Hardware Spec Index

Mirenta HD-9857 Pro 8TB 7,200 RPM CMR Surveillance Hard Drive

Hard Drives · Mirenta · SKU HD9857-PRO · Released 2025 · Updated 2026-10-19

Key facts

Benchmark index1,523 (Hard Drives scale)
Category rank#45,269
Street price$139
Power6 W
Performance per dollar10.96
Released2025

Specifications

BrandMirenta
ModelMirenta HD-9857 Pro
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
Altrix HD-7002 Core 4TB 5,400 RPM CMR Desktop Hard Drive1,262$119Compare
Novexa HD-3529 Max 24TB 7,200 RPM CMR NAS Hard Drive2,806$499Compare
Altrix HD-9953 Plus 2TB 5,400 RPM CMR Surveillance Hard Drive963$69Compare
Mirenta HD-2901 Edge 2TB 5,400 RPM CMR Surveillance Hard Drive1,114$99Compare
Altrix HD-5146 Pro 24TB 7,200 RPM CMR NAS Hard Drive3,100$579Compare
Altrix HD-4569 Ultra 4TB 5,400 RPM CMR Surveillance Hard Drive1,389$119Compare

All Hard Drives · JSON

Cite this page: Hardware Spec Index, “Mirenta HD-9857 Pro 8TB 7,200 RPM CMR Surveillance Hard Drive”, https://vextor7.com/item/19411981 (accessed 2026-10-19).