There are many types of computer cables used on your electronic devices nowadays, each providing their respective uses. However, due to the abundance of these cables available today, one might not fully understand their purposes. Read on to find out about the different type of computer cables and how they function.

Hama Mini Usb 2.0 Cable, Shielded, Grey, 1.80 m Trouble connecting your notebook/PC to a USB terminal device? It can become quite frustrating when your trying to connect your PC/notebook to another device such as a mobile phone, hard drive, scanner or printer, only to find that you dont have the right cables, making the anticipated connection impossible. You then become annoyed that you have got to spend more time, money and energy researching, finding and purchasing the correct cable, with no luck at all. However, you know longer have to go to these lengths with the Hama Mini USB 2.0 Cable, Shielded, Grey. Connect up with Hama! The Mini USB 2.0 Cable, Shielded from Hama, grey in colour, will connect a PC/notebook to a USB 2.0 terminal device with a Usb-A socket simply and easily. With a high-speed data transfer rate (of up to 480 Mbps), the cable suitable and tested for USB 2.0 and backward compatible with USB 1.1, will make the anticipated connection reliable and in quick time and the generous 1.8 m cable, gives plenty of flexibility in distance between the two devices. The additional shielding provides a good reduction of electromagnetic interference so you can enjoy a great connection continuously and the twisted data lines (twisted pairs) and sturdy plugs with moulded strain reliefs, give a high mechanical-resistance. All in all, this product provides a simple, easy and convenient solution to your problems. Two seperate devices, one cable and one connection! HK$ 75.59
Ugreen 4 Ports USB 3.0 Hub with OTG Extension Adapter The Ugreen USB 3.0 Hub features 4 USB 3.0 ports, which are capable of reaching speeds of up to 5.0Gbps, while at the same time maintaining full backwards compatibility with USB 3.0/1.1/1.0 devices. In addition, it also supports OTG function, you could connect your peripheral devices like mouse, keyboards and more to your portable electronics such as cell phones, eReaders, tablets, and laptops. And the light blue LED indicator light will let you know the working status at a glance. What's more, the Hub will provide multiple security protections to make sure safe use. 4 Ports USB Expansion Connects up to 4 USB devices to your computer simultaneously, such as USB flash drives, mice, keyboards and speakers. SuperSpeed USB 3.0 Transmission Rate A transfer rate of up to 5.0Gbps, which means it only needs 5 seconds to transfer a 1GB HD video, 10 times faster than USB 2.0. OTG Function Supported The OTG interface can connect with your OTG enabled smartphones and tablets, then you can plug U-disk, keyboard or some other USB devices to get more functions. 3.3ft/1m Cable Length Extend the hard-to-reach USB ports on your desktop to your desired location, easily to connect your USB peripherals. Great Compatibility Supports Windows XP/Vista/7/8/8.1/10, Mac OS and Linux. No driver needed. Multiple Security Protection Keeps your digital devices and data safe with built-in protection for over-voltage and over-current. Note 1.The HUB itself is equipped with DC 5V power input interface, which is powerful than Micro USB power input. If you need to insert high-capacity HDD or other several HDDs at the same time, a 2A power adapter (not included) is needed. 2. The OTG Extension Adapter is Micro USB 2.0 interface, it is compatible with Samsung, Xiaomi, Huawei etc. Specifications Brand Ugreen Shell Material ABS Core Material Oxygen-free Copper USB Port 4 USB 3.0 Ports Power Supply Miro USB or DC 5V Support System Windows XP/Vista/7/8/8.1/10, Mac OS and Linux Color Black; White Product Size 7.8 x 5 x 2 cm Package Contents 1 x USB 3.0 Hub with OTG Function HK$ 59.99

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Different Types of Computer Cables and Their Usage

We use cables almost every day but their importance remains relatively underestimated. With so many types of cables available today, however, it might be confusing for users to fully comprehend their users. Hence, here is an overview of the most common computer cables that you will encounter and how they are used.

USB Cables

Another connector that can be commonly found is the USB (Universal Serial Bus) cable. Almost every type of computer peripheral device – mice, flash drives, keyboards, headsets, et cetera – can be connected to the computer via a USB port.

The designs of the USB have continually evolved over the years, hence there's a variety of USB available in the market today. The USB 1.0/1.1 can transmit data at speeds up to 12Mbps, the USB 2.0 transfers data at speeds up to 480Mbps and is the most common version in the market, while the USB 3.0 can send data up to 4.8 Gbps. There are also the mini and micro USB variants for smaller devices such as PDAs and phones.


High-definition broadcasts are the new standards today to define high quality. HDMI (High Definition Multimedia Interface) cables are connectors that can deliver digital signals from one device to another. HDMI cables can send both video and audio signals together. Since HDMI cables only transmit digital devices, these connectors are only compatible with newer devices.

There are four types of HDMI connectors available in the market. Type A HDMI cables are the most common and can usually be identified by the 19 pins on the male head. Type B is larger than Type A with 29 pins on the male head. Type C is a 19-pin cable that often comes with portable devices. The last type, Type D has 19 pins on its head and also looks like a micro-USB cord.

VGA Cables

Video Graphics Array (VGA) cables were created back in the 1980s. Since then, they have been the standard cables that are used to connect a computer to an external monitor. Recently though, these cables have slowly been substituted due to the preference of using digital connections over analog. However, many display apparatus today such as projectors and monitors still come with a complementary VGA port.

VGA cables and ports can be identified by their 15-pin configuration – arranged in 3 rows with 5 on each row. Each of this row corresponds to the three different colour channels typically used in a display which are red, green, and blue.

DVI Cables

DVI (Digital Visual Interface) cables became the eventual replacement to VGA cables after analog connections transitioned towards digital. DVI cables are available in 3 varieties – DVI-A, DVI-D, and DVI-I. DVI-A can also be used to transmit analog signals, which enables it to be backwards compatible with VGA. This makes the DVI-A very suitable for CRT monitors or lower quality LCD monitors.