10 Best pc case 420mm

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Last Updated: 12-2-2025

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HAVN HS 420 Dual-Chamber Mid Tower PC Case ATX Black | Hybrid Design, 11x 140mm Fan Slots & 3X 420mm Radiator Support, SimpliCable Cable Management, Tempered Glass, PWM Fan Hub

HAVN

9.8

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Lian Li O11D EVO RGB E-ATX Gaming Dual Chamber case - ARGB Lighting Strips - Up to 420mm Radiator - Cable Management - Front and Side Tempered Glass Panels - Reversible Chassis (O11DERGBX.US)

Lian Li

9.6

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Antec Flux Pro, 6 x PWM Fans Included, High-Airflow Front Panel with Walnut Wood, iShift PSU 90° Mount, USB3.0 x 2, Type-C, 420mm Radiator Support, Temp. Display, Full-Tower E-ATX PC Case

Antec

9.5

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Best Value

- 15%

NZXT H9 Flow RGB (2025) – Large Dual-Chamber ATX Mid-Tower Airflow PC Case – Includes 1 x 420mm RGB Fan Unit & 1 x 120mm Fan – 420mm Radiator Support – Tempered Glass – Back-Connect Ready – Black

NZXT

9.2

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Geometric Future M5 Tempered Glass Mid Tower, E-ATX/ATX Gaming Case, 1.2mm Steel, Type C, Toolless Panels, Support 420/360 Radiator, ARGB PWM 140m Fan x 5 Pre-Installed, Black/Green, GEO-M5F-BNY

Geometric Future

9.1

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Geometric Future M5 Vent Mesh Panel Tempered Glass Mid Tower, E-ATX/ATX Gaming Case, High Airflow, 1.2mm Steel, Type C, Support 420/360 Radiator, ARGB PWM 140m fan x 5 Pre-Installed, Black, GEO-M5VF-B

Geometric Future

8.8

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- 18%

NZXT H9 Flow (2025) – Large Dual-Chamber ATX Mid-Tower Airflow PC Case – Includes 3 x 140mm & 1 x 120mm Fans – 420mm Radiator Support – Tempered Glass – Back-Connect Ready – Black

NZXT

8.6

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Antec Flux Wood, 5 x PWM Fans Included, High-Airflow Front Panel with Walnut Wood, Type-C, 420mm Radiator & Back Connect Motherboard Support, Up to 9 Fans Simultaneously, Mid-Tower E-ATX PC Case

Antec

8.4

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- 27%

NZXT H7 Flow 2024 - Mid-Tower ATX Airflow Case - Includes Pre-Installed 3 x 120mm Fans - Supports Bottom Fans for Dedicated GPU Cooling - Cable Management - Black

NZXT

8.2

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Lian Li V100 ATX Mid-Tower PC Case, LED RGB Strip, Display Platform Design with Tempered Glass, Support 420mm GPUs, 360mm Radiator, Side I/O & Optimized Airflow, Dust Filiter - White (V100W)

Lian Li

8.1

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MORE DEALS (1)

HAVN HS 420 Dual-Chamber Mid Tower PC Case ATX Black | Hybrid Design, 11x 140mm Fan Slots & 3X 420mm Radiator Support, SimpliCable Cable Management, Tempered Glass, PWM Fan Hub

Lian Li O11D EVO RGB E-ATX Gaming Dual Chamber case - ARGB Lighting Strips - Up to 420mm Radiator - Cable Management - Front and Side Tempered Glass Panels - Reversible Chassis (O11DERGBX.US)

Antec Flux Pro, 6 x PWM Fans Included, High-Airflow Front Panel with Walnut Wood, iShift PSU 90° Mount, USB3.0 x 2, Type-C, 420mm Radiator Support, Temp. Display, Full-Tower E-ATX PC Case

NZXT H9 Flow RGB (2025) – Large Dual-Chamber ATX Mid-Tower Airflow PC Case – Includes 1 x 420mm RGB Fan Unit & 1 x 120mm Fan – 420mm Radiator Support – Tempered Glass – Back-Connect Ready – Black

Geometric Future M5 Tempered Glass Mid Tower, E-ATX/ATX Gaming Case, 1.2mm Steel, Type C, Toolless Panels, Support 420/360 Radiator, ARGB PWM 140m Fan x 5 Pre-Installed, Black/Green, GEO-M5F-BNY

Geometric Future M5 Vent Mesh Panel Tempered Glass Mid Tower, E-ATX/ATX Gaming Case, High Airflow, 1.2mm Steel, Type C, Support 420/360 Radiator, ARGB PWM 140m fan x 5 Pre-Installed, Black, GEO-M5VF-B

NZXT H9 Flow (2025) – Large Dual-Chamber ATX Mid-Tower Airflow PC Case – Includes 3 x 140mm & 1 x 120mm Fans – 420mm Radiator Support – Tempered Glass – Back-Connect Ready – Black

Antec Flux Wood, 5 x PWM Fans Included, High-Airflow Front Panel with Walnut Wood, Type-C, 420mm Radiator & Back Connect Motherboard Support, Up to 9 Fans Simultaneously, Mid-Tower E-ATX PC Case

NZXT H7 Flow 2024 - Mid-Tower ATX Airflow Case - Includes Pre-Installed 3 x 120mm Fans - Supports Bottom Fans for Dedicated GPU Cooling - Cable Management - Black

Lian Li V100 ATX Mid-Tower PC Case, LED RGB Strip, Display Platform Design with Tempered Glass, Support 420mm GPUs, 360mm Radiator, Side I/O & Optimized Airflow, Dust Filiter - White (V100W)

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