Hardware Spec Index

Mirenta HD-8857 XT 12TB 7,200 RPM CMR Surveillance Hard Drive

Hard Drives · Mirenta · SKU HD8857-XT · Released 2025 · Updated 2026-10-21

Key facts

Benchmark index2,031 (Hard Drives scale)
Category rank#31,424
Street price$289
Power7 W
Performance per dollar7.03
Released2025

Specifications

BrandMirenta
ModelMirenta HD-8857 XT
Capacity12 TB
ClassSurveillance
RecordingCMR (conventional magnetic recording)
Spindle speed7,200 RPM
Cache512 MB
InterfaceSATA 6 Gb/s
Sustained transfer240 MB/s
Workload rating180 TB/year
MTBF1 million hours
Helium-filledYes
Warranty2 years

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Cite this page: Hardware Spec Index, “Mirenta HD-8857 XT 12TB 7,200 RPM CMR Surveillance Hard Drive”, https://vextor7.com/item/2977360 (accessed 2026-10-21).