Additional connectors and expansion devices for computers

The appearance of many types and generations of internal and external devices has diversified the communication standards between devices and computers. To address interoperability between generations of communication standards, some manufacturers have marketed a number of additional connectors and expansion devices for computers.

AT to PS/2 Keyboard

This is an adapter to use a keyboard with a PS/2 plug for older (AT) machines that use a large plug.

PS/2 to USB Mouse

Use this adapter to plug a mouse using the USB interface into the PS/2 port on your computer.

USB to PS/2

USB to PS/2

If unfortunately the keyboard, mouse (PS/2) connector on your computer is damaged or your laptop does not have a PS/2 connector for the keyboard and mouse, you can use a different one. the plug is called USB to PS/2. This end will be plugged into the computer's USB port and outputs 2 PS/2 ports to connect to the keyboard and mouse.

USB to Parallel

USB to Parallel

Use this adapter to plug parallel devices into a USB port on your computer.

USB Extension

USB Extension

If the USB cord is too short, this cable can be used to extend the USB cord.

USB Hub

USB Hub

If there are many devices using USB ports that are not enough on the computer, use this device to expand more USB ports.

PCI USB Card

PCI USB Card

Some older computers that do not have a USB port can add this card to the PCI standard slot to have USB ports. Note that there are USB 1.1 and 2.0 cards and there are types with an additional Firewire port.

VGA Extension

VGA Extension

If the signal wire of the monitor is too short, this cable can be used to extend it further.

VGA to DVI

VGA to DVI

VGA to DVI

This connector is used to connect from a graphics device (VGA Card) with a DVI port to a monitor with a VGA port.

DVI to VGA

DVI to VGA

This connector is used to connect a graphics device (VGA Card) with a VGA port to a monitor with a DVI port.

Note that this device does not support digital signal transmission, will not be used for screens that require a digital signal.

DVI-A to D-Sub cable

DVI-A to D-Sub cable

This connector is used to connect a graphics device (VGA Card) with a VGA port to a monitor with a DVI port.

In this cable, there is usually an electronic chip used to convert analog signals to digital signals. Suitable for displays that require a digital signal.

PCI SATA Card

PCI SATA Card

Insert this card into the PCI slot if you want old computers to use newer drives with SATA interface.

RCA Jack Stereo "Y" Adapter

Use this cable to bring audio from your computer's Audio Out port to the audio player.

Stereo splitter

Use this splitter to split the sound from an Audio Out port of your computer (Sound card) into two paths that come to the speaker (Speaker) and the headset (Headphone).