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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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Graphics Cards Graphics Cards CPUs | Processors Processors Computer RAM Memory Hard Drives SSD & Drives Motherboards Motherboards PC Cases & PC Power Supplies Cases and Power Supplies PC Cooling Cooling Overclocking Overclocking TV Cards TV Cards Electronic Kits Electronic Kits Modding Modding Video Capture Devices Recording Equipment Crypto Mining Mining Intel Optane Intel Optane Optical Drives Optical Drives Sound Cards Sound Cards Network Cards Network Cards Controllers & Adapters Controllers and Adapters PC Cables Cables & Connectors PC Builder PC Builder How to build your own PC Alza for Business Chcete sestavit PC na míru?
 
4,016 Results
Samsung 870 EVO 500GB - SSD
4.9 939×
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Samsung 870 EVO 500GB
SSD 2,5", SATA III, TLC (Triple-Level Cell), theoretical lifespan 300TBW
60.90 €
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Order Code: SAS013g4
Noctua NH-D15 chromax.black - CPU Cooler
4.8 98×
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Noctua NH-D15 chromax.black
CPU Cooler - socket AM4 and AM5, 1150, 1151, 1155, 1156, 1200, 1366, 1700, 2011, 2011-3 and 2066, 2x140mm fan, 6× heatpipe(s), maximum noise level of 24,6 dB, maximum speed of 1500 RPM, height of 170mm, PWM
119.90 €
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ASUS TUF GAMING Z790-PLUS WIFI - Motherboard
4.6 35×
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ASUS TUF GAMING Z790-PLUS WIFI
Motherboard - Intel Z790, Intel LGA1700 socket, 2× PCIe x16, 1× PCIe x4, 2× PCIe x1, 4× DDR5 7200MHz (OC), 4× SATA III, 4× M.2, USB 3.2 Gen 2, RJ-45 (LAN) 2,5Gbps, WiFi, Bluetooth, 8ch audio, form factor: ATX
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279.90 € Save 39.91 €
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Samsung 990 PRO 2TB - SSD
4.9 217×
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Samsung 990 PRO 2TB
SSD M,2 (PCIe 4,0 4x NVMe) , TLC (Triple-Level Cell), theoretical lifespan 1200TBW
188.90 €
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Order Code: SAS990p5
Patriot P300 128GB - SSD
4.7 35×
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Patriot P300 128GB
SSD M,2 (PCIe 3,0 4x NVMe) , TLC (Triple-Level Cell), theoretical lifespan 40TBW
Amazing Deal
15.90 € Save 3.10 €
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GIGABYTE P450B - PC Power Supply
4.7 233×
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GIGABYTE P450B
PC Power Supply - 450W, ATX, 80 PLUS Bronze, efficiency of 85%, 2 piece(s) PCIe (8-pin / 6+2-pin), 6 × SATA, active PFC, thermal speed control and power switch, 120mm fan, no modular, depth of 140mm
35.90 €
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Order Code: GBZ004
AMD Ryzen 5 5600 - CPU
4.9 208×
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AMD Ryzen 5 5600
CPU - 6-core, 12 threads, 3.5GHz (TDP 65W), Boost 4.4 GHz, 32MB L3 cache, Without integrated graphics chip, socket AMD AM4 , Vermeer, box cooler, AMD Wraith Stealth
Great price
137.90 € Save 12.28 €
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GIGABYTE GeForce RTX 3060 GAMING OC 12G - Graphics Card
4.9 36×
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GIGABYTE GeForce RTX 3060 GAMING OC 12G
Graphics Card - 12GB GDDR6 (15000MHz), NVIDIA GeForce Ampere (GA106, 1320 MHz), Boost 1837 MHz, PCI Express x16 4.0 , 192Bit, DisplayPort 1.4a and HDMI 2.1, LHR (Low Hash Rate), sales limit - 1 piece/month per customer
322.90 €
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Order Code: EGr3060lg2
AMD Ryzen 5 7600X - CPU
4.8 61×
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AMD Ryzen 5 7600X
CPU - 6-core, 12 threads, 4.7GHz (TDP 105W), Turboboost 5.3GHz, Boost 5.3 GHz, 32MB L3 cache, AMD Radeon Graphics 2200MHz, socket AMD AM5, Raphael, cooler not included
Great price
228.90 € Save 5 €
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Order Code: BD750k5
Patriot P210 1TB - SSD
4.5 54×
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Patriot P210 1TB
SSD 2,5", SATA III, QLC (Quad-Level Cell), theoretical lifespan 480TBW
62.90 €
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Order Code: DP826d4
GameMax G561, Black - PC Case
Variants
4.5 29×
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GameMax G561, Black
PC Case - ATX, mATX (Micro ATX) and mITX (Mini ITX), 2× 3,5" slot(s), 2× 2,5" slot(s), USB 2.0, USB 3.2 Gen 1, Headphones and Microphone, 3x120mm LED, max. heat sink height: 160mm, max. graphics card length: 360mm, without power supply, side panel made of acrylic
38.90 €
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Order Code: gamax023
Seagate Exos 7E8 8TB Base FastFormat SATA - Hard Drive
4.4 20×
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Seagate Exos 7E8 8TB Base FastFormat SATA
Hard Drive - 3,5", SATA III, 256MB cache, 7200RPM, For servers, Data storage and Internal
177.90 €
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Order Code: FX078e1g2
PATRIOT 4GB SO-DIMM DDR3 1600MHz CL11 Signature Line - RAM
4.8 126×
PATRIOT 4GB SO-DIMM DDR3 1600MHz CL11 Signature Line
RAM - 1x4GB, PC3-12800, CL11, voltage: 1.5V, Unbuffered
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12.90 € Save 1 €
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Order Code: DP920i
Seagate Exos X22 22TB SATA Standard Model FastFormat (512e/4Kn) - Hard Drive
5.0 2×
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Seagate Exos X22 22TB SATA Standard Model FastFormat (512e/4Kn)
Hard Drive - 3,5", SATA III, 512MB cache, 7200RPM, For computers, For servers and Internal
449.90 €
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Order Code: FX080a1b1
Patriot SO-DIMM 8GB DDR4 2666MHz CL19 Signature Line - RAM
4.8 50×
Patriot SO-DIMM 8GB DDR4 2666MHz CL19 Signature Line
RAM - 1x8GB, PC4-21300, CL19-19-19-43, voltage: 1.2V, Unbuffered
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17.90 € Save 1.84 €
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Order Code: DP940e1
Kingston A400 960GB 7mm - SSD
4.9 1682×
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Kingston A400 960GB 7mm
SSD 2,5", SATA III, TLC (Triple-Level Cell), theoretical lifespan 300TBW
65.90 €
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In stock > 5 pcs
Order Code: FT132e6a3a
GIGABYTE P550B - PC Power Supply
4.7 233×
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GIGABYTE P550B
PC Power Supply - 550W, ATX, 80 PLUS Bronze, efficiency of 85%, 2 piece(s) PCIe (8-pin / 6+2-pin), 6 × SATA, active PFC, thermal speed control and power switch, 120mm fan, no modular, depth of 140mm
44.90 €
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Order Code: GBZ005
Kingston A400 240GB 7mm - SSD
4.9 1682×
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Kingston A400 240GB 7mm
SSD 2,5", SATA III, TLC (Triple-Level Cell), theoretical lifespan 80TBW
26.90 €
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Order Code: FT132e6a2
GIGABYTE P850GM - PC Power Supply
4.4 79×
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GIGABYTE P850GM
PC Power Supply - 850W, ATX, 80 PLUS Gold, efficiency of 90%, 4 piece(s) PCIe (8-pin / 6+2-pin), 8 × SATA, detachable cables, active PFC, thermal speed control and power switch, 120mm fan, full modular, depth of 140mm
93.90 €
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Order Code: GBz007
SAPPHIRE NITRO+ Radeon RX 7800 XT GAMING OC 16GB - Graphics Card
4.9 60×
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SAPPHIRE NITRO+ Radeon RX 7800 XT GAMING OC 16GB
Graphics Card - 16GB GDDR6 (19500MHz), AMD Radeon RDNA 3.0 (Navi 32, 1800 MHz), Boost 2565 MHz, PCI Express x16 4.0 , 256Bit, HDMI 2.1 and DisplayPort 2.1
Great price
603.90 € Save 15.26 €
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Order Code: ELrx7800xn2
AMD Ryzen 9 7950X - CPU
5.0 23×
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AMD Ryzen 9 7950X
CPU - 16-core, 32 threads, 4.5GHz (TDP 170W), Turboboost 5.7GHz, Boost 5.7 GHz, 64MB L3 cache, AMD Radeon Graphics 2200MHz, socket AMD AM5, Raphael, cooler not included
Great price
590.90 € Save 32.30 €
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Order Code: BD750k9
GameMax Revolt - PC Case
4.3 44×
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GameMax Revolt
PC Case - ATX, mATX (Micro ATX) and mITX (Mini ITX), 2× 3,5" slot(s), 2× 2,5" slot(s), USB 2.0, USB 3.2 Gen 1, Headphones and Microphone, 1x120mm and 3x120mm ARGB, max. heat sink height: 170mm, max. graphics card length: 340mm, without power supply, side panel made of tempered glass
54.90 €
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Order Code: gamaxS03
MSI MAG B550 TOMAHAWK - Motherboard
4.6 135×
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MSI MAG B550 TOMAHAWK
Motherboard - AMD B550, AMD AM4 socket, PCI Express 4.0, 2× PCIe x16, 2× PCIe x1, 4× DDR4 5100MHz (OC), 6× SATA III, 2× M.2, USB 3.2 Gen 2, USB-C, RJ-45 (LAN) 1Gbps, RJ-45 (LAN) 2,5Gbps, HDMI, DisplayPort, 8ch audio, RGB backlighting, form factor: ATX
136.90 €
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Order Code: AA393f3
Patriot 8GB DDR4 2666 MHz CL19 Signature Line Single Ranked - RAM
4.8 29×
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Patriot 8GB DDR4 2666 MHz CL19 Signature Line Single Ranked
RAM - 1x8GB, PC4-21300, CL19-19-19-43, voltage: 1.2V, Unbuffered
Great price
17.90 € Save 1.41 €
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In stock > 10 pcs
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Order Code: DP079g5

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Graphics Cards Graphics Cards CPUs | Processors Processors Computer RAM Memory Hard Drives SSD & Drives Motherboards Motherboards PC Cases & PC Power Supplies Cases and Power Supplies PC Cooling Cooling Overclocking Overclocking TV Cards TV Cards Electronic Kits Electronic Kits Modding Modding Video Capture Devices Recording Equipment Crypto Mining Mining Intel Optane Intel Optane Optical Drives Optical Drives Sound Cards Sound Cards Network Cards Network Cards Controllers & Adapters Controllers and Adapters PC Cables Cables & Connectors PC Builder PC Builder How to build your own PC Alza for Business Chcete sestavit PC na míru?
 

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