Hardware Spec Index

Novexa HD-3251 SE 20TB 7,200 RPM CMR NAS Hard Drive

Hard Drives · Novexa · SKU HD3251-SE · Released 2021 · Updated 2026-10-20

Key facts

Benchmark index2,925 (Hard Drives scale)
Category rank#37,730
Street price$529
Power8 W
Performance per dollar5.53
Released2021

Specifications

BrandNovexa
ModelNovexa HD-3251 SE
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-6643 Core 20TB 7,200 RPM CMR Enterprise Hard Drive2,428$399Compare
Novexa HD-2116 XT 6TB 5,400 RPM CMR Surveillance Hard Drive1,450$139Compare
Novexa HD-3057 Prime 2TB 5,400 RPM SMR Desktop Hard Drive644$49Compare
Altrix HD-3443 Core 8TB 7,200 RPM CMR NAS Hard Drive1,860$219Compare
Mirenta HD-2455 Ultra 20TB 7,200 RPM CMR NAS Hard Drive2,334$369Compare
Novexa HD-1598 Edge 20TB 7,200 RPM CMR NAS Hard Drive3,016$559Compare

All Hard Drives · JSON

Cite this page: Hardware Spec Index, “Novexa HD-3251 SE 20TB 7,200 RPM CMR NAS Hard Drive”, https://vextor7.com/item/7199396 (accessed 2026-10-20).