Hardware Spec Index

Altrix HD-9921 Core 2TB 5,400 RPM CMR Surveillance Hard Drive

Hard Drives · Altrix · SKU HD9921-CORE · Released 2026 · Updated 2026-10-25

Key facts

Benchmark index721 (Hard Drives scale)
Category rank#7,157
Street price$49
Power4 W
Performance per dollar14.71
Released2026

Specifications

BrandAltrix
ModelAltrix HD-9921 Core
Capacity2 TB
ClassSurveillance
RecordingCMR (conventional magnetic recording)
Spindle speed5,400 RPM
Cache256 MB
InterfaceSATA 6 Gb/s
Sustained transfer170 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-3168 Core 4TB 5,400 RPM CMR Surveillance Hard Drive685$49Compare
Mirenta HD-1695 Core 2TB 5,400 RPM CMR Surveillance Hard Drive924$69Compare
Novexa HD-8372 Max 28TB 7,200 RPM CMR NAS Hard Drive2,722$489Compare
Altrix HD-5606 Core 12TB 7,200 RPM CMR NAS Hard Drive2,262$319Compare
Strivon HD-1109 Core 6TB 5,400 RPM CMR Surveillance Hard Drive1,641$209Compare
Altrix HD-2436 Prime 4TB 5,400 RPM CMR Surveillance Hard Drive908$59Compare

All Hard Drives · JSON

Cite this page: Hardware Spec Index, “Altrix HD-9921 Core 2TB 5,400 RPM CMR Surveillance Hard Drive”, https://vextor7.com/item/18258684 (accessed 2026-10-25).