No. Component No. Component
1 Memory slot 2 3 M.2 SSD slot 1
2 Memory slot 1 4 M.2 SSD slot 2
Drive Numbering
Installation Requirements
Category Item
Environment • Room temperature: 0˚C to 40˚C (32˚F to 104˚F)
• Non-condensing relative humidity: 5% to 95%
• Wet-bulb temperature: 27˚C (80.6˚F)
• Flat, anti-static surface without exposure to direct sunlight, liquids,
or chemicals
Hardware and peripherals • Storage drives
For the list of compatible drive models, go to https://
www.qnap.com/compatibility.
• Network cable
Tools • Phillips #1 or #2 screwdriver
• Anti-static wrist strap
Safety Information
The following instructions help ensure personal safety and environmental safety. Read these instructions
carefully before performing any operations.
TS-451DeU User Guide
Product Overview 8