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Cases and Power Supplies

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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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464 Results
Seasonic Prime Ultra 850 W Titanium
PC Power Supply - 850W, ATX 2.4, 80 Plus Titanium, active PFC, 6x PCIe, 10x SATA, 135mm silent fan, fully modular cables

£208.90

excl.VAT £174.08

In stock > 5 pcs
Order Code: UE313k2c1
Zalman Z1 Neo
PC Case - midi tower, ATX, 1x 5.25", 1+3x 3.5"/ 2.5", USB 3.0, PSU not included, 3x 120mm fan, transparent side panel, black

£31.90

excl.VAT £26.58

Special Offer
In stock > 5 pcs
Order Code: CA069c1f
SilentiumPC Gladius M35W Pure Black
PC Case - ATX tower, 2x 5.25", 3x 3.5"/2.5", USB 3.0, 2x 120mm fan, speed control, PSU not included, black, transparent sidewall

£47.90

excl.VAT £39.92

In stock 2 pcs
Order Code: CB148c2
Fractal Design Integra M 450W Black
PC Power Supply - ATX 2.4, 80PLUS Bronze, 120mm silent fan, 1x PCIe, SATA 5x, modular cables, power cord

£54.90

excl.VAT £45.75

In stock 1 pcs
Order Code: CB320k5
Fractal Design Meshify C Dark TG
PC Case - tower, ATX, USB 3.0, 2x 120mm fans, sound-absorbing material, dust filters, tinted tempered glass side panels

£81.90

excl.VAT £68.25

In stock 2 pcs
Order Code: CB321k5f
Fractal Design Define C Window
PC Tower - tower, ATX, 2x 3.25"/ 3x 2.5", USB 3.0, 2x 120mm fan, sound-absorbing materials, dust filters, transparent side panel

£77.90

excl.VAT £64.92

In stock 1 pcs
Order Code: CB321k5d
Cooler Master HAF 912 Combat
PC Case - ATX, 4x 5.25", 6x 3.5"/4x 2.5", 2x USB 2.0, 2x 120mm fan, power source not included, black

£53.90

excl.VAT £44.92

In stock 3 pcs
Order Code: CC027f4
Seasonic Focus Plus 750 Gold
PC Power Supply - 750W, ATX, 80 Plus Gold, active PFC, 4x PCIe, 8x SATA, 120mm silent fan, fully modular cables

£100.90

excl.VAT £84.08

In stock > 5 pcs
Order Code: UE313s2
CORSAIR TX850M
PC Power Supply - ATX, 850W, 80 Plus Gold, 8x SATA, 4x PCIe, Semi-Modular Cables, 140mm Fan

£100.90

excl.VAT £84.08

In stock > 5 pcs
Order Code: UY006t5c
EVGA SuperNOVA 1300 G2
PC Power Supply - 1300W, 80 Plus Gold, 140mm fan, ultra-silent fan design

£221.90

excl.VAT £184.92

Special Offer
In stock > 5 pcs
Order Code: EV300h4a
EVGA 450 B3
PC Power Supply - 450W, 80 Plus Bronze, 130mm fan, modular cabling

£46.90

excl.VAT £39.08

In stock 5 pcs
Order Code: EV300k5b
Corsair RM850i
Power Supply – 850W, 80 Plus Gold, ATX, Fully modular, 135mm fan, Zero RPM fan mode at low to medium loads

£134.90

excl.VAT £112.42

In stock > 5 pcs
Order Code: UY006s5b
SilentiumPC Brutus M10
PC Tower - mini tower, ATX, 1x 5.25", 2x 3.5", 3x 2.5", 2x USB 3.0, 1x 80mm fan, PSU not included, black

£23.90

excl.VAT £19.92

In stock > 5 pcs
Order Code: CB147p
Zalman T2 Plus
PC Case - Mini Tower, mATX, 1x5.25", 0+2x3.5", 3x2.5", USB 3.0, No PSU, Black

Zalman T2 Plus - PC Case
-9%
£19.90

-9% £21.82
excl.VAT £16.58

In stock > 10 pcs
Order Code: CA069h2b
Fractal Design Focus G Mini
PC Case - MATX/ITX, 2x 3.5"/ 2.5", USB 3.0, 2x 120mm silent LED fan, without power supply, transparent side

Fractal Design Focus G Mini - PC Case
-62%
£44.90

-62% £116.90
excl.VAT £37.42

In stock 5 pcs
Order Code: CB321q
EVGA SuperNova 750 G3
PC Power Supply - 750W, 80 Plus Gold, 130mm fan with hydrodynamic bearings, modular cabling

£104.90

excl.VAT £87.42

In stock > 5 pcs
Order Code: EV206q80b
Corsair HX1000
PC Power Supply - ATX, 1000W, 80 Plus Platinum, 8x SATA, 8x PCIe, modular cables, 135mm fan

£172.90

excl.VAT £144.08

In stock > 5 pcs
Order Code: UY006v3
Corsair RM1000x
PC Power Supply - ATX, 1000W, 80 Plus Gold, 11x SATA, modular cables, 135mm fan

£167.90

excl.VAT £139.92

In stock > 5 pcs
Order Code: UY006u1e
Corsair RM650i
Power Supply – 650W, 80 Plus Gold, ATX, Fully modular, 135mm fan, Zero RPM fan mode at low to medium loads

£110.90

excl.VAT £92.42

In stock 4 pcs
Order Code: UY006s3a
Corsair Air 240 Carbide Series white
PC Case - mid-tower, micro ATX, 3x 3.5", 3x 2.5", USB 3.0

£73.90

excl.VAT £61.58

Special Offer
In stock > 5 pcs
Order Code: UY008i2d
EVGA 600W
PC Power Supply - 80 Plus, 120mm fan, ultra-quiet fan design

£42.90

excl.VAT £35.75

In stock > 5 pcs
Order Code: EV300j2a
Corsair SF600
PC Power Supply - SFX, 600W, 80 Plus Gold, 4x SATA, modular cables, 92mm fan

£97.90

excl.VAT £81.58

In stock 2 pcs
Order Code: UY006t4b
Corsair RM750i
Power Supply – 750W, 80 Plus Gold, ATX, Fully modular, 135mm fan, zero rpm fan mode at low to medium loads

£117.90

excl.VAT £98.25

In stock > 5 pcs
Order Code: UY006s4b
EVGA 550 B3
PC Power Supply - 550W, 80 Plus Bronze, 130mm fan, modular cables

£51.90

excl.VAT £43.25

In stock > 5 pcs
Order Code: EV300k5c
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Cases and Power Supplies

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