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The 16-pin PCIe 5.0 12VHPWR connection or the later improved 12V-2x6 version provide 12V power to select high-end graphics cards.

The main bank of 12 pins provides power while the four smaller pins in the row above are used by the GPU to communicate with the PSU about how much power it needs. Despite having 16-pins the new connector is approximately the same size as the old 8-pin PCIe, but can transmit more current, enabling more powerful graphics cards.

PC components emit a lot of waste heat, and whether you opt for an air-cooler, all-in-one hydrocooler or custom watercooling loop your case will need fans to keep everything cool.

This category contains a huge variety of 80mm and 92mm fans, these are typically used in small form cases and rackmount server cases.

Keep an eye out for the airflow, normally measured in CFM (Cubic Feet per Minute) with a higher number indicating more airflow. It's also worth looking at the sound level, normally measured in dBA, with a lower number indicating less noise.

Wireless access points (WAPs) are standalone devices designed to be connected to a wired router or plug socket in the case of HomePlug WAPs, to provide wireless access for portable devices such as laptops and smart phones. In the home access points are usually built in a broadband router, however in business separate access points are common as they offer flexibility of placement (often featuring PoE technology) and better coverage when multiple units are deployed.

Wireless access points usually feature detachable antennas so alternative more specialist ones can be fitted. These are either for covering wider areas, or transferring a wireless signal over greater distances.

Audio cables are designed to transfer sound signals from one device to another, whilst some video cables can carry both audio and video data.

These adaptors are designed to convert or split one AV format to another, such as HDMI to VGA and analog audio.

Power cables are an essential part of any PC build - either internally to connect components or externally for mains power.

These braided cables are a modders dream, replacing the standard cables for case, heatsink or radiator fans inside your PC. The braided sleeving ensures a neat cable which means less obstruction to your case's airflow. Always check individual specifications of the cables for the connectors / plug types.

Power cables are an essential part of any PC build - either internally to connect components or externally for mains power.

These braided cables are a modders dream, replacing the standard cables that connect the PSU to the motherboard, graphics card and drives inside your PC. The braided sleeving ensures a neat cable which means less obstruction to your case's airflow. Always check individual specifications of the cables for the connectors / plug types.

PC cases are more than just a box, they help to keep all the components cool and working optimally. PC cases are personal too, coming in a huge variety of shapes, sizes, colours and materials.

This category includes a wide variety of lighting strips and accessories to customise the look of your system.

PC cases are more than just a box, they help to keep all the components cool and working optimally. PC cases are personal too, coming in a huge variety of shapes, sizes, colours and materials.

This category includes adaptors that enable you to install different types of storage drive in your PC. For instance, installing a 3.5in drive in a 5.25in bay or installing drives internally onto proprietary mounts in specific cases.

DisplayPort is one of the most popular standards for connecting displays to PCs and laptops. Originating in 2008, since then it has evolved into various revisions, adding support for progressively higher resolutions and refresh rates.

Make sure to check which versions of DisplayPort your devices support so you can choose a compatible cable.

Docking stations extend the functionality of laptops, adding more USB ports for peripherals and display ports for external monitors. Some docking stations also add a RJ45 LAN port, useful if your thin and light laptop doesn't have a port of its own.

External storage devices provide a quick and easy way to expand the data storage of your PC or and laptop.

These external enclosures are unpopulated so you can install your choice of or 2.5in HDD or SSD. These usually use USB 3.0 to connect to the system at up to 5Gb/s.

External storage devices provide a quick and easy way to expand the data storage of your PC or and laptop.

These external enclosures are unpopulated so you can install your choice of M.2 SATA or NVMe SSD. Most use USB 3.0 / 3.1 connections at up to 5Gb/s or USB 3.2 at up to 10Gb/s, or Thunderbolt connections at up to 40Gb/s, and many include backup applications and cloud subscriptions for added security.

Vibrations are an unwelcome side effect of any fan, these rubber mounts replace standard screws, helping to absorb vibrations and make your system quieter.

Memory cards are a type of portable flash storage device that are commonly used in portable electronic devices such as digital cameras, some mobile phones and various handheld devices.

These card readers may be compact with a single type of slot or feature numerous slots to make them compatible with all the different types of card and older standards too such as Compact Flash. They all connect via USB to transfer data.

A gaming mouse is a vital peripheral for PC gamers, and regardless of your budget it's important to pick the right one. The most important consideration is what sort of feel you want. For instance, most cheaper mice use a common shape, whereas gaming and specialist mice are designed for better ergonomic fit and improved comfort over longer usage periods.

These accessories enhance your gaming by providing a better surface for your mouse, improving its accuracy and responsiveness.s.

Mouse mats are available in a wide variety of shapes, from traditional rectangular designs to massive widescreen format mats, what’s right for you depends on the space you have available.

You can also choose between soft fabric mats and hard plastic mouse mats, choosing one over the other is purely down to personal preference – there is no clear advantage of one over the other. Finally, some mouse mats also include RGB lighting and Qi wireless charging when wired up to your PC over USB.

From display adapters to power cables, these accessories help you get the most from your graphics card.

PC cases are more than just a box, they help to keep all the components cool and working optimally. PC cases are personal too, coming in a huge variety of shapes, sizes, colours and materials.

This category includes riser cables and mounting kits that enable you to mount a graphics card vertically instead of horizontally.

Maximise the performance of your HDD or SSD. Coolers allow you to keep high performance SSDs or HDDs operating at their best.

Here you will find various adaptors and other miscellaneous equipment for internal SSDs and HDDs to help adapt them to your requirements.

This range of removable caddies enables you to hot-swap one or more 2.5in or 3.5in HDDs or SSDs in a desktop PC or tower server with sufficient free drive bays.

HDMI is one of the most popular standards for connecting displays to PCs and laptops along with consumer electronics such as TVs, projectors, Blu-ray players and receivers. Originating in 2002, since then it has evolved into various revisions, adding support for progressively higher resolutions, refresh rates and audio quality.

These adaptors convert HDMI connections into other types of digital interface such as DisplayPort, DVI and USB.

HDMI is one of the most popular standards for connecting displays to PCs and laptops along with consumer electronics such as TVs, projectors, Blu-ray players and receivers. Originating in 2002, since then it has evolved into various revisions, adding support for progressively higher resolutions, refresh rates and audio quality.

Make sure to check which versions of HDMI your devices support so you can choose a compatible cable.

Data cables are an essential part of any PC build, connecting internal components or external devices, allowing transfer of data and power.

These cables were common in older systems connecting HDDs, FDDs, optical drives and fans case fans to the motherboard.

Intel CPUs produce a lot of waste heat, and without a sufficient cooler will overheat, shutting down or damaging your system. It’s critical therefore to choose an appropriate CPU cooler.

This category lists a huge variety of air-coolers for Intel Core, Pentium and Celeron CPUs. Before you start browsing it’s important to know what CPU you have, as each generation of Intel CPUs uses different processor sockets and mounting mechanisms. Check your component documentation or our buyers guide to find out which sort of CPU cooler you should be looking for.

It's also a good idea to check the dimensions of the air-cooler you're interested in versus your case, as some air-coolers are too large to fit in all cases.

PC cases are more than just a box, they help to keep all the components cool and working optimally. PC cases are personal too, coming in a huge variety of shapes, sizes, colours and materials.

It’s important to choose the right case for your PC because components such as motherboards, CPU coolers, graphics cards, power supplies and drives come in a wide variety of sizes, and also have their own cooling requirements. Check your component documentation or our buyers guide to find out which sort of case is right for you.

These miniature cases are compatible with the Asus (formerly Intel) range of NUC motherboards. Most models are passively cooled, using the entire case as a giant heatsink instead of fans to cool the components inside.

PC cases are more than just a box, they help to keep all the components cool and working optimally. PC cases are personal too, coming in a huge variety of shapes, sizes, colours and materials.

This category includes a wide variety of lighting strips and accessories to customise the look of your system.

AMD and Intel CPUs produce a lot of waste heat, and without a sufficient cooler will overheat, shutting down or damaging your system. It’s critical therefore to choose an appropriate CPU cooler.

This category lists a huge variety of low-profile air-coolers for AMD and Intel CPUs. Low-profile air-coolers are shorter than typical coolers, handy for when you're building a small form factor PC or have a desktop rather than tower case.

Before you start browsing it’s important to know what sort of CPU you have, as AMD and Intel CPUs use different processor sockets and mounting mechanisms. These designs can change over time too, so its important to check your component documentation or our buyers guide to find out which sort of CPU cooler you should be looking for.

These adaptors enable you to install SSDs in different ways, for example enabling you mount M.2 drives in a PCIe slot.

Power cables are an essential part of any PC build - either internally to connect components or externally for mains power.

These cables and accessories are common power supply options for regular 3-pin plug mains or rackmount driven IEC connectors.

A network card is designed to connect a laptop, PC, workstation or server to a network, enabling communication with other internal users via network switches or access points; and the outside world via a router.

These cards are designed for an internal PCIe slot of a system, feature RJ45 ports and will provide wired connectivity based on Ethernet at speeds up to 10Gb/s.

Data cables are an essential part of any PC build, connecting internal components or external devices, allowing transfer of data and power.

These SATA cables provide a data connection from the motherboard to SATA HDDs and SSDs.

Dust build-up over time is an inevitable side effect of sucking cool air into the interior of your PC to keep it cool. These filters help reduce the amount of dust that gets inside your PC, helping to keep it run cool and looking good.

These cables are very handy when you've run out of fan headers on your motherboard, converting an unused Molex connector on your PSU to multiple 4-pin fan headers.

PC components produce a lot of waste heat, and without a sufficient cooler will overheat, shutting down or damaging your system. It’s critical therefore to choose an appropriate CPU cooler.

The products in this category provide a quick and easy way to remove unwanted Thermal Interface Material (TIM) without damaging your components. This may be because you're upgrading and need to replenish the TIM or want to replace the current TIM with a superior TIM.

PC components produce a lot of waste heat, and without sufficient cooling will overheat, shutting down or damaging your system. It’s critical therefore to choose an appropriate cooler.

The last thing to bear in mind when choosing a cooler is Thermal Interface Material (TIM). TIM helps conduct heat out of the CPU, GPU or RAM into the cooler by smoothing out imperfections in the surface on either side and is essential for good cooling.

These particular thermal pads are an alternative to liquid form of TIM most commonly used with CPU coolers. Thermal pads are pre-cut to be compatible with specific compnents such as GPUs and graphics card VRAM, so make sure to choose the right size pads for your components.

PC components produce a lot of waste heat, and without a sufficient cooling will overheat, shutting down or damaging your system. It’s critical therefore to choose an appropriate cooler.

The last thing to bear in mind when choosing a CPU, GPU or SSD cooler is Thermal Interface Material (TIM). This is a thin layer of paste that you spread out between the top of the component and the bottom of the heatsink or waterblock. TIM helps conduct heat out of the CPU by smoothing out imperfections in the surface on either side and is essential for good cooling.

Many coolers come with TIM pre-applied or packaged in a small syringe for you to apply, but it's worth checking before ordering. You can check for the presence of TIM on the product page of the cooler on the Scan website and clicking on the Specifications tab.

USB cables transfer data such as text, images, AV signals and power from one device to another. They may either have the same connectors at each end or convert between different types of port. Originating in 1996, since then USB has evolved into various revisions, adding support for progressively higher transfer rates.

These USB 1.1 and 2.0 cables support throughput at up to 12Mbps or 480Mbps respectively using either the large Type-A connector and/or one of the smaller connectors, so make sure you choose a compatible cable.

USB cables transfer data such as text, images, AV signals and power from one device to another. They may either have the same connectors at each end or convert between different types of port. Originating in 1996, since then USB has evolved into various revisions, adding support for progressively higher transfer rates.

These USB 3.0 cables support throughput at up to 5Gbps using either the large Type-A connector and/or one of the smaller connectors, so make sure you choose a compatible cable.