Hardware Spec Index

Altrix HD-2947 Plus 4TB 5,400 RPM CMR Surveillance Hard Drive

Hard Drives · Altrix · SKU HD2947-PLUS · Released 2019 · Updated 2026-10-25

Key facts

Benchmark index1,520 (Hard Drives scale)
Category rank#2,880
Street price$159
Power5 W
Performance per dollar9.56
Released2019

Specifications

BrandAltrix
ModelAltrix HD-2947 Plus
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
Altrix HD-7727 Ti 8TB 7,200 RPM CMR Surveillance Hard Drive1,719$199Compare
Altrix HD-5674 Ultra 8TB 7,200 RPM CMR NAS Hard Drive1,763$219Compare
Strivon HD-3799 Ti 6TB 5,400 RPM CMR NAS Hard Drive1,220$89Compare
Novexa HD-9857 XT 8TB 7,200 RPM CMR Desktop Hard Drive1,163$99Compare
Novexa HD-9976 Core 8TB 7,200 RPM CMR NAS Hard Drive1,976$259Compare
Altrix HD-7789 XT 16TB 7,200 RPM CMR Enterprise Hard Drive2,354$389Compare

All Hard Drives · JSON

Cite this page: Hardware Spec Index, “Altrix HD-2947 Plus 4TB 5,400 RPM CMR Surveillance Hard Drive”, https://vextor7.com/item/21781091 (accessed 2026-10-25).