Hardware Spec Index

Novexa HD-7851 Ultra 8TB 7,200 RPM CMR Surveillance Hard Drive

Hard Drives · Novexa · SKU HD7851-ULTRA · Released 2023 · Updated 2026-10-22

Key facts

Benchmark index2,162 (Hard Drives scale)
Category rank#17,048
Street price$279
Power6 W
Performance per dollar7.75
Released2023

Specifications

BrandNovexa
ModelNovexa HD-7851 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
Mirenta HD-9289 Ultra 6TB 5,400 RPM CMR Surveillance Hard Drive1,509$129Compare
Novexa HD-6792 Core 16TB 7,200 RPM CMR NAS Hard Drive1,848$209Compare
Altrix HD-3817 Prime 12TB 7,200 RPM CMR Surveillance Hard Drive1,755$209Compare
Novexa HD-5428 Ultra 4TB 5,400 RPM CMR Surveillance Hard Drive1,328$139Compare
Strivon HD-7921 Prime 24TB 7,200 RPM CMR NAS Hard Drive3,012$499Compare
Novexa HD-9581 Pro 16TB 7,200 RPM CMR NAS Hard Drive1,849$219Compare

All Hard Drives · JSON

Cite this page: Hardware Spec Index, “Novexa HD-7851 Ultra 8TB 7,200 RPM CMR Surveillance Hard Drive”, https://vextor7.com/item/6415972 (accessed 2026-10-22).