Hardware Spec Index

Altrix HD-3851 Ultra 8TB 7,200 RPM CMR Surveillance Hard Drive

Hard Drives · Altrix · SKU HD3851-ULTRA · Released 2020 · Updated 2026-10-19

Key facts

Benchmark index1,860 (Hard Drives scale)
Category rank#18,136
Street price$249
Power6 W
Performance per dollar7.47
Released2020

Specifications

BrandAltrix
ModelAltrix HD-3851 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

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Cite this page: Hardware Spec Index, “Altrix HD-3851 Ultra 8TB 7,200 RPM CMR Surveillance Hard Drive”, https://vextor7.com/item/808986 (accessed 2026-10-19).