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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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4,102 Results
Crucial P5 Plus 2TB Heatsink - SSD
4.5 22×
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Crucial P5 Plus 2TB Heatsink
SSD M,2 (PCIe 4,0 4x NVMe) , TLC (Triple-Level Cell), theoretical lifespan 1200TBW
129.90 €
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Order Code: CR007l3d1
ASUS TUF GAMING B550-PLUS WIFI II - Motherboard
4.7 64×
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ASUS TUF GAMING B550-PLUS WIFI II
Motherboard - AMD B550, AMD AM4 socket, PCI Express 4.0, 2× PCIe x16, 3× PCIe x1, 4× DDR4 4866MHz (OC), 6× SATA III, 2× M.2, RJ-45 (LAN) 2,5Gbps, WiFi, Bluetooth, 8ch audio, RGB backlighting, form factor: ATX
143.90 €
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Elgato Stream Deck MK.2 - Stream Deck
4.8 32×
Elgato Stream Deck MK.2
Stream Deck programmable, designed for streaming
Great price
147.90 € Save 14.30 €
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Noctua NF-A12x15-PWM - PC Fan
4.7 20×
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Noctua NF-A12x15-PWM
PC Fan - size: 120 × 15mm, 450 RPM - 1850 RPM, 12 V, maximum noise level of up to 23,9 dB, 4pin PWM
23.90 €
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Order Code: CT255w2z1
ASUS DUAL GeForce GTX 1650 4G OC GDDR6 EVO - Graphics Card
4.8 8×
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ASUS DUAL GeForce GTX 1650 4G OC GDDR6 EVO
Graphics Card - 4GB GDDR6 (12000MHz), NVIDIA GeForce Turing (TU117, 1410 MHz), Boost 1785 MHz, PCI Express x16 3.0, 128Bit, DisplayPort 1.4a, DVI-D and HDMI 2.0b
Great price
164.90 € Save 4.16 €
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AMD Ryzen 9 7900 - CPU
4.8 22×
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AMD Ryzen 9 7900
CPU - 12-core, 24 threads, 3.7GHz (TDP 65W), Turboboost 5.4GHz, Boost 5.4 GHz, 64MB L3 cache, AMD Radeon Graphics, socket AMD AM5, Raphael, box cooler
Great price
384.90 € Save 9.58 €
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Order Code: BD750k8a
Intel Core i7-13700KF - CPU
4.8 31×
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Intel Core i7-13700KF
CPU - 16-core, 24 threads, 3.4GHz (TDP 253W), Turboboost 5.4GHz, Boost 5.4 GHz, 30MB L3 cache, Without integrated graphics chip, socket Intel LGA1700, Raptor Lake, cooler not included, intel 600, 700 series chipset only
332.90 €
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Order Code: BOi713700kf
MSI GeForce RTX 3060 VENTUS 2X 12G OC - Graphics Card
4.7 49×
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MSI GeForce RTX 3060 VENTUS 2X 12G OC
Graphics Card - 12GB GDDR6 (15000MHz), NVIDIA GeForce Ampere (GA106, 1320 MHz), Boost 1807 MHz, PCI Express x16 4.0 , 192Bit, DisplayPort 1.4a and HDMI 2.1, LHR (Low Hash Rate)
393.90 €
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Order Code: EFr3060v2x2
EVOLVEO FX 650 - PC Power Supply
4.0 27×
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EVOLVEO FX 650
PC Power Supply - 650W, ATX, 80 PLUS Bronze, efficiency of 82%, 2 piece(s) PCIe (8-pin / 6+2-pin), 6 × SATA, active PFC, power switch and zero RPM mode, 140mm fan, depth of 140mm
49.90 €
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Order Code: UE107c
Zalman T6 - PC Case
4.3 13×
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Zalman T6
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, max. heat sink height: 165mm, max. graphics card length: 280mm, without power supply, side panel made of steel
32.90 €
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Order Code: CA069h7a
Patriot Viper Steel 16GB KIT DDR4 3200Mhz CL16 - RAM
4.7 50×
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Patriot Viper Steel 16GB KIT DDR4 3200Mhz CL16
RAM - 2x8GB, PC4-25600, CL16-18-18-36, voltage: 1.35V, passive cooling, Unbuffered and XMP 2,0
Great price
41.90 € Save 1.73 €
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Order Code: DP085b1b
Elgato Stream Deck + - Stream Deck
4.6 19×
Elgato Stream Deck +
Stream Deck - gaming, wired, backlit, display, USB-C, black colour
Amazing Deal
180.90 € Save 36.88 €
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Apacer AS2280P4U Pro 1TB - SSD
4.9 63×
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Apacer AS2280P4U Pro 1TB
SSD M,2 (PCIe 3,0 4x NVMe) , 3D NAND, theoretical lifespan 760TBW
69.90 €
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Order Code: APA360d4
Crucial SO-DIMM 32GB DDR4 3200MHz CL22 - RAM
5.0 42×
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Crucial SO-DIMM 32GB DDR4 3200MHz CL22
RAM - 1x32 GB, PC4-25600, voltage: 1.2V, Unbuffered
70.90 €
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In stock > 5 pcs
Order Code: CR113f1g
GIGABYTE SSD 256GB - SSD
4.9 68×
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GIGABYTE SSD 256GB
SSD 2,5", SATA III, TLC (Triple-Level Cell), theoretical lifespan 100TBW
24.90 €
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Order Code: PG100a256
TP-Link Archer T3U - WiFi USB Adapter
4.3 57×
TP-Link Archer T3U
WiFi USB Adapter - AC1300, 802.11a/b/g/n/ac up to 1267Mbps, Dual-Band (2.4GHz 400Mbps + 5GHz 867Mbps), USB 3.0
17.96 €
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Order Code: TP613g
G.SKILL 16GB KIT DDR4 3600MHz CL16 Trident RGB Neo for Ryzen 3000 - RAM
4.7 38×
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G.SKILL 16GB KIT DDR4 3600MHz CL16 Trident RGB Neo for Ryzen 3000
RAM - 2x8GB, PC4-28800, CL16-19-19-39, voltage: 1.35V, passive cooling, rgb lighting, Unbuffered and XMP 2,0
71.90 €
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Order Code: GSKILL0038
EVOLVEO FX 500 80Plus 500W bulk - PC Power Supply
4.6 37×
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EVOLVEO FX 500 80Plus 500W bulk
PC Power Supply - 500W, ATX, 80 PLUS, efficiency of 82%, 1 piece(s) PCIe (8-pin / 6+2-pin), 4 × SATA, active PFC and power switch, 140mm fan
Great price
41.90 €
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Order Code: UE107a
GAINWARD GeForce RTX 4060 Ti Ghost 8G - Graphics Card
4.7 11×
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GAINWARD GeForce RTX 4060 Ti Ghost 8G
Graphics Card - 8GB GDDR6 (18000MHz), NVIDIA GeForce Ada Lovelace (AD106, 2310 MHz), Boost 2535 MHz, PCI Express x16 4.0 , 128Bit, DisplayPort 1.4a and HDMI 2.1a
Discounted -9 %
356.90 € 394.90 €
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Order Code: EGr4060tgh1
Kingston FURY Renegade NVMe 2TB - SSD
4.9 239×
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Kingston FURY Renegade NVMe 2TB
SSD M,2 (PCIe 4,0 4x NVMe) , TLC (Triple-Level Cell), theoretical lifespan 2000TBW
194.90 €
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Order Code: FTkc3000r3
WD Purple Pro 8TB - Hard Drive
4.7 8×
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WD Purple Pro 8TB
Hard Drive - 3,5", SATA III, 256MB cache, 7200RPM, For computers, For monitoring systems and Internal
238.90 €
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In stock 2 pcs
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Order Code: FW231a1
Micron 2400 2TB - SSD
5.0 27×
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Micron 2400 2TB
SSD M,2 2230, M,2 (PCIe 4,0 4x NVMe) , QLC (Quad-Level Cell), theoretical lifespan 600TBW
Amazing Deal
158.90 € Save 9.16 €
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Order Code: CRm2400a5
MSI MAG X670E TOMAHAWK WIFI - Motherboard
4.6 30×
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MSI MAG X670E TOMAHAWK WIFI
Motherboard - AMD X670E, AMD AM5 socket, 3× PCIe x16, 1× PCIe x1, 4× DDR5 6000MHz (OC), 4× SATA III, 4× M.2, USB 3.2 Gen 2, RJ-45 (LAN) 2,5Gbps, WiFi, Bluetooth, 8ch audio, form factor: ATX
289.90 €
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Order Code: AAx670etw
Seagate IronWolf Pro 8TB - Hard Drive
4.7 17×
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Seagate IronWolf Pro 8TB
Hard Drive - 3,5", SATA III, 256MB cache, 7200RPM, For computers, Data storage and Internal
Great price
225.90 € Save 19.74 €
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In stock > 5 pcs
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Order Code: FP986a1d

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AlzaPlus+ deals 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 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 Do you want to build a customized PC?
 

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