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Do you want to build your own powerful gaming PC, a powerful workstation, or a reliable office PC and have to no idea what to choose from the enormous range of hardware available? Read on for some handy tips on how to choose the right components. To make things even clearer, we will also show you some examples of PC systems built with hardware for specific purposes.

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What Hardware Do I Need to Build My Computer?

A full-featured PC consists of a wide range of hardware. Not sure which components you need? The basic PC parts are a motherboard equipped with a processor, RAM, and a graphics card. All this is then inserted into a PC case with a PSU, or you can buy a power supply unit separately. Then add a hard drive for your data. Depending on what you need, you can also purchase a number of additional accessories for your new computer.

Hardware - Motherboard

The motherboard is the most important part of any PC and basically the foundation for all the other components. Pay extra attention to the type of socket on the motherboard, as the socket determines what processors you will be able to install. Motherboards are available in several different formats:

  • eATX is designed for high-end PC systems with multiple graphics cards.
  • ATX is great for powerful gaming computers and workstations.
  • mATX is suitable for low-cost office PCs and multimedia computers.
  • Mini ITX is recommended for compact office and HTPC computers or Media Centre PCs - they are suitable for multimedia and light, non-demanding applications.

Hardware - Processor

The processor is the brain of the whole computer. Its job is to perform the necessary computational tasks. When building a PC using individual PC parts, you need to choose a processor socket compatible with your motherboard. Depending on the purpose of your new PC, you may also have to consider the number of CPU cores.

  • 2-core processors are suitable for low-cost office assemblies.
  • 4-core CPUs are good for playing games and working with graphics programs.
  • 6-8 core processors are designed for work with demanding applications and playing the latest, most technically challenging games.
  • 8 and multi-core processors are designed primarily for powerful server systems and dedicated computing machines.

Hardware - RAM

RAM is the kind of hardware that supports the processor with computing tasks. Its capacity determines how many operations the operating system is capable of performing at the same time. So, how much RAM do you need?

  • 4GB of RAM is the minimum baseline for most operating systems today, but we recommend that you get at least 8GB to accommodate various modern applications and tasks.
  • 8GB of memory is also sufficient for more powerful office and multimedia PCs.
  • 16GB or more should be your choice if you are buying a workstation or a gaming computer.

i

DDR3 or DDR4? For low-end or mid-range systems, we recommend installing DDR3 memory modules; if you want to have a powerful, high-performance PC, make sure to choose DDR4. Before buying, always check the type of memory supported by your motherboard and processor to avoid any unpleasant surprises later on.

Hardware - Graphics Card

The graphics card is a component that is a must for any gaming PC, but it can also be used in workstations, including powerful office and multimedia PCs. The cards can be divided into four categories, according to their designation:

  • Multimedia graphics cards can handle less demanding tasks, such as watching movies and streaming high-definition videos, playing casual games, and browsing image-heavy websites.
  • Gaming graphics cards are suitable for Full HD gaming or video editing.
  • High-end GPUs are the best what today’s GPU market can offer and can handle demanding 4K games.
  • Professional graphics cards are designed for powerful workstations and are optimised for CAD programs. Despite their high performance, they aren’t particularly well-suited for gaming.

You don’t need anything fancy if you plan to build a PC purely for standard office work. A graphics card integrated on the motherboard or processor will be enough.

Hardware - Hard Drive

Hard drives are PC parts used to store and read data. The main two categories you will encounter are a classic HDD and a fast SSD.

  • For office and multimedia PCs, you should get a classic hard drive that can accommodate a large amount of data. Compared to SSDs, this type is considerably slower.
  • Workstations and gaming PCs work well with a combination of a fast SSD for the operating system and applications and a large HDD to store your files.

High-capacity SSD are also available. Unfortunately, they are still quite expensive.

Hardware - Sound Card

Sound cards are PC parts designed for users who like to listen to music in high quality. In most cases, however, an integrated sound card will be enough - these integrated cards are usually 8-channel. Music and audio enthusiasts should consider getting a powerful sound card, suitable for work with various audio software and gaming.

PC Case

When choosing a PC case, you must choose one with an interior large enough to fit all the required PC parts. PC cases can be divided into several categories:

  • Big Tower - as the name suggests, this is the largest type, suitable for high-performance, high-end PC systems. These cases have plenty of room for future expansion, water cooling, and several fans.
  • Midi Tower - the case you want for your ATX motherboard. This type is suitable for most gaming PCs and workstations.
  • Mini Tower - suitable for mATX motherboards; ideal for low-cost office and multimedia PCs.
  • Mini ITX and HTPC - these are designed for MITX motherboards and are suitable for HTPC assemblies.

Some computer cases come with the PSU already included. With others, they need to be purchased separately.

Hardware - Power Supply

The PSU should be selected with respect to the overall performance of other hardware in the system you are building. You can use this  power supply calculator to calculate the power draw of your new PC. For a modest office system, you will need a PSU with a performance of up to 350W; if you are building a demanding gaming PC or a workstation, make sure to choose an 800W PSU or higher.

Hardware - Cooling

The cooling system maintains the optimum working temperature of hardware even when your PC is under a heavy load. Unless you are building a gaming PC or a powerful workstation, you can settle for the basic cooling you get with your other PC parts. For powerful workstations and high-end gaming computers, however, you should probably consider purchasing some extra powerful fans or even a water cooling system – the most effective PC cooling type available.

PC Assembly Examples

If you are looking for some tips and ideas about specific PC types, check out our custom-built Alza PC assemblies with different components.

  1. Alza GameBox are powerful PCs designed for passionate gamers.
  2. Professional Alza PC workstations are designed for work, streaming, or video editing.
  3. Reliable Alza Office PCs are business-oriented computers for everyday office work and for a reasonable price.
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4,243 Results
Corsair AF120 RGB SLIM Black - PC Fan
5.0 2×
Corsair AF120 RGB SLIM Black
PC Fan - size: 120 × 15mm, 600 RPM - 2000 RPM, 12 V, maximum noise level of up to 27,5 dB, 4pin PWM, RGB backlighting, PWM
26.90 €
Currently Unavailable
Order Code: UYaf120sr1
Kingston FURY 32GB KIT DDR5 6400MT/s CL32 Beast White EXPO - RAM
Kingston FURY 32GB KIT DDR5 6400MT/s CL32 Beast White EXPO
RAM - 2x16GB, PC5-51200, passive cooling and AMD EXPO
Discounted -3 %
149.90 € 155.90 €
Currently Unavailable
Order Code: DEb32b64e2w
MSI MPG B650 EDGE WIFI - Motherboard
MSI MPG B650 EDGE WIFI
Motherboard - AMD B650, AMD AM5 socket, 2× PCIe x16, 1× PCIe x1, 4× DDR5 6600MHz (OC), 6× SATA III, 3× M.2, USB 3.2 Gen 2, RJ-45 (LAN) 2,5Gbps, WiFi, Bluetooth, 7.1 sound card channel(s), form factor: ATX
250.90 €
Currently Unavailable
Order Code: AAb650mew
ASROCK B760 PRO RS/D4 WIFI - Motherboard
ASROCK B760 PRO RS/D4 WIFI
Motherboard - Intel B760, Intel LGA1700 socket, PCI Express 4.0, 3× PCIe x16, 1× PCIe x1, 4× DDR4 5333MHz (OC), 4× SATA III, 3× M.2, RJ-45 (LAN) 2,5Gbps, WiFi, Bluetooth, 8ch audio, form factor: ATX
Discounted -1 %
142.90 € 144.90 €
Currently Unavailable
Order Code: ASb760prd4w2
ASROCK B760M Pro RS - Motherboard
ASROCK B760M Pro RS
Motherboard - Intel B760, Intel LGA1700 socket, 2× PCIe x16, 4× DDR5 7200MHz (OC), 4× SATA III, 3× M.2, RJ-45 (LAN) 2,5Gbps, 8ch audio, form factor: mATX (Micro ATX)
131.90 €
Currently Unavailable
Order Code: ASb760mpr
Kingston 16GB DDR4 2666MHz CL19 Server Premier - RAM
Kingston 16GB DDR4 2666MHz CL19 Server Premier
RAM - 1x16GB, PC4-21300,CL, voltage: 1.2V, ECC, registered with parity and Dual Rank
64.90 €
Currently Unavailable
Order Code: DEsp16a26a4
Kingston FURY 32GB DDR5 5600MHz CL40 Beast Black RGB - RAM
3.0 1×
Kingston FURY 32GB DDR5 5600MHz CL40 Beast Black RGB
RAM - 1x32GB, PC5-44800, voltage: 1.25V, passive cooling, rgb lighting, Dual Rank and XMP 3,0
114.90 €
Currently Unavailable
Order Code: DEb32a56br
ARCTIC Freezer 34 eSports DUO White - CPU Cooler
4.7 342×
ARCTIC Freezer 34 eSports DUO White
CPU Cooler - socket AM4 and AM5, 1150, 1151, 1155, 1156, 1200, 1700, 2011-3 and 2066, 210 W, 2x120mm fan, 4× heatpipe(s), maximum noise level of 24,4 dB, maximum speed of 2100 RPM, height of 157mm
50.90 €
As good as new
Order Code: CB129b2a
Crucial SO-DIMM 32GB DDR4 2666MHz CL19 for Mac - RAM
Crucial SO-DIMM 32GB DDR4 2666MHz CL19 for Mac
RAM - 1x32GB, PC4-21300,CL, voltage: 1.2V, for apple
78.90 €
Currently Unavailable
Order Code: CR112bf2c2
MSI MPG Z790I EDGE WIFI - Motherboard
MSI MPG Z790I EDGE WIFI
Motherboard - Intel Z790, Intel LGA1700 socket, 1× PCIe x16, 2× DDR5 8000MHz (OC), 4× SATA III, 3× M.2, USB 3.2 Gen 2, RJ-45 (LAN) 2,5Gbps, WiFi, Bluetooth, 8ch audio, form factor: mITX (Mini ITX)
367.90 €
Currently Unavailable
Order Code: AAz790miew
ASUS ROG STRIX LC II 240 - Water Cooling
ASUS ROG STRIX LC II 240
Water Cooling - complete closed set, for socket AM4 and TR4, 1150, 1151, 1155, 1156, 1200, 1366, 2011, 2011-3 and 2066, 2x120mm fan(s), max noise level of 37,6dB, max speed of 2500 RPM, RGB backlighting, dimensions (WxDxH): 272 x 121 x 27mm
174.90 €
Currently Unavailable
Order Code: AVC100slc240
Intel Pentium Gold G7400 - CPU
Intel Pentium Gold G7400
CPU - 2-core, 4 threads, 3.7GHz (TDP 46W), 6MB L3 cache, Intel UHD Graphics 710 300MHz, socket Intel LGA1700, Alder Lake-S, box cooler, RS1
Great price
98.90 € Save 1.06 €
Currently Unavailable
Order Code: BOpg7400
MSI GeForce RTX 4060 AERO ITX 8G OC - Graphics Card
MSI GeForce RTX 4060 AERO ITX 8G OC
Graphics Card - 8GB GDDR6 (17000MHz), NVIDIA GeForce Ada Lovelace (AD106, 1830 MHz), Boost 2505 MHz, PCI Express x16 4.0 , 128Bit, DisplayPort 1.4a and HDMI 2.1a
317.90 €
Currently Unavailable
Order Code: EFr4060ai2
Kingston FURY 32GB DDR4 3600MHz CL18 Renegade Black - RAM
Kingston FURY 32GB DDR4 3600MHz CL18 Renegade Black
RAM - 1x32 GB, PC4-28800, voltage: 1.35V, passive cooling, XMP 2,0 and Dual Rank
83.90 €
Currently Unavailable
Order Code: DEb4c7
Intel Core i9-13900F - CPU
Intel Core i9-13900F
CPU - 24-core, 32 threads, 1.5GHz (TDP 219W), Turboboost 5.6GHz, Boost 5.6 GHz, 36MB L3 cache, Without integrated graphics chip, socket Intel LGA1700, Raptor Lake, box cooler, intel 600, 700 series chipset only,
Great price
625.90 € Save 8.28 €
Currently Unavailable
Order Code: BOi913900f
ASUS ProArt B660-CREATOR D4 - Motherboard
ASUS ProArt B660-CREATOR D4
Motherboard - Intel B660, Intel LGA1700 socket, 2× PCIe x16, 1× PCIe x1, 4× DDR4 5333MHz (OC), 4× SATA III, 3× M.2, USB 3.2 Gen 2, USB-C, RJ-45 (LAN) 1Gbps, RJ-45 (LAN) 2,5Gbps, HDMI, DisplayPort, 8ch audio, form factor: ATX
243.90 €
Currently Unavailable
Order Code: ACb660pcd4
ASROCK B760M-HDV/M.2 D4 - Motherboard
2.5 2×
ASROCK B760M-HDV/M.2 D4
Motherboard - Intel B760, Intel LGA1700 socket, PCI Express 4.0, 1× PCIe x16, 2× PCIe x1, 2× DDR4 5333MHz (OC), 4× SATA III, 2× M.2, RJ-45 (LAN) 1Gbps, VGA, 8ch audio, form factor: mATX (Micro ATX)
101.90 €
Currently Unavailable
Order Code: ASb760hd4
ADATA LEGEND 710 256GB - SSD
ADATA LEGEND 710 256GB
SSD M,2 (PCIe 3,0 4x NVMe) , 3D NAND, theoretical lifespan 65TBW
Great price
28.90 € Save 1.87 €
Currently Unavailable
Order Code: DUl710a3
WD Black AN1500 1TB - SSD
WD Black AN1500 1TB
SSD PCIe, PCIe 3,0 8x
352.90 €
Currently Unavailable
Order Code: FW137h4
iRobot® Root® Coding Robot - Building Set
iRobot® Root® Coding Robot
Building Set for boys and girls, suitable for children from 4 years
348.90 €
Currently Unavailable
Order Code: HRAir001
WD Ultrastar DC HC330 10TB (WUS721010ALE6L4) - Hard Drive
WD Ultrastar DC HC330 10TB (WUS721010ALE6L4)
Hard Drive - 3,5", SATA III, 256MB cache, 7200RPM, For servers, Data storage and Internal
281.90 €
Currently Unavailable
Order Code: FWuh330f2
Corsair 16GB KIT DDR4 3200MHz CL16 Vengeance LPX Black - RAM
4.9 87×
Corsair 16GB KIT DDR4 3200MHz CL16 Vengeance LPX Black
RAM - 2x8GB, PC4-25600,CL, voltage: 1.35V, Low Profile, passive cooling and XMP 2,0
30.90 €
Slightly used
Order Code: DO710l8c1
Corsair 16GB KIT DDR4 3200MHz CL16 Vengeance LPX Black - RAM
4.9 87×
Corsair 16GB KIT DDR4 3200MHz CL16 Vengeance LPX Black
RAM - 2x8GB, PC4-25600,CL, voltage: 1.35V, Low Profile, passive cooling and XMP 2,0
41.90 €
Unsealed
Order Code: DO710l8c1
ID-COOLING FROZN A410 ARGB WHITE - CPU Cooler
ID-COOLING FROZN A410 ARGB WHITE
CPU Cooler - socket AM4 and AM5, 1150, 1151, 1155, 1156, 1200, 1700 and 1851, 220 W, 2x120mm fan, 4× heatpipe(s), maximum noise level of 29,9 dB, maximum speed of 2000 RPM, height of 152mm, PWM
New arrival
37.90 €
Currently Unavailable
Order Code: IDCfa410aw

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