- Notes, cautions, and warnings
- Working on your computer
- Disassembly and reassembly
- Stand
- Cable cover
- Back cover
- Speaker cover
- Solid State Drive — optional
- Hard drive assembly
- Optical drive assembly
- System board shield
- Heat sink
- WLAN card
- Speaker module
- Converter board
- Power supply unit
- Mount bracket
- System fan
- Memory module
- Intrusion switch
- OSD button board
- Coin cell battery
- Processor
- System board
- Display assembly
- System setup
- Boot Sequence
- Navigation keys
- System setup options
- General screen options
- System configuration screen options
- Security screen options
- Secure boot screen options
- Performance screen options
- Power management screen options
- POST behavior screen options
- Virtualization support screen options
- Wireless screen options
- Maintenance screen options
- Cloud desktop screen options
- Updating the BIOS
- System and setup password
- Technical specifications
- System specifications
- Memory specifications
- Video specifications
- Audio specifications
- Communication specifications
- Cards specifications
- Display specifications
- Drives specifications
- Port and connector specifications
- Power specifications
- Camera specifications - optional
- Stand specifications
- Physical specifications
- Environmental specifications
- Contacting Dell
Dell OptiPlex 7440 All-In-One Owner's Manual
Power specifications
- Feature
- Specification
- 155 Watt PSU for UMA
- 200 Watt dGPU and UHD(4K)
- Frequency
- 47 Hz — 63 Hz
- Voltage
- 90 VAC — 264 VAC
- Input current
- Maximum 2.6 A ( Low AC range)
- Maximum 1.3 A ( High AC range)
Please provide ratings (1-5 stars).
Please provide ratings (1-5 stars).
Please provide ratings (1-5 stars).
Please select whether the article was helpful or not.
Comments cannot contain these special characters: <>()\