Cases and 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.
EVGA 750 BQ In stock > 5 pcs and in 7 stores
PC Power Supply - 750W, ATX, 80 PLUS Bronze, efficiency of 85%, 3 piece(s) PCIe (8-pin / 6+2-pin), 9 × SATA, detachable cables, thermal speed control and power switch, 140mm fan, Semi modular, depth of 165mm
1 859,-

2.
EVGA SuperNOVA 650 GT In stock > 5 pcs and in 3 stores
PC Power Supply - 650W, ATX, 80 PLUS Gold, efficiency of 92%, 3 piece(s) PCIe (8-pin / 6+2-pin), 6 × SATA, detachable cables, thermal speed control, power switch and zero RPM mode, 135mm fan, full modular, depth of 150mm
2 159,-

3.
be quiet! Pure Base 500DX Black In stock > 5 pcs and in 16 stores
PC Case - ATX, mATX (Micro ATX) and mITX (Mini ITX), 2× 3,5" slot(s), 5× 2,5" slot(s), USB 3.2 Gen 1 (USB 3.0), USB-C and Headphones / Microphone, 3x140mm, max. heat sink height: 190mm, max. graphics card length: 369mm, without power supply, side panel made of tempered glass
-11%
2 999,-
2 679,-

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be quiet! Pure Base 500DX Black - PC Case
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be quiet! Pure Base 500DX Black
PC Case - ATX, mATX (Micro ATX) and mITX (Mini ITX), 2× 3,5" slot(s), 5× 2,5" slot(s), USB 3.2 Gen 1 (USB 3.0), USB-C and Headphones / Microphone, 3x140mm, max. heat sink height: 190mm, max. graphics card length: 369mm, without power supply, side panel made of tempered glass

-11% 2 999,-
2 679,- excl.VAT 2 214,-
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Can be delivered: today to 2:35
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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

1 949,- excl.VAT 1 611,-
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Fractal Design ION + 760P
PC Power Supply - 760W, ATX, 80 PLUS Platinum, 6 piece(s) PCIe (8-pin / 6+2-pin), 10 × SATA, detachable cables, heatsink, thermal speed control, power switch and zero RPM mode, 140mm fan, full modular, depth of 150mm

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Seasonic Core GM 500W Gold
PC Power Supply - 500W, ATX, 80 PLUS Gold, efficiency of 90%, 2 piece(s) PCIe (8-pin / 6+2-pin), 6 × SATA, detachable cables, active PFC, thermal speed control and power switch, 120mm fan, Semi modular, depth of 140mm

1 769,- excl.VAT 1 462,-
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Can be delivered: today from 8:00
In stock > 5 pcs
Order Code: UE313s1c
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Seasonic Core GM 650W Gold
PC Power Supply - 650W, ATX, 80 PLUS Gold, efficiency of 90%, 4 piece(s) PCIe (8-pin / 6+2-pin), 6 × SATA, detachable cables, active PFC, thermal speed control and power switch, 120mm fan, Semi modular, depth of 140mm

1 989,- excl.VAT 1 644,-
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Can be delivered: today from 8:00
In stock > 5 pcs
Order Code: UE313s2c
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EVGA 750 GQ Power Supply
PC Power Supply - 750W, ATX, 80 PLUS Gold, efficiency of 92%, 6 piece(s) PCIe (8-pin / 6+2-pin), 9 × SATA, detachable cables, active PFC, thermal speed control and power switch, 135mm fan, Semi modular, depth of 165mm

2 290,- excl.VAT 1 893,-
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Special Offer
Can be delivered: today to 2:35
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EVGA SuperNOVA 750 GT
PC Power Supply - 750W, ATX, 80 PLUS Gold, efficiency of 92%, 4 piece(s) PCIe (8-pin / 6+2-pin), 6 × SATA, detachable cables, active PFC, thermal speed control, power switch, zero RPM mode and dual EPS, 135mm fan, full modular, depth of 150mm

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Corsair RM1000x
PC Power Supply - 1000W, ATX, 80 PLUS Gold, efficiency of 90%, 8 piece(s) PCIe (8-pin / 6+2-pin), 11 × SATA, detachable cables, active PFC, thermal speed control, power switch and zero RPM mode, 135mm fan, full modular, depth of 180mm

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Corsair CV550
PC Power Supply - 550W, ATX, 80 PLUS Bronze, efficiency of 88%, 2 piece(s) PCIe (8-pin / 6+2-pin), 7 × SATA, active PFC, thermal speed control and power switch, 120mm fan, depth of 125mm

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Corsair RM850x (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, thermal speed control, power switch, zero RPM mode, DC-DC converters and Triple EPS, 135mm fan, full modular, depth of 160mm

3 690,- excl.VAT 3 050,-
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Can be delivered: today to 2:35
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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

3 390,- excl.VAT 2 802,-
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Special Offer
Can be delivered: today to 2:35
In stock > 5 pcs
Order Code: UY006rm75a
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EVGA 850 GQ Power Supply
PC Power Supply - 850W, ATX, 80 PLUS Gold, efficiency of 92%, 8 piece(s) PCIe (8-pin / 6+2-pin), 9 × SATA, detachable cables, active PFC, thermal speed control and power switch, 135mm fan, Semi modular, depth of 180mm

-13% 2 990,-
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Can be delivered: today to 2:35
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be quiet! Pure Base 500DX White - PC Case Variants
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be quiet! Pure Base 500DX White
PC Case - ATX, mATX (Micro ATX) and mITX (Mini ITX), 2× 3,5" slot(s), 5× 2,5" slot(s), USB 3.2 Gen 1 (USB 3.0), USB-C, Headphones, Microphone and USB 3.2 Gen 2, 3x140mm, max. heat sink height: 190mm, max. graphics card length: 369mm, without power supply, side panel made of tempered glass

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SG SilentiumPC SG1X TG RGB
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, 4x120mm RGB, max. heat sink height: 161mm, max. graphics card length: 325mm, without power supply, side panel made of tempered glass

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Can be delivered: today to 2:35
In stock > 5 pcs
Order Code: CB161a
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Seasonic Prime 1300 W Gold
PC Power Supply - 1300W, ATX, 80 PLUS Gold, 8 piece(s) PCIe (8-pin / 6+2-pin), 14 × SATA, detachable cables, active PFC, thermal speed control and power switch, 135mm fan, full modular, depth of 170mm

6 599,- excl.VAT 5 454,-
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Can be delivered: today from 8:00
In stock > 5 pcs
Order Code: UE313o6
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Seasonic Focus 750 Gold Semi-modular
PC Power Supply - 750W, ATX, 80 PLUS Gold, efficiency of 87%, 4 piece(s) PCIe (8-pin / 6+2-pin), 8 × SATA, detachable cables, active PFC, thermal speed control and power switch, 120mm fan, Semi modular, depth of 140mm

2 299,- excl.VAT 1 900,-
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Can be delivered: today to 2:35
In stock > 5 pcs
Order Code: UE313s2b
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Zalman S4
PC Case - ATX, mATX (Micro ATX) and mITX (Mini ITX), 1× 2,5" slot(s), 2× 2.5"/3.5" slot(s), USB 2.0, USB 3.2 Gen 1 (USB 3.0), Headphones and Microphone, 2x120mm, max. heat sink height: 160mm, max. graphics card length: 315mm, without power supply, side panel made of acrylic

790,- excl.VAT 653,-
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Seasonic Focus Plus 1000 Gold
PC Power Supply - 1000W, ATX, 80 PLUS Gold, efficiency of 90%, 6 piece(s) PCIe (8-pin / 6+2-pin), 10 × SATA, detachable cables, active PFC, thermal speed control, power switch and zero RPM mode, 120mm fan, full modular, depth of 140mm

-9% 4 399,-
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Can be delivered: today to 2:35
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Seasonic Focus 650 Gold Semi-Modular
PC Power Supply - 650W, 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, Semi modular, depth of 140mm

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Special Offer
Can be delivered: today from 8:00
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Seasonic Focus GX 750W Gold
PC Power Supply - 750W, ATX, 80 PLUS Gold, efficiency of 90%, 4 piece(s) PCIe (8-pin / 6+2-pin), 10 × SATA, detachable cables, active PFC, thermal speed control, power switch and zero RPM mode, 120mm fan, full modular, depth of 140mm

2 899,- excl.VAT 2 396,-
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Special Offer
Can be delivered: today to 2:35
In stock > 5 pcs
Order Code: UE314gx75
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GIGABYTE AORUS P850W 80+ GOLD Modular
PC Power Supply - 850W, ATX, 80 PLUS Gold, efficiency of 90%, 6 piece(s) PCIe (8-pin / 6+2-pin), 8 × SATA, detachable cables, active PFC, thermal speed control, power switch and zero RPM mode, 135mm fan, full modular, depth of 160mm

3 099,- excl.VAT 2 561,-
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Can be delivered: today to 2:35
In stock > 5 pcs
Order Code: GBz008
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Seasonic B12 BC-550 Bronze
PC Power Supply - 550W, ATX, 80 PLUS Bronze, efficiency of 82%, 2 piece(s) PCIe (8-pin / 6+2-pin), 3 × SATA, thermal speed control and power switch, 120mm fan, depth of 140mm

1 199,- excl.VAT 991,-
Buy
Special Offer
Can be delivered: today to 2:35
In stock > 5 pcs
Order Code: UE314bc550
Add to PC configurator
Seasonic Focus GX 850 Gold
PC Power Supply - 850W, ATX, 80 PLUS Gold, efficiency of 90%, 6 piece(s) PCIe (8-pin / 6+2-pin), detachable cables and power switch, 120mm fan, full modular, depth of 150mm

-13% 3 799,-
3 299,- excl.VAT 2 726,-
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Can be delivered: today from 8:15
In stock > 5 pcs
Order Code: UE314gx85v2
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Seasonic Focus GX 650W Gold
PC Power Supply - 650W, ATX, 80 PLUS Gold, efficiency of 88%, 4 piece(s) PCIe (8-pin / 6+2-pin), 10 × SATA, detachable cables, active PFC, thermal speed control, power switch and zero RPM mode, 120mm fan, full modular, depth of 140mm

2 499,- excl.VAT 2 065,-
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Cases and Power Supplies

In the category Cases and Power Supplies on Alza.cz, we currently have a total of 926 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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