1. MS-N7000 series Hard Disk Installation
Step1: Unscrew the back and both sides’ screws to open the upper lid.
![Hard Disk Installation](https://s3.amazonaws.com/cdn.freshdesk.com/data/helpdesk/attachments/production/69007320059/original/GIcFK4L4yFMcUMvRYctPtut4oUfkPV_tKg.png?1629811767)
![Hard Disk Installation](https://s3.amazonaws.com/cdn.freshdesk.com/data/helpdesk/attachments/production/69007320031/original/imyTco5KaniYX7zCpHx4_PikeGRrfWoe2w.png?1629811748)
![Hard Disk Installation](https://s3.amazonaws.com/cdn.freshdesk.com/data/helpdesk/attachments/production/69007320062/original/AbWOOVw7U7-2xgq459ESUPh_-BIGCzUaDA.png?1629811769)
Step2: Install the hard disks into NVR with screws showed in below pictures.(SATA Slots of hard disk should be toward inside NVR.)
![Hard Disk Installation](https://s3.amazonaws.com/cdn.freshdesk.com/data/helpdesk/attachments/production/69007320067/original/fVm4nLnTkSLLzpqlnANZQk57c4vOlF20BQ.png?1629811771)
![Hard Disk Installation](https://s3.amazonaws.com/cdn.freshdesk.com/data/helpdesk/attachments/production/69007320045/original/2A0rX2XR-wfenp86KgcYHYG2u1ewkV97Bw.png?1629811756)
![Hard Disk Installation](https://s3.amazonaws.com/cdn.freshdesk.com/data/helpdesk/attachments/production/69007320074/original/clCgw6cOYwGSpngyxw2hrpXZRZ7zN6OH6Q.png?1629811774)
Step3: Join the power and data connectors to corresponding hard disk.
![Hard Disk Installation](https://s3.amazonaws.com/cdn.freshdesk.com/data/helpdesk/attachments/production/69007320068/original/GvIebdUBGONbssBPcAWnq_-1cT7wB_Sswg.png?1629811771)
![Hard Disk Installation](https://s3.amazonaws.com/cdn.freshdesk.com/data/helpdesk/attachments/production/69007320110/original/uIKLrbCjf88uJF0qpRIN1OHh42A6jlMM1g.png?1629811777)
![Hard Disk Installation](https://s3.amazonaws.com/cdn.freshdesk.com/data/helpdesk/attachments/production/69007320104/original/T2sZNn-4Vq9Fg4QUJrRZY5FmPKJqXcjk5g.png?1629811777)
The data connector sequence of MS-N7000 series is different from MS-N8000 series.
2. MS-N8000 series Hard Disk Installation
Step1: Unscrew the back and both sides’ screws to open the upper lid.
![Hard Disk Installation](https://s3.amazonaws.com/cdn.freshdesk.com/data/helpdesk/attachments/production/69007320069/original/4R47ivDDWn0unFnfB3AlggmvGDpM_oPXeQ.png?1629811772)
![Hard Disk Installation](https://s3.amazonaws.com/cdn.freshdesk.com/data/helpdesk/attachments/production/69007320063/original/HmFTFeGwOF_B6kNK_pyqPW_wdzujKvQagg.png?1629811769)
![Hard Disk Installation](https://s3.amazonaws.com/cdn.freshdesk.com/data/helpdesk/attachments/production/69007320060/original/M-ZQ-AQMFUHjPdRg8RUCfHald6kjrqAaIg.png?1629811768)
Step2: Uninstall the upper hard disk panel.
![Hard Disk Installation](https://s3.amazonaws.com/cdn.freshdesk.com/data/helpdesk/attachments/production/69007320066/original/PUaM0kZEE54Qxv9gMkEC7B0owj7W01NZQA.png?1629811770)
Step3: Install the hard disks into NVR with screws showed in below pictures.(SATA slots of hard disks should be toward inside NVR)
![Hard Disk Installation](https://s3.amazonaws.com/cdn.freshdesk.com/data/helpdesk/attachments/production/69007320076/original/W77CZku8yXRZs1aW2srglLq8qvyX4T-pIQ.png?1629811774)
![Hard Disk Installation](https://s3.amazonaws.com/cdn.freshdesk.com/data/helpdesk/attachments/production/69007320065/original/aJXi1xoMRnwVeJRfHyJIwGOCYfKuFc_UhQ.png?1629811770)
![Hard Disk Installation](https://s3.amazonaws.com/cdn.freshdesk.com/data/helpdesk/attachments/production/69007320077/original/6iyvS55u4YLLoDprM7BcxaJtGEVu6H4w0g.png?1629811774)
![Hard Disk Installation](https://s3.amazonaws.com/cdn.freshdesk.com/data/helpdesk/attachments/production/69007320089/original/e_wakISLdHUBqRrM1O25xayZElzur9zH5Q.png?1629811775)
Make sure that the sata slots are in SHORT HALF side and the sata slot toward inside NVR.
Step4: Join the power connectors to corresponding hard disks.(Install lower hard disk panel before upper one)
![Hard Disk Installation](https://s3.amazonaws.com/cdn.freshdesk.com/data/helpdesk/attachments/production/69007320072/original/Kly4QCbmoWTvnl2j15n8ZTNAQqtSiSSyHw.png?1629811773)
![Hard Disk Installation](https://s3.amazonaws.com/cdn.freshdesk.com/data/helpdesk/attachments/production/69007320128/original/QI3yKpqjZXmcjKU17A6A3YHCGOMg1zemtQ.png?1629811780)
Step5: Join the data connectors to corresponding hard disk.(Check the connection by below sequence)
![Hard Disk Installation](https://s3.amazonaws.com/cdn.freshdesk.com/data/helpdesk/attachments/production/69007320083/original/fPeonSi9WDj-SEd9Crn6hky5-e-WuSM-Sg.png?1629811775)
The data connector sequence of MS-N7000 series is different from MS-N8000 series.