Hardware Spec Index

Novexa HD-6621 XT 4TB 5,400 RPM CMR Surveillance Hard Drive

Hard Drives · Novexa · SKU HD6621-XT · Released 2019 · Updated 2026-10-25

Key facts

Benchmark index726 (Hard Drives scale)
Category rank#4,485
Street price$59
Power5 W
Performance per dollar12.31
Released2019

Specifications

BrandNovexa
ModelNovexa HD-6621 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
Novexa HD-7347 Plus 24TB 7,200 RPM CMR Enterprise Hard Drive2,932$599Compare
Strivon HD-6001 XT 8TB 7,200 RPM CMR NAS Hard Drive1,176$99Compare
Strivon HD-8825 Ultra 4TB 5,400 RPM SMR Desktop Hard Drive1,327$99Compare
Altrix HD-1228 Ti 4TB 5,400 RPM CMR Surveillance Hard Drive853$69Compare
Strivon HD-6994 Core 12TB 7,200 RPM CMR Desktop Hard Drive2,461$339Compare
Altrix HD-5036 Plus 4TB 5,400 RPM CMR Surveillance Hard Drive1,618$139Compare

All Hard Drives · JSON

Cite this page: Hardware Spec Index, “Novexa HD-6621 XT 4TB 5,400 RPM CMR Surveillance Hard Drive”, https://vextor7.com/item/52329860 (accessed 2026-10-25).