200 RPM CMR NAS Hard Drive”, https://vextor7.com/item/92431295 (accessed 2026-10-24).