Hardware Spec Index

Novexa HD-8921 Ultra 6TB 5,400 RPM CMR Surveillance Hard Drive

Hard Drives · Novexa · SKU HD8921-ULTRA · Released 2020 · Updated 2026-10-19

Key facts

Benchmark index1,830 (Hard Drives scale)
Category rank#41,250
Street price$199
Power5 W
Performance per dollar9.20
Released2020

Specifications

BrandNovexa
ModelNovexa HD-8921 Ultra
Capacity6 TB
ClassSurveillance
RecordingCMR (conventional magnetic recording)
Spindle speed5,400 RPM
Cache256 MB
InterfaceSATA 6 Gb/s
Sustained transfer190 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-1606 Core 24TB 7,200 RPM CMR NAS Hard Drive2,722$469Compare
Altrix HD-8372 Edge 4TB 5,400 RPM CMR Surveillance Hard Drive710$59Compare
Strivon HD-8988 Ultra 8TB 7,200 RPM CMR Surveillance Hard Drive1,989$229Compare
Strivon HD-1658 Pro 12TB 7,200 RPM CMR Surveillance Hard Drive1,855$219Compare
Mirenta HD-3472 Prime 2TB 5,400 RPM CMR Surveillance Hard Drive1,098$89Compare
Strivon HD-2052 Ti 20TB 7,200 RPM CMR Enterprise Hard Drive2,069$279Compare

All Hard Drives · JSON

Cite this page: Hardware Spec Index, “Novexa HD-8921 Ultra 6TB 5,400 RPM CMR Surveillance Hard Drive”, https://vextor7.com/item/20032363 (accessed 2026-10-19).