Hardware Spec Index

Altrix HD-4821 Ultra 8TB 7,200 RPM CMR Surveillance Hard Drive

Hard Drives · Altrix · SKU HD4821-ULTRA · Released 2023 · Updated 2026-10-20

Key facts

Benchmark index1,310 (Hard Drives scale)
Category rank#25,414
Street price$119
Power6 W
Performance per dollar11.01
Released2023

Specifications

BrandAltrix
ModelAltrix HD-4821 Ultra
Capacity8 TB
ClassSurveillance
RecordingCMR (conventional magnetic recording)
Spindle speed7,200 RPM
Cache256 MB
InterfaceSATA 6 Gb/s
Sustained transfer220 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-7082 Plus 24TB 7,200 RPM CMR NAS Hard Drive2,716$489Compare
Strivon HD-5885 Max 20TB 7,200 RPM CMR NAS Hard Drive2,356$339Compare
Novexa HD-2372 Pro 20TB 7,200 RPM CMR NAS Hard Drive2,577$419Compare
Altrix HD-6068 Prime 20TB 7,200 RPM CMR Enterprise Hard Drive2,339$309Compare
Strivon HD-3198 XT 6TB 5,400 RPM CMR Surveillance Hard Drive1,316$99Compare
Mirenta HD-7670 Core 2TB 5,400 RPM SMR Desktop Hard Drive903$69Compare

All Hard Drives · JSON

Cite this page: Hardware Spec Index, “Altrix HD-4821 Ultra 8TB 7,200 RPM CMR Surveillance Hard Drive”, https://vextor7.com/item/50833914 (accessed 2026-10-20).