Hardware Spec Index

Altrix HD-4903 XT 12TB 7,200 RPM CMR NAS Hard Drive

Hard Drives · Altrix · SKU HD4903-XT · Released 2022 · Updated 2026-10-22

Key facts

Benchmark index2,424 (Hard Drives scale)
Category rank#27,132
Street price$379
Power7 W
Performance per dollar6.40
Released2022

Specifications

BrandAltrix
ModelAltrix HD-4903 XT
Capacity12 TB
ClassNAS
RecordingCMR (conventional magnetic recording)
Spindle speed7,200 RPM
Cache512 MB
InterfaceSATA 6 Gb/s
Sustained transfer240 MB/s
Workload rating300 TB/year
MTBF1.2 million hours
Helium-filledYes
Warranty3 years

Related guides

CMR vs SMR Hard DrivesNAS RAID Levels Explained

Similar Hard Drives

ModelBenchmarkPriceCompare
Novexa HD-5308 Ultra 24TB 7,200 RPM CMR NAS Hard Drive2,952$589Compare
Altrix HD-2578 Core 2TB 5,400 RPM SMR Desktop Hard Drive709$49Compare
Strivon HD-8839 SE 12TB 7,200 RPM CMR NAS Hard Drive1,960$249Compare
Strivon HD-7928 Plus 24TB 7,200 RPM CMR Enterprise Hard Drive3,100$599Compare
Mirenta HD-9025 Pro 24TB 7,200 RPM CMR Enterprise Hard Drive2,483$369Compare
Strivon HD-7088 Pro 2TB 5,400 RPM CMR Surveillance Hard Drive990$69Compare

All Hard Drives · JSON

Cite this page: Hardware Spec Index, “Altrix HD-4903 XT 12TB 7,200 RPM CMR NAS Hard Drive”, https://vextor7.com/item/96522344 (accessed 2026-10-22).