Computer Cases

MSI MAG Forge 121A B75 PCIE5 Gaming Midi Tower Computer Case with Side Window and RGB Lighting Black

The MSI MAG Forge 121A B75 PCIE5 Gaming Midi Tower is a stylish and functional computer case, designed for gamers who want both style and performance.

The MSI MAG Forge 121A B75 PCIE5 Gaming Midi Tower is a stylish and functional computer case, designed for gamers who want both style and performance.

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Description

Description

The MSI MAG Forge 121A B75 PCIE5 Gaming Midi Tower is a stylish and functional computer case, designed for gamers who want both style and performance. It features a tempered glass side window that showcases the internal components and impressive RGB lighting, offering customization options through software. With support for PCIe 5.0, spacious interior for large graphics cards, and an efficient cooling system with multiple fan and liquid cooling positions, it is an ideal choice for powerful gaming builds. Its modern black design combines durability and aesthetics, making it perfect for any demanding user.

Dimensions & hardware compatibility

The MSI MAG Forge 121A is a Mid Tower case that supports ATX, Micro-ATX, and Mini-ITX motherboards. Its dimensions are 411.6 × 210 × 498 mm with a net weight of approximately 5.7 kg. It accommodates graphics cards up to 330 mm in length and CPU coolers up to 160 mm in height. For the power supply, it supports ATX models up to 200 mm in length, provided the 3.5” drive is not used in the corresponding slot. Thus, it can house most modern builds without restrictions.

Cooling & ventilation

The case design emphasizes airflow thanks to the front mesh panel. It comes pre-installed with four RGB fans (three at the front and one at the back) and supports up to eight in total. It also supports water cooling with mounts for 120/140/240 mm radiators at the front, 120/240 mm at the top, and 120 mm at the rear. This allows you to customize the cooling system according to your needs, whether with air cooling or AIO solutions.

Design, features & extras

The side panel made of tempered glass opens like a door, showcasing the interior of the computer and the illuminated components. On the top, there is a magnetic dust filter for easy cleaning. The I/O ports include two USB 3.2 Gen1 Type-A, a microphone input, an audio output, as well as an LED control button for the lighting. For storage, the case offers three 2.5” slots and two slots that can be used either for 2.5” SSDs or 3.5” HDDs. The result is a versatile and modern case, balancing functionality and aesthetics.

Manufacturer

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Specifications

Specifications

Main Specifications

Colour
Black
Size
Midi Tower
Compatible Motherboard Type
ATX, Micro ATX, Mini ITX, ITX

Dimensions

Height
498 mm
Width
210 mm
Length
411.6 mm

Internal Spaces

Maximum Graphics Card Length
330 mm
Maximum Processor Heatsink Height
160 mm

Drive Bays

Internal Hub 3.5"
2
Internal Hub 2.5"
3

Fan Positions

Front
3
Rear
1
Top Positions
2

Water Cooling

Radiator Position
Top, Front, Back, Bottom, Side

Specifications

Connectivity
Audio, Microphone, USB 3.2
Extras
RGB Lighting, Side Window, Pre-installed Fans
Gaming
Yes
Airflow
Yes
Home & Office
No

Important information

Specifications are collected from official manufacturer websites. Please verify the specifications before proceeding with your final purchase. If you notice any problem you can report it here.

See all specifications

Description & Specifications

Main Specifications

Colour
Black
Size
Midi Tower
Compatible Motherboard Type
ATX, Micro ATX, Mini ITX, ITX

Dimensions

Height
498 mm
Width
210 mm
Length
411.6 mm

Internal Spaces

Maximum Graphics Card Length
330 mm
Maximum Processor Heatsink Height
160 mm

Drive Bays

Internal Hub 3.5"
2
Internal Hub 2.5"
3

Fan Positions

Front
3
Rear
1
Top Positions
2

Water Cooling

Radiator Position
Top, Front, Back, Bottom, Side

Specifications

Connectivity
Audio, Microphone, USB 3.2
Extras
RGB Lighting, Side Window, Pre-installed Fans
Gaming
Yes
Airflow
Yes
Home & Office
No

Important information

Specifications are collected from official manufacturer websites. Please verify the specifications before proceeding with your final purchase. If you notice any problem you can report it here.

Description

The MSI MAG Forge 121A B75 PCIE5 Gaming Midi Tower is a stylish and functional computer case, designed for gamers who want both style and performance. It features a tempered glass side window that showcases the internal components and impressive RGB lighting, offering customization options through software. With support for PCIe 5.0, spacious interior for large graphics cards, and an efficient cooling system with multiple fan and liquid cooling positions, it is an ideal choice for powerful gaming builds. Its modern black design combines durability and aesthetics, making it perfect for any demanding user.

Dimensions & hardware compatibility

The MSI MAG Forge 121A is a Mid Tower case that supports ATX, Micro-ATX, and Mini-ITX motherboards. Its dimensions are 411.6 × 210 × 498 mm with a net weight of approximately 5.7 kg. It accommodates graphics cards up to 330 mm in length and CPU coolers up to 160 mm in height. For the power supply, it supports ATX models up to 200 mm in length, provided the 3.5” drive is not used in the corresponding slot. Thus, it can house most modern builds without restrictions.

Cooling & ventilation

The case design emphasizes airflow thanks to the front mesh panel. It comes pre-installed with four RGB fans (three at the front and one at the back) and supports up to eight in total. It also supports water cooling with mounts for 120/140/240 mm radiators at the front, 120/240 mm at the top, and 120 mm at the rear. This allows you to customize the cooling system according to your needs, whether with air cooling or AIO solutions.

Design, features & extras

The side panel made of tempered glass opens like a door, showcasing the interior of the computer and the illuminated components. On the top, there is a magnetic dust filter for easy cleaning. The I/O ports include two USB 3.2 Gen1 Type-A, a microphone input, an audio output, as well as an LED control button for the lighting. For storage, the case offers three 2.5” slots and two slots that can be used either for 2.5” SSDs or 3.5” HDDs. The result is a versatile and modern case, balancing functionality and aesthetics.

Manufacturer