276°
Posted 20 hours ago

Cable Matters VGA Extension Cable (VGA Cable Male to Female) - 1.8m

£3.495£6.99Clearance
ZTS2023's avatar
Shared by
ZTS2023
Joined in 2023
82
63

About this deal

Up to roughly a decade ago, one could frequently find VGA cables in personal and professional desktop setups. Their primary purpose would generally be transmitting visual signals from CPUs to monitors. However, they were also linked to other source devices (such as video cards, laptops, and set-top boxes) to output devices (such as projectors and televisions).

VGA cables works by carrying the electronic signals and data from one hardware device to another. The signals are normally in form of video signals. VGA cables are used to connect monitors to a personal computer, TV screens or laptops. VGA cables are designed with an HD-15 connector female or male depending on connection requirements. Digital Visual Interface (DVI) is a video display interface initially developed by the Digital Display Working Group (DDWG), a collective organized by Intel, Compaq, Fujitsu, Silicon Image, IBM, NEC, and HP, in 1999. This digital connector standard links a display device like a computer desktop to a video source, such as a CRT controller. However, even here, several factors affect the VGA signal, including the strength of the signals from the source; the electrical interference levels; and the product architecture, such as shielding, gauge, and copper wire quality.Specific examples of VGA applications include industrial, warehousing, factory, and production settings. In these environments, VGA cables are preferred over newer alternatives due to the reliability and durability of VGA port connections, especially thanks to the thumb screws. Although many newer devices have seen the older, standard VGA ports replaced by more modern connection types (notably DVI and HDMI), VGA ports are often still supplied with both legacy and modern computers, monitors, TVs, laptops, projectors and more. These cables remain widely used in both domestic and commercial settings. The HDMI form factor is smaller and simpler when compared to DVI. This could be one reason for HDMI being more common on modern devices. On the other hand, DVI is being phased out and replaced with USB-C on many personal-use devices. See More: What Is Network Topology? Definition, Types With Diagrams, and Selection Best Practices for 2022 What Is VGA?

Thus, dual-link DVI has double the transmission power as well as enhanced throughput and signal quality. For instance, a DVI single-link 60-Hz LCD screen can display output in a 1920×1200 resolution, while a dual-link DVI would support a 2560×1600 display resolution. VGA cables transmit analog signals, while DVI cables can transmit both digital and analog signals. As DVI is newer, it offers sharper video output compared to VGA; however, VGA offers support for longer cable lengths. DVI and VGA connectors and ports are also visually distinct, making it easy for users to tell them apart. A video graphic array (VGA) cable carries analog signals and supports video resolutions up to and including 640 x 480. A super video graphic array (SVGA) cable carries analog signals and supports high-resolutions up to and including 800 x 600. If you are a trainer, or a manager used to conducting a lot of office meetings, you know how difficult holding the attention span of an audience can be. That lesson that you may have spent the entire night working on is going to be in vain with students dozing after the first few minutes of your lecture. Those important updates that you want to give your colleagues can be lost as they doze off in the course of your meeting. One of the best ways to prevent this from happening and hold the attention of your listeners is to accompany what you say with visuals. All it takes is a VGA cable to bring about this change and make your class or meeting more productive.Video Graphics Array (VGA) and Digital Video Interface (DVI) are video connectors. While VGA is an older IT technology that has been mostly phased out in favor of newer options, DVI is still widely used and offers better image quality and resolution. A DVI-to-VGA adapter or cable would be needed if one connection is DVI and the other is VGA, with the DVI being compatible with analog signals. Today, the hardware standard of choice seems to be the HDMI interface for high-definition media applications. The DVI standard is more exclusive to specific applications in the computer space.

DVI-D cables can establish a direct digital link between a video source (such as video cards) and output device (such as LCD monitors). This type of DVI connector supports the faster transmission of higher-quality images compared to analog variants.

What is a VGA Cable? What are its Uses?

Single-link DVI and dual-link DVI are another sub-classification of the DVI standard. Digital formats are accessible using DVI-D single-link and dual-link and DVI-I single-link and dual-link type connectors. DVI cables transmit data through a digital information format known as transition minimized differential signaling (TMDS). While single-link cables are equipped with one TMDS 165Mhz transmitter, dual-link cables come with two. The main difference between VGA and HDMI connectors and cables is that VGA is used for carrying analogue signals, while HDMI is a digital standard. Each has its own unique advantages and disadvantages, depending on factors like the type of hardware you’re trying to connect and the install environment. Finally, if one connection is digital and the other is analog, a single cable cannot be used to link them, and an electronic converter box (such as an analog VGA to digital DVI/HDMI converter) would be needed.

The ideal cable length can depend on the desired resolution. An 800×600 output can be achieved with a cable as long as 100 feet, while 1024×768 and 1280×1024 resolutions require a cable between 50 and 100 feet long. Once the resolution reaches 1600×1200 or 1920×1200, the recommended cable length is 25 feet. If a longer cable must be used and used VGA is not an option, HDMI or a DVI-D cable (with the output display set to digital input) can help enhance results. Super Video Graphics Array (SVGA) cables , also known as ultra VGA or enhanced VGA, transmit analog video signals but are used for higher resolutions up to 800×600. DVI is available in three main types: DVI-I (includes pins for digital as well as analog signals), DVI-D (includes sufficient pins for transferring digital signals only), and DVI-A (only analog signals).On the other hand, some DVI manufacturers provide cables that go up to 25 feet and even offer extensions that further increase the distance covered. However, results for such long cables can vary widely depending on hardware and configuration. Finally, DVI-I is an integrated cable capable of transmitting digital-to-digital and analog-to-analog signals. This cable type is the most versatile, as one can use it in digital and analog applications. The standard VGA ports have indeed been replaced by newer connection types (such as DVI and HDMI) in most modern-day devices. However, VGA ports are still used in legacy and modern computers, televisions, monitors, projectors, laptops, and other devices for domestic and commercial applications. These familiar VGA cables and their instantly recognisable 15-pin connectors are frequently found in both home and office desktop PC setups, usually carrying a visual signal from a desktop computer to a monitor VGA input. Similarly, they’re also used for linking various other types of video output devices - such as laptops, video cards, projectors, and certain varieties of set-top boxes - to TVs, monitors, all-in-one PCs, and various other types of screened display peripherals. VGA cables transmit analog video signals and are generally compatible with video resolutions up to 640×480.

Asda Great Deal

Free UK shipping. 15 day free returns.
Community Updates
*So you can easily identify outgoing links on our site, we've marked them with an "*" symbol. Links on our site are monetised, but this never affects which deals get posted. Find more info in our FAQs and About Us page.
New Comment