Advertising Disclosure Computer Cases Comparison - August 2025
3 Best Computer Cases In the UK
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service levels, popularity trends, and more. The rankings reflect our opinion and should be a good starting point for shopping. By purchasing the products we rank, you’ll get the lowest price we found while we may receive a commission at no cost to you, which will help us continue to provide you with value.
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| 1 Best Choice  9.8Exceptional | 2 Best Value  9.7Exceptional | 3  9.6Exceptional |
| View DealOn Amazon | View DealOn Amazon | View DealOn Amazon |
ModelMSI MAG FORGE 100R Mid Tower Gaming Computer Case (Black, 2x 120mm ARGB PWM Fan, 1x 120mm Fan, 1-6 ARGB Hub, Tempered Glass, MSI Center, ATX, mATX, mini-ITX) | Model CORSAIR FRAME 4000D Modular Mid-Tower ATX PC Case – High Airflow, InfiniRail™ Fan Mounting System, Dual 360mm Radiator Support, ASUS BTF, MSI Project Zero, Gigabyte Project Stealth – Black | Model CiT Flash ARGB PC Gaming Case, Micro-ATX, 4 x 120mm ARGB Rainbow Fans Included, Tempered Glass, LED Button, 8 Fan Support, Water-Cooling Ready | Black |
BrandMSI | Brand Corsair | Brand CiT |
Reviews | Reviews | Reviews |
Tech Specs | ||
product dimensions43.3 x 21 x 49.1 cm 5.64 kg | product dimensions 48.7 x 23.9 x 48.6 cm 7.8 kg | product dimensions 38.4 x 19.5 x 39.7 cm 5.05 kg |
Available On | Available On | Available On |
Our Top 3 Picks
Here are the top 3 recommended products with more information to help you find the right product for you
9.8
1MSI29% OffMSI MAG FORGE 100R Mid Tower Gaming Computer Case (Black, 2x 120mm ARGB PWM Fan, 1x 120mm Fan, 1-6 ARGB Hub, Tempered Glass, MSI Center, ATX, mATX, mini-ITX)
Why we love it
Stylish tempered glass side panel.
Comprehensive cooling support.
User-friendly cleaning features.
Main highlights- The case of magnetic dust filter on top side is designed to give users the best experience in un-installing and cleaning
- Room for up to six system cooling fans, supporting up to 240mm at the front/top and up to 120mm at the rear. Supports CPU air tower coolers with heights of up to 160 mm
- Packed with 2 x 120mm addressable RGB fans support MSI Mystic Light and 1 x 120mm System fan for unlimited customization options. Bundle with 1 to 6 ARGB LED control board that can allow you to have more attractive ways to decorate your gaming rig by LED strips. Mystic Light Sync Ready
- MSI MAG FORGE 100R chassis can support ATX, mATX and mini-ITX motherboard
- 4mm tinted tempered glass side panel, making it ideal for showcasing your build with (RGB) lighting
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9.7
2Corsair18% Off
CORSAIR FRAME 4000D Modular Mid-Tower ATX PC Case – High Airflow, InfiniRail™ Fan Mounting System, Dual 360mm Radiator Support, ASUS BTF, MSI Project Zero, Gigabyte Project Stealth – Black
Main highlights- FRAME Modular Case System – The revolutionary FRAME system gives new meaning to the word customisation. Want to upgrade the motherboard tray to billet aluminium? Want to swap out your front I/O panel for more USB ports? Now you can. A case that can change and grow with your needs (or just your mood). The options are nearly limitless
- Dual 360mm Radiator Support – Take your cooling to the next level with three mounting locations for 360mm radiators (front, roof, and side). Mount up to twelve 120mm fans simultaneously to keep cool air flowing in and hot air exhausting quickly and efficiently
- Clean Lines or Turbo Cooled – The internal side panel near the motherboard tray can be used as a cable cover for clean cable management, or you can remove it and mount fans to the side for increased cooling potential
- CORSAIR InfiniRail Fan Mounting System – This steel multi-point mounting system offers unmatched flexibility in front and roof fan configuration. Simply slide the rail to mount fans up to 200mm (140mm in the roof) wherever you like, ensuring targeted airflow
- 3D Y-Pattern Airflow Panel – Optimised for high airflow and minimal restriction, the steel front panel is perforated in three dimensions with a Y-pattern that provides a low-obstruction path for cool air
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9.6
3CiT
CiT Flash ARGB PC Gaming Case, Micro-ATX, 4 x 120mm ARGB Rainbow Fans Included, Tempered Glass, LED Button, 8 Fan Support, Water-Cooling Ready | Black
Why we love it
Stylish tempered glass design.
Efficient cooling with four rainbow fans.
Customizable LED lighting modes.
Main highlights- Tempered Glass - A full left side tempered glass panel has been included allowing the user to show off their finished build and it also shows off the glow from the included rainbow fans
- LED Button - Easily control your fans and have access to several colour modes at the touch of a button once connected your reset switch can be used to switch between the different colour modes
- Internal Components and Drives - Made using an all-black interior the Flash has plenty of space to fit higher- end hardware to boost the overall performance of your system With room to fit an Micro-ATX motherboard and a graphic cards up to 340mm in length You can fit one 2 5 inch SSD or a 3 5 inch HDD on the PSU shroud or one of each at the bottom of the Flash
- Design - The Flash has the perfect balance between style and functionality the sleek front panel design made using tempered glass behind the front panel is three pre-installed rainbow fans help create a stunning illusion
- Cooling Configurations - The Flash includes four rainbow fans You also have the option to install an AIO water cooler with room to fit a 240mm radiator at the front and top A 120mm radiator can be fitted at the back of the case
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Popularity
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Value for money
TopChoice.co.uk compares product attributes to price, examines tech specs, ratings and reviews, and more.When compared to other criteria, does the pricing seem reasonable? In order to provide genuine value for money, our team must answer that question with advanced calculations.
Value for money
TopChoice.co.uk compares product attributes to price, examines tech specs, ratings and reviews, and more.When compared to other criteria, does the pricing seem reasonable? In order to provide genuine value for money, our team must answer that question with advanced calculations.
