Hardware Spec Index

Novexa HD-6647 XT 4TB 5,400 RPM CMR Surveillance Hard Drive

Hard Drives · Novexa · SKU HD6647-XT · Released 2020 · Updated 2026-10-25

Key facts

Benchmark index966 (Hard Drives scale)
Category rank#13,637
Street price$69
Power5 W
Performance per dollar14.00
Released2020

Specifications

BrandNovexa
ModelNovexa HD-6647 XT
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
Strivon HD-9060 Max 8TB 7,200 RPM SMR Desktop Hard Drive1,386$139Compare
Novexa HD-1855 Pro 16TB 7,200 RPM CMR Enterprise Hard Drive2,650$479Compare
Novexa HD-4898 Ti 24TB 7,200 RPM CMR Enterprise Hard Drive2,631$389Compare
Altrix HD-8685 SE 6TB 5,400 RPM CMR NAS Hard Drive1,434$159Compare
Strivon HD-1754 Pro 20TB 7,200 RPM CMR Enterprise Hard Drive2,553$379Compare
Novexa HD-7761 Ultra 6TB 5,400 RPM CMR NAS Hard Drive1,526$159Compare

All Hard Drives · JSON

Cite this page: Hardware Spec Index, “Novexa HD-6647 XT 4TB 5,400 RPM CMR Surveillance Hard Drive”, https://vextor7.com/item/2051847 (accessed 2026-10-25).