Dell Inspiron 14 (3420, Mid 2012) - Manual (Page 3)

Communications
Network adapter 10/100 Ethernet LAN on system board
Wireless • WLAN b/g/n
• Bluetooth 4.0 for Inspiron 3420
• Bluetooth 3.0 for Inspiron 14-N4050/M4040
Ports and connectors
Audio • one microphone-in port
• one stereo headphones/speakers port
Mini-Card one half mini-card slot
HDMI one 19-pin port
Network adapter one RJ45 port
USB three 4-pin USB 2.0 ports
VGA one 15-hole port
Audio
Controller
Inspiron 14-N4050/
M4040 IDT 92HD87B1
Inspiron 3420 Cirrus Logic C4213D
Speaker 2 x 2 Watt
Internal microphone single analog microphone
Volume controls program menus and keyboard media-control keys
Video
Inspiron 14-N4050
Controller Integrated Intel HD graphics
Video memory system shared memory
Inspiron 14-N4050/M4040
Controller Discrete AMD Radeon HD 7450M
Video memory 512 MB/1024 MB
Inspiron 3420
Controller Discrete Nvidia GeForce GT 620M
Video memory 1 GB