Hardware Spec Index

Novexa HD-9421 Pro 4TB 5,400 RPM CMR Surveillance Hard Drive

Hard Drives · Novexa · SKU HD9421-PRO · Released 2026 · Updated 2026-10-19

Key facts

Benchmark index1,261 (Hard Drives scale)
Category rank#15,783
Street price$89
Power5 W
Performance per dollar14.17
Released2026

Specifications

BrandNovexa
ModelNovexa HD-9421 Pro
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-3629 XT 2TB 5,400 RPM CMR Desktop Hard Drive861$69Compare
Novexa HD-2940 Max 16TB 7,200 RPM CMR NAS Hard Drive2,532$379Compare
Novexa HD-2170 Pro 12TB 7,200 RPM CMR Surveillance Hard Drive2,037$279Compare
Mirenta HD-1353 Prime 20TB 7,200 RPM CMR Enterprise Hard Drive2,176$309Compare
Altrix HD-5164 Plus 4TB 5,400 RPM SMR Desktop Hard Drive699$49Compare
Novexa HD-2417 Plus 4TB 5,400 RPM CMR Surveillance Hard Drive601$59Compare

All Hard Drives · JSON

Cite this page: Hardware Spec Index, “Novexa HD-9421 Pro 4TB 5,400 RPM CMR Surveillance Hard Drive”, https://vextor7.com/item/7069583 (accessed 2026-10-19).