Hardware Spec Index

Novexa HD-6856 Pro 4TB 5,400 RPM CMR Surveillance Hard Drive

Hard Drives · Novexa · SKU HD6856-PRO · Released 2021 · Updated 2026-10-24

Key facts

Benchmark index1,450 (Hard Drives scale)
Category rank#21,365
Street price$119
Power5 W
Performance per dollar12.18
Released2021

Specifications

BrandNovexa
ModelNovexa HD-6856 Pro
Capacity4 TB
ClassSurveillance
RecordingCMR (conventional magnetic recording)
Spindle speed5,400 RPM
Cache256 MB
InterfaceSATA 6 Gb/s
Sustained transfer180 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-8697 XT 2TB 5,400 RPM CMR Surveillance Hard Drive836$69Compare
Strivon HD-6929 Ti 6TB 5,400 RPM SMR Desktop Hard Drive1,313$119Compare
Novexa HD-1058 Edge 4TB 5,400 RPM CMR Surveillance Hard Drive976$79Compare
Altrix HD-3385 Ti 6TB 5,400 RPM CMR Surveillance Hard Drive1,306$99Compare
Mirenta HD-7208 XT 28TB 7,200 RPM CMR Enterprise Hard Drive2,885$529Compare
Altrix HD-7455 Edge 28TB 7,200 RPM CMR Enterprise Hard Drive2,784$529Compare

All Hard Drives · JSON

Cite this page: Hardware Spec Index, “Novexa HD-6856 Pro 4TB 5,400 RPM CMR Surveillance Hard Drive”, https://vextor7.com/item/21523574 (accessed 2026-10-24).