Rail Kits
The TS-451DeU is compatible with the following models:
• RAIL-B02
Rail kits are not included with the NAS and must be purchased separately. For details, contact an authorized
reseller or go to http://shop.qnap.com.
You can find installation information in the rail kit package.
QTS Installation
The TS-451DeU uses the QNAP QTS operating system. You can install QTS using any of the following
methods.
Method Description Requirements
Qfinder Pro
installation
(Recommended)
If the NAS is connected to your local area
network, you can do the following:
• Locate the NAS using Qfinder Pro.
• Complete the steps in the Smart
Installation Guide wizard.
For details, see Installing QTS Using
Qfinder Pro.
• Computer
• Network cable
• Qfinder Pro installer
Cloud installation If the NAS is connected to the internet,
you can do the following:
• Scan the QR code on the NAS.
• Specify the Cloud Key.
• Log into your myQNAPcloud account.
• Complete the steps in the Smart
Installation Guide wizard.
For details, see Installing QTS Using the
Cloud Key.
• Computer or mobile device
• Network cable
• myQNAPcloud account
• CloudKey
Installing QTS Using Qfinder Pro
Warning
Installing QTS deletes all data on the drives. Back up your data before proceeding.
1. Power on the NAS.
2. Connect the NAS to your local area network.
3. Run Qfinder Pro on a computer that is connected to the same local area network.
Note
To download Qfinder Pro, go to https://www.qnap.com/utilities.
TS-451DeU User Guide
Installation and Configuration 28