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PC Cases & PC Power Supplies

PC cabinets and power supplies are related to each other. They are often sold as assembled sets, and having compatible components allow for the proper storage and operation of the entire computer. Maybe it's not your goal to increase the number of frames per second in your gameplay, but it pays to invest in it. You'll avoid unnecessary complications, your components will be better protected, and the best outcome is that your electricity bill will be reduced.

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PC Cabinets

The PC cabinet, also known as the PC case, is the frame and housing for the computer. The components are inserted so that they are properly cooled, organised and protected from dust and dirt.

While cheaper cabinets are, in reality, just pieces of sheet metal with spaces for components, more expensive cabinets can, in addition to being made of better materials, also have:

  • various sound-absorbing elements
  • quality fans included
  • advanced cabling options
  • dust filters
  • dedicated space for large water coolers
  • at least partial modular

PC cabinets are catgorised by size. A larger cabinent can hold more components, some of which may be quite large, based on performance. The following table shows range of sizes:

Type of PC cabinetSupported motherboard formatsSupported source typesMax. length of the graphics cardPositions for fansExternal 3.5" positionsExternal 5.25" positions
Full TowereATX, ATX, mATX, mITXATXTo the length of 400+ mmUp to 10+ 1-3 positionsUp to 8 positions
Mid TowerATX, mATX, mITXATXUp to 350-400mmUp to 8 1-2 positionsUp to 5 positions
Mini TowermATX, mITXATXUp to 300-350mmUp to 6 1-2 positionsUp to 3 positions
Mini ITXmITXSFXUp to 200-300mmUp to 4 1 position0-1 positions
Desktop and HTPCmATX, mITXATX, SFX, externalUp to 150-200mmUp to 3 1 position

0-1 positions

PC Power Supply

The PC power supply has the task of transforming the input voltage from the power source into the voltage levels compatible with the individual components of the computer hardware. It has a lot to do with different efficiency levels. A higher efficiency means that the power supply, at the same power input, delivers more power to the components, so little energy is wasted. To simplify the distribution of PC resources, the 80 PLUS certification is used in addition to its efficiency, which makes it easy to recognize high-quality resources.

PerformanceUseConfiguration Example*
to 349GBLow class office and gaming PCsIntel Core i3, NVIDIA GeForce GTX 1050
350 to 499WMiddle-class gaming machinesIntel Core i5, NVIDIA GeForce GTX 1050 Ti
500 to 599WMid-range gaming machinesIntel Core i5 (K), NVIDIA GeForce GTX 1060/GTX 1070
600 to 799WHigh-end gaming machinesIntel Core i7 (K), NVIDIA GeForce GTX 1080/GTX 1080 Ti
800W or moreHigh-end gaming PCs, workstations, serversIntel Core i7 (K), 2 × GTX 1080 Ti SLI

Noise Cushioning

There are special cabinets desgined to reduce the noise of or totally silence your computer. Of course, it is important that the components themselves are properly cooled, but it is possible to sound-proof the cabinet itself.

Some computer components, such as hard drives, power sources, and fans, are screwed directly into the metal parts of the PC case. This is not entirely ideal from the point of view of noise, as vibrations can be transmitted into a noticeable amount of noise. A solution to is are antivibration pillars and washers, which are usually made of plastic or rubber. This effectively eliminates audible vibrations.

Another possibility of sound absorption is sound-absorbing materials that are placed on the sides of the PC cabinet where they effectively absorb sound.

i Take advantage of the Alza PC assembly service! Have your computer assembled by a professional.

Cabinet Fans

Fans in the PC cabinet are an integral part of every well-cooled computer. They have the task of keeping the airflow constant and strong enough in the cabinet to keep the components safely cool. Optimal flow directions are front to back and bottom up. Depending on the location of the ventilators, we distinguish three types of pressure inside the cabinet:

  • Overpressure - this is achieved by placing more fans on the intake side than on the exhaust side. With overpressure, virtually all dust is driven through the cabinet, making the computer cleaner for longer.
  • Vacuum pressure - a vacuum is created by placing a large number of fans on the PC cabinet exhaust. The advantage of this configuration is better cooling, but dust can get into the computer from cracks and open spaces so the build-up of dirt is faster.
  • Balanced pressure - to acheive balanced pressure, the same amount of fans are used for the outlet must also be used for the input. Because it is a compromise combining the benefits of vacuum and overpressure, this solution has become popular with many users.
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Best Sellers

1.
SXT IRONMAN-2084 In stock > 5 pcs and in 6 stores
PC Case - ATX, 2× 3,5" slot(s), 2× 2,5" slot(s), USB 2.0, USB 3.2 Gen 1 (USB 3.0), Headphones and Microphone, without power supply, side panel made of
2 219,-

2.
Corsair RM850 (2021) In stock > 5 pcs and in 20 stores
PC Power Supply - 850W, ATX, 80 PLUS Gold, efficiency of 90%, 4 piece(s) PCIe (8-pin / 6+2-pin), 14 × SATA, detachable cables, active PFC, thermal speed control, power switch, zero RPM mode, DC-DC converters and Triple EPS, 140mm fan, full modular, depth of 160mm
3 499,-

3.
EVGA 650 BQ In stock > 5 pcs and in 7 stores
PC Power Supply - 650W, ATX, 80 PLUS Bronze, efficiency of 85%, 2 piece(s) PCIe (8-pin / 6+2-pin), 1 × PCIe (6-pin), 7 × SATA, detachable cables, thermal speed control and power switch, 140mm fan, Semi modular, depth of 165mm
1 759,-

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be quiet! Pure Base 500DX Black - PC Case Variants
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Corsair RM850 (2021)
PC Power Supply - 850W, ATX, 80 PLUS Gold, efficiency of 90%, 4 piece(s) PCIe (8-pin / 6+2-pin), 14 × SATA, detachable cables, active PFC, thermal speed control, power switch, zero RPM mode, DC-DC converters and Triple EPS, 140mm fan, full modular, depth of 160mm

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Corsair RM750x (2021)
PC Power Supply - 750W, ATX, 80 PLUS Gold, efficiency of 90%, 4 piece(s) PCIe (8-pin / 6+2-pin), 10 × SATA, detachable cables, thermal speed control, power switch, zero RPM mode, DC-DC converters and dual EPS, 135mm fan, full modular, depth of 160mm

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GameMax Nova N6
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 (USB 3.0), Headphones and Microphone, 1x120mm ARGB, max. heat sink height: 156mm, max. graphics card length: 360mm, without power supply, side panel made of tempered glass

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Corsair RM750 (2021)
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EVGA 650 BQ
PC Power Supply - 650W, ATX, 80 PLUS Bronze, efficiency of 85%, 2 piece(s) PCIe (8-pin / 6+2-pin), 1 × PCIe (6-pin), 7 × SATA, detachable cables, thermal speed control and power switch, 140mm fan, Semi modular, depth of 165mm

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GameMax Draco XD / A363-TA
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GIGABYTE P850GM
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Fractal Design Meshify S2 TG Light - PC Case
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Fractal Design Meshify S2 TG Light
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be quiet! Pure Base 500DX White
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NZXT H510 Flow Black
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Seasonic Core GC 500W Gold
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GameMax Silent HILL / H606
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Corsair RM650x (2021)
PC Power Supply - 650W, ATX, 80 PLUS Gold, efficiency of 90%, 4 piece(s) PCIe (8-pin / 6+2-pin), 7 × SATA, detachable cables, thermal speed control, power switch, zero RPM mode, DC-DC converters and dual EPS, 135mm fan, full modular, depth of 160mm

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Seasonic Focus Plus 1000 Gold
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Seasonic Focus GX 650W Gold
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SilverStone Strider Platinum ST85F-PT 850W
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MSI MAG VAMPIRIC 010M
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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

999,- excl.VAT 826,-
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SilentiumPC Signum SG1 TG
PC Case - ATX, mATX (Micro ATX) and mITX (Mini ITX), 2× 2,5" slot(s), 2× 2.5"/3.5" slot(s), USB 3.2 Gen 1 (USB 3.0), Headphones and Microphone, 2x120mm, max. heat sink height: 161mm, max. graphics card length: 325mm, without power supply, side panel made of tempered glass

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Corsair iCUE 4000X RGB Tempered Glass Black
PC Case - ATX, mATX (Micro ATX), mITX (Mini ITX) and eATX (Extended ATX), 2× 3,5" slot(s), 2× 2,5" slot(s), USB 3.2 Gen 1 (USB 3.0), USB-C and Headphones / Microphone, 3x120mm RGB, max. heat sink height: 170mm, max. graphics card length: 360mm, without power supply, side panel made of tempered glass

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Can be delivered: today from 8:00
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GameMax Nova N5
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 (USB 3.0), Headphones and Microphone, 1x120mm ARGB, max. heat sink height: 156mm, max. graphics card length: 360mm, without power supply, side panel made of tempered glass

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PC Cases & PC Power Supplies

In the category PC Cases & PC Power Supplies on Alza.cz, we currently have a total of 696 products, which you can easily buy online and get quickly delivered. See all of your purchases and make orders on our easy-to-use app.

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