Best PC Cases Under £100 (2026)
60 active pc cases priced at or below £100 · sorted by editor rating then price · prices update hourly
About this price band
The £100 cap is where most UK buyers in the pc cases market actually shop. We only feature products with a live, primary affiliate offer, so every entry can actually be bought today. Prices are pulled from Amazon UK and refreshed on a regular schedule, so what you see here is what you will pay on the merchant page when you click through.
Every pc case we list under £100
ENDORFY Regnum 400 ARGB, ATX PC case, 4x120mm ARGB PWM fans included, tempered glass side panel, plenty of space inside, high airflow design
4.9/5£72.09
MSI MAG PANO M100L PZ Micro-ATX PC Case - Micro-ATX Capacity, GPU Support Stand, Level Indicator, Dust Filters, 33 mm Cable Routing Space, USB Type-C (20Gbps)
4.8/5£44.99
Corsair 4000D AIRFLOW Tempered Glass Mid-Tower ATX Case - High-Airflow - Cable Management System - Spacious Interior - Two Included 120 mm Fans - Black
4.8/5£70.62
Lian Li A3-mATX Tempered Glass Panel – Black, Tempered Glass, Steel + Aluminum Frame
4.7/5£74.99
MSI MAG PANO 100R PZ ATX PC Case - ATX Capacity, Verical GPU Installation Bracket, GPU Holder, Dust Filters, Swinging Storage Bracket, Dual-chamber, USB 20Gbps Type-C
4.7/5£79.99
NZXT H5 Flow - Compact ATX Mid-Tower PC Gaming Case - High Airflow - 2 x 120mm Fans Included - 360mm Front & 240mm Top Radiator Support - Cable Management System - Tempered Glass - Black
4.6/5£49.99
CORSAIR 3500X RS-R ARGB Panoramic Mid-Tower PC Case – 3x Pre-Installed RS120-R ARGB Fans, GPU Anti-Sag Arm, Fits up to 10x 120mm Fans, Reverse Connection Motherboard Compatible – White
4.6/5£69.98
Mars Gaming MCV3 Black, Custom XXL E-ATX Gaming Tower, Front and Side Tempered Glass Window, Dual Chamber Modular Frame
4.6/5£79.99
Fractal Design Meshify C - Compact Mid Tower Computer Case - Open ATX Layout- High Performance Airflow/Cooling - 2x Fans included - PSU Shroud - Modular interior - Water-cooling ready - USB3.0 - Black
4.5/5£79.99
Fractal Design Core 1100 - Mini Tower Computer Case - mATX - High Airflow And Cooling - 1x 120mm Silent Fan Included - Brushed Aluminium - Black
4.3/5£39.98