2x USB-C 3.1; 2x USB-A 3.1; 3x USB-A 3.2; 4x USB-A 2.0; 2x DisplayPort; RJ45; Headset; Line-Out; Line-In; RJ45 2
1xVGA, 1xHDMI, 1xDisplay Port 1
1x VGA Port D-Sub,
1x DP,
Audio in/out back/front 1
2x DP,
1x VGA Port D-Sub,
1x Serial Port 1
4 External USB 3.0 ports 2 front, 2 rear and 6 External USB 2.0 ports 2 front, 4 rear, VGA, DP, 2 L/I, 2 L/O 3
4 External USB 3.0 ports 2 front, 2 rear and 6 External USB 2.0 ports 2 front, 4 rear, VGA, Serial, DP, RJ-45, 2 L/I, 2 L/O, PS/2 2
4 x USB 3.0 total, 6 x USB 2.0 total, 2x USB 2.0: 2x USB 3.0 x USB front, 2x USB 2.0: 2x USB 3.0 x USB rear, 2x USB 2.0 x USB internal, optional: via adapter card x VGA,1 x Ethernet RJ-45,1 DVI, 1 x DisplayPort 6
6 USB 2.0, Audio I/O, RJ-45, RS-232 1
8 USB 2.0 4 front, 4 rear, HDMI, VGA, Audio I/O front/rear 1
10 External USB - 6 x USB 3.1 Gen 1 1 USB Type-C for data only and 1 Type-A front/4 Type-A rear and 4 x USB 2.0 2 Type-A front/2 Type-A rear - 1 front with PowerShare; 4 Internal USB 2.0; 1 RJ-45; 1 Serial; 2 Display Port 1.2; 1 HDMI 1.4; 1
: 1 microphone/headphone jack, 4 USB 3.0, 1 HDMI, ; 1 power connector, 1 RJ-45,1 VGA, 4 USB 2.0, 1 security lock slot, 1 serial, 2 PS/2, 1 padlock slot, ; 1 audio out connector 1
Four 4 USB 2.0, Audio I/O Rear: 4 USB 3.0, 2 USB 2.0, VGA, DP, RJ-45, Serial, Two 2 PS/2, Audio I/O, Front: 5
Front- Two 2 USB 3.0, Two 2 audio I/O, Back- Two 2 USB 3.0, Two 2 USB 2.0, VGA, DisplayPort, LAN, Audio I/O, PS/2 1
Front 4 x USB 2.0 ports, a headphone output and a microphone jack - Rear 4 x USB 3.0 ports - 2 x USB 2.0 ports - Serial port - PS/2 mouse and keyboard port - RJ-45 network interface - DisplayPort - VGA video interfaces - 3.5mm audio in/out jacks 1
Front: 4 USB 2.0, audio I/O, Rear: 4 USB 2.0, VGA, DVI-D, RJ-45, Serial, PS/2, Audio I/O 1
Front: 1 x USB 3.1, 1 x USB Type-C, Audio I/O, Rear: 4 x USB 3.1, Audio I/O, HDMI, DisplayPort, RJ-45 3
Front: 2 USB 3.0, 2 USB 2.0, Audio I/O, Rear: 2 USB 3.0, 4 USB 2.0, VGA, DP, RJ-45, Audio I/O,PS/2 1
Front: 4 USB, audio ports, Rear: Two 2 USB 2.0, 1 Serial, VGA, DP, 2 PS/2, audio in/out 2
Front: Four 4 USB 2.0, Audio I/O, Rear: Four 4 USB 3.0, Two 2 USB 2.0,Serial, VGA, DP, RJ-45, Audio I/O, Two 2 PS/2 3
Front: Four 4 USB 2.0, Audio I/O, Rear: Six 6 USB 2.0, Audio I/0, Two2 Display Port 5
Front: Four 4 USB 2.0, Audio I/O, Rear: Six 6 USB 2.0, Audio I/O, VGA, DP 3
Front: Four 4 USB 2.0, Audio I/O, Rear: Six 6 USB 2.0, Serial, RJ-45, VGA, DVI, DP, PS/2, Audio I/O 3
Front: Four 4 USB 2.0, Audio I/O, Rear: Six 6 USB 2.0, Serial, VGA, DP,RJ-45, Two 2 PS/2, Audio I/O 1
Front: Four 4 USB 2.0, Audio I/O, Rear: Six 6 USB 2.0, Serial, VGA, DP,RJ-45, Two 2 PS/2, Audio I/O 2
Front: Four 4 USB 2.0, Audio I/O, Rear: Two 2 USB 3.0, Four 4 USB 2.0, VGA, DVI, DP, RJ-45, Serial, Audio I/O 2
Front: Four 4 USB 2.0, Headphone/Mic, Rear: Six 6 USB 2.0, Line In/Out, VGA, DP 1
Front: One 1 USB 2.0,One 1 USB 3.0 Audio I/O Rear: Four4 USB 2.0, Three 3 USB 2.0, One 1 USB 3.0, DP, VGA, RJ-45, Audio I/O, 1
Front: Two 2 USB 2.0 , Two 2 USB 3.0, Audio I/O , Rear: Four 4 USB 2.0, Four 4 USB 3.0, RS232, RJ45, VGA, DP, Audio ports. PS/2 4
Front: Two 2 USB 2.0, Audio I/O, Rear: Four 4 USB 2.0, VGA, DVI, RJ-45, Audio I/O 4
Front: Two 2 USB 2.0, Audio I/O, Rear: Six 6 USB 2.0, VGA, HDMI, RJ-45, Audio I/O 1
Front: Two 2 USB 2.0, Two 2 USB 3.0, Audio I/O, Internal: Two 2 USB 2.0, Exterrnal: Two 2 USB 3.0, Four 4 USB 2.0, VGA, Two 2 DP, RJ-45, Serial, Two 2 PS/2 12
Front: Two2 USB 3.0, Two 2 USB 2.0 , One 1 Lineout, Rear: Two 2 USB 2.0, Four 4 USB 3.0, Two 2 DP, HDMI, Serial, RJ-45, Audio I/O, PS/2 8
Front: Two2 USB 3.0, Two 2 USB 2.0 , Rear: Four 4 USB 2.0, Two 2 DP, VGA, Serial, RJ-45, Audio I/O, PS/2 2
Front: Two 2 USB 3.0, Two 2 USB 2.0 Audio I/O, Rear: Two 2 USB 3.0, Four 4 USB 2.0, VGA, Two 2 DP, RJ-45, Serial, Two 2 PS/2, Audio I/O 2
Front: Two 2 USB 3.0, Two 2 USB 2.0, Audio I/0, Rear: Two 2 USB 3.0, Four 4 USB 2.0, VGA, DP, RJ-45, Serial, PS/2, Audio I/O 13
Front: Two 2 USB 3.0,Two 2 USB 2.0, Audio I/O, Rear: Four 4 USB 2.0, Two 2 USB 2.0, Two 2 DP, VGA, Serial, RJ-45, Audio I/O, Two 2 PS/2 2
Front: Two 2 USB 3.0, Two 2 USB 2.0, Audio I/O, Rear: Four 4 USB 2.0, Two 2 USB 2.0, VGA, RJ-45, Two 2 Display Port, Serial, Parallel,Two 2 PS/2, Audio I/O 8
Front: Two 2 USB 3.0, Two 2 USB 2.0, Audio I/O, Rear: Two 2 USB 3.0, Four 4 USB 2.0, RJ-45, VGA, DP, Audio I/O, PS/2 5
Front: Two 2 USB 3.0, Two 2 USB 2.0, Audio I/O, Rear: Two 2 USB 3.0, Four 4 USB 2.0, VGA, Two 2 DP, RJ-45, Serial, PS/2, Audio I/O 1
Front: Two 2 USB 3.0, Two 2 USB 2.0, Audio I/O, Rear: Two 2 USB 3.0, Two 2 USB 2.0, VGA, DP, Audio I/O 1
Front: Two 2 USB 3.0, Two 2 USB 2.0, Audio I/O Rear: Two 2 USB 3.0, Two2 USB 2.0, Two 2 DP, VGA, RJ-45, Serial, Αudio Ι/Ο, Two 2 PS/2 1
Front: Two 2 USB 3.0, Two 2 USB 2.0, Headphone/Mic, Rear: Four 4 USB 2.0, VGA, DVI-D, Serial 4
Front: Two 2 x USB 3.0 , Rear: Two 2 x USB 3.0, 2 -in-1: MMC/ SD, RJ45,Audio ports 2
Front: 2 USB 2.0, 2 USB 3.0, Audio I/O, Rear: 4 USB 3.0, 2 USB 2.0, Audio I/O, VGA, 2 x DP 1
Front: Four 4 USB, microphone, headphone, Rear: Six 6 USB, Serial, DP, VGA,RJ-45, Stereo L/I, Speakers L/O 1
Front: Four 4 USB, microphone, headphone, Rear: Six 6 USB, Serial, VGA, DP, Stereo line in, Speakers line out, PS/2 2
Front: Four 4 USB, microphone, headphone, Rear: Six 6 USB, Stereo L/I, Speakers L/O 1
Front: Four 4 USB, microphone, headphone, Rear: Six 6 USB, VGA, Serial, DP, RJ-45, PS/2 Stereo L/I, Speakers L/O 1
Front: Four 4 USB, microphone, headphone, Rear: Six 6 USB,VGA,Serial, DP, Stereo line in, Speakers line out, PS/2 4
Front: Four 4 USB, microphone, headphone, Rear: Six 6 USB, VGA, Serial, Two 2 DP, Audio I/O, PS/2 4
Front: Four 4 USB, microphone, headphone Rear: Eight 8 USB, Stereo LI, Speakers LO, DP 1
Front: Four 4 USB 2.0 , Audio I/O Rear: Six 6 USB 2.0, VGA, DP, RJ-45, Serial, Audio I/O 3
Front: Four 4 USB 2.0, Audio I/O, Rear: Four 4 USB 2.0, Two 2 USB 3.0, 2 x USB internal, VGA, DP, DVI, Serial, PS/2, Audio I/O 1
Front: Four 4 USB 2.0, Audio I/O, Rear: Four 4 USB 2.0,Two 2 USB 3.0, VGA, DP, DVI, Serial, RJ-45, PS/2, Audio I/O 2
Front: One 1 USB Type-C 3.0, Two 2 USB 3.0 one includes fast charging, Audio I/O Rear: Four 4 USB 3.0, VGA, DP, RJ-45, 1
Front: Two 2 USB, Audio I/O, Rear: Four 4 USB, VGA, DP, RJ-45, Audio I/O 3
Front: Two 2 USB, Audio I/O Rear: Six 6 USB, VGA, DP, Serial, Audio I/O 1
Front: Two 2 USB, microphone, headphone, Rear: Six 6 USB, VGA, HDMI, RJ45, Stereo L/I, Speakers L/O 4
Front: Two 2 USB, microphone, headphone Rear: Four 4 USB, Stereo Line In/Out, VGA, DP 3
Front: Two 2 USB 2.0 one includes fast charging, Two 2 USB 3.0, Audio I/O Rear: Six 6 USB 3.0, VGA, Two 2 DP, RJ-45, PS/2, Serial, Audio I/O 3
Front: Two 2 USB 2.0 , Audio I/O Rear: Four 4 USB 3.0, Two 2 USB 2.0, VGA,DP, RJ-45, Audio I/O 3
Front: Two 2 USB 2.0 , Audio I/O Rear: Four 4 USB 3.0, Two 2 USB 2.0, VGA,DP, RJ-45, Serial, Audio I/O 2
Front: Two 2 USB 2.0, Audio I/O, Rear: Six 6 USB 2.0, RJ-45, VGA, HDMI, Audio I/O 2
Front: Two 2 USB 2.0, Audio I/O, Rear: Six 6 USB 2.0, VGA, HDMI, RJ-45, Audio I/O 1
Front: Two 2 USB 2.0, Audio I/O Rear: Four 4 USB 3.0, Two 2 USB 2.0, Audio I/O VGA, DP 1
Front: Two 2 USB 2.0, Two 2 USB 3.1, One 1 USB Type C 3.1, Audio I/O, Rear: Four 4 USB 3.1, Two 2 USB 2.0, Audio I/O, Two 2 DP, RJ-45 1
Front: Two 2 USB 2.0, Two 2 USB 3.1, One 1 USB Type C 3.1Audio I/O, Rear: Four 4 USB 3.1, Two 2 USB 2.0 Audio I/O, Two 2 DP, RJ-45 4
Front: Two 2 USB 2.0, microphone, Audio I/O Rear: Six 6 USB 2.0, VGA, DP, RJ-45, Audio I/O, Two 2 PS/2 2
Front: Two 2 USB 2.0, microphone, headphone - Rear: Six 6 USB 2.0, VGA, HDMI, RJ-45, Stereo L/I, Speakers L/O, Microphone L/O 1
Front: Two 2 USB 3.0 , Audio I/O Rear: Two 2 USB 3.0, Four 4 USB 2.0, VGA, Two 2 DP, RJ-45, Serial, Audio I/O, parallel 25-pin optional 8
Front: Two 2 USB 3.0, Audio I/O Rear: Four 4 USB 3.0, Two 2 USB 2.0, Serial, VGA, Two 2 DP, RJ-45, Audio I/O 6
Front: Two 2 USB 3.0, Two 2 USB 2.0, microphone, headphone, Rear: Two 2 USB 3.0, Two 2 USB 2.0, HDMI, DP, UAJ,RJ-45, Stereo L/I, Speakers L/O 3
Front: Two 2 USB 3.0, microphone, headphone Rear: Two 2 USB 3.0, One 1 USB 2.0, RJ-45, VGA, DP 4
Front: Two 2 USB 3.1, Two 2 USB 2.0, microphone, headphone, Rear: Two 2 USB 3.1, Two 2 USB 2.0, HDMI, DisplayPort, UAJ,RJ-45, Stereo L/I, Speakers L/O 4
HDMI-in, including capture card, 2 x HDMI-out, RJ45, 4 x USB-A 3.0 Gen 1, 3.5mm combination microphone / audio-out stereo jack 1
Rear: 4 USB 3.0, 2 USB 2.0, Serial , Two 2 PS/2, Audio I/O, VGA, DP,RJ-45 Front: 4 USB 2.0, Audio I/O 17
Rear: 4 USB 3.0, 2 USB 2.0, Serial, VGA, DP, 2 PS/2, audio in/out, Front: 4 USB 2.0, audio ports 7
Rear: 6 USB, 1 serial port, 2 PS/2, audio in/out, Front: 4 USB, audio ports 3
Rear: 6 USB, VGA, Serial, DP, 2 PS/2, audio in/out, Front: 4 USB, audio ports 3
Rear: 6 USB, audio in/out, Front: 4 USB, audio ports 1
Rear: Six 6 USB, Serial, Two 2 PS/2, audio I/O, Front: Four 4 x USB, audio I/O 4
Rear: Six 6 USB 2.0, Audio I/O, Front: Four 4 USB 2.0, Audio I/O, DP, VGA, RJ-45 1
Side: One 1 USB 3.0, Audio I/O, Rear: Three 3 USB 3.0, RJ-45, HDMI 1
Side: Two 2 USB 2.0, 1 Media-card reader, Audio I, Rear: Four 4 USB 3.0, Two 2 USB 2.0, RJ-45, HDMI, DP, Audio I/O port 2
Side: Two 2 USB 3.0, Audio I/O, Rear: Four 4 USB 2.0, Serial, RJ-45, Serial, Audio I/O 1
Side: Two 2 USB 3.0, Audio I/O, Rear: Two 2 USB 3.0, Four 4 USB 2.0, RJ-45, VGA, Audio I/O 5
