Hardware Spec Index

Novexa HD-3947 Plus 4TB 5,400 RPM CMR Surveillance Hard Drive

Hard Drives · Novexa · SKU HD3947-PLUS · Released 2024 · Updated 2026-10-25

Key facts

Benchmark index962 (Hard Drives scale)
Category rank#42,327
Street price$59
Power5 W
Performance per dollar16.31
Released2024

Specifications

BrandNovexa
ModelNovexa HD-3947 Plus
Capacity4 TB
ClassSurveillance
RecordingCMR (conventional magnetic recording)
Spindle speed5,400 RPM
Cache256 MB
InterfaceSATA 6 Gb/s
Sustained transfer180 MB/s
Workload rating180 TB/year
MTBF1 million hours
Helium-filledNo
Warranty2 years

Related guides

CMR vs SMR Hard DrivesNAS RAID Levels Explained

Similar Hard Drives

ModelBenchmarkPriceCompare
Mirenta HD-8559 Pro 4TB 5,400 RPM SMR Desktop Hard Drive864$69Compare
Novexa HD-5580 Ultra 16TB 7,200 RPM CMR NAS Hard Drive2,672$529Compare
Novexa HD-8883 SE 12TB 7,200 RPM CMR Surveillance Hard Drive2,194$329Compare
Strivon HD-5863 Max 6TB 5,400 RPM CMR Surveillance Hard Drive1,608$159Compare
Novexa HD-7873 XT 4TB 5,400 RPM CMR Surveillance Hard Drive1,226$89Compare
Altrix HD-6064 Plus 2TB 5,400 RPM CMR Surveillance Hard Drive688$49Compare

All Hard Drives · JSON

Cite this page: Hardware Spec Index, “Novexa HD-3947 Plus 4TB 5,400 RPM CMR Surveillance Hard Drive”, https://vextor7.com/item/8157264 (accessed 2026-10-25).