be quiet! Silent Base 802 Black - BG039

be quiet! Silent Base 802 Black (BG039) is a middle tower case aimed at more serious gaming and workstation configurations, where silence and good airflow are important. It supports a wide range of motherboard formats – from Mini ITX to Extended ATX – giving you plenty of freedom to choose your platform. The package includes three 140mm Pure Wings 2 fans, and there is space for additional fans and water cooling all around. The case is windowless, making it visually more modest, but serious in functionality and sound insulation.

What you get

With nine expansion slots and support for graphics cards up to 432 mm (with the HDD cage removed), you can install a massive GPU and still have room for good cooling. The maximum height for air coolers of 185 mm allows you to use even the largest tower coolers without any issues. With up to 3 x 3.5" and 7 x 2.5" slots, you have serious potential for a combination of SSDs and HDDs – convenient for large libraries of games, projects, or media. The built-in 4-step fan controller on the front panel gives you direct control over noise and temperature without entering BIOS or software. And support for large radiators – up to 420 mm in the front and 360 mm on top – opens the door for serious custom or AIO water solutions.

• Case form factor Middle Tower, compatible with motherboards ATX, Micro ATX, Mini ITX, and Extended ATX, allowing you to transition from a compact to a massive configuration without changing the case.
• Includes 3 x Pure Wings 2 140mm fans (2 in the front, 1 in the back), providing stable airflow right out of the box, without additional investments.
• Supports up to 3 x 120/140mm fans in the front and top plus one each in the back and bottom, allowing you to adjust airflow according to your hardware and noise preferences.
• Compatible with large air coolers up to 185 mm in height and graphics cards up to 432 mm (without HDD cage), so you won't be limited when choosing high-end components.
• Rich options for water cooling: up to 420 mm in the front, up to 360 mm on top, and up to 140 mm in the back for radiators – convenient for both AIO and more serious custom loops.
• A total of 3 x 3.5" and 7 x 2.5" slots give you space for many SSD and HDD drives, suitable for large libraries of games, RAW footage, video, and backups.
• Front panel with 2 x USB 3.2 Gen.1, 1 x USB 3.2 Gen.2 Type-C, 4-step Fan Controller, audio/microphone, and power button – everything you need is at your fingertips.
• Support for a power supply unit up to 288 mm, mounted at the bottom, which helps for better cable management and cleaner internal airflow.

Who it is suitable for

This case is a good choice for more serious gaming and workstation builds, where you want powerful hardware but with control over noise and temperature. It is also suitable for users with many drives – for media work, backups, or a large gaming library. If you are looking for a show case with a transparent panel and RGB, you won't find it here – this is more of a “quiet performance” oriented machine.

The combination of spacious interior, three quality 140mm fans included, and serious water cooling support makes be quiet! Silent Base 802 Black a stable base for a long-term, quiet, and powerful build.