Tempered Glass Panels:

• The case features tempered glass panels on the side and sometimes the front (depending on the model) to showcase the internal components, including the motherboard, GPU, and lighting. It’s durable, scratch-resistant, and adds a premium look to your PC build.

RGB Fans:

• The case comes with 4 pre-installed RGB fans that can be controlled to display a variety of colors and lighting effects. 
• The RGB fans typically feature addressable RGB LEDs that can be controlled via motherboard headers or through a dedicated RGB controller.

Excellent Airflow:

• The case is designed with optimal airflow in mind. With four RGB fans as standard, users can expect efficient cooling performance to maintain low temperatures, even during heavy gaming sessions or intensive tasks.
• Multiple fan mounts and mesh panels are usually installed to ensure air circulation.

Cable Management:

• The XTREME 100E likely features dedicated cable management routes and tie-down points behind the motherboard tray to help keep cables organized, ensuring a clean and tidy interior.

Compatibility:

• The case supports a range of motherboard sizes, typically ATX, Micro ATX, and Mini ITX, making it versatile for different types of builds.
• There is space for multiple storage devices (HDDs and SSDs), and it often supports graphics cards of varying lengths and multiple cooling solutions, including liquid cooling radiators in the front or top.

Build Quality and Design:

• The black chassis gives the case a minimalist and professional appearance that complements a variety of gaming setups or workstations.

Front I/O Ports:

• The case features several front I/O ports for convenience, including USB ports (typically USB 3.0), headphone and microphone jacks, and sometimes even a reset button or LED control for RGB customization.

Easy Installation:

• The case typically comes with tool-less drive bays, which simplifies the installation of drives and components.
• The design usually prioritizes ease of access to hardware, making building or upgrading systems a more streamlined process.