The Aerocool B509A Flow TG Mid Tower Case is a high-performance gaming chassis designed with a striking full mesh front panel to maximise air intake while showcasing vibrant internal components. This specialised bundle includes the AeroCool Smart B1 650W Bronze power supply, a future-proof unit that meets the latest ATX 3.1 and PCIe 5.1 standards to support next-generation graphics cards with a secure 12V-2x6 connector. Built for flexibility, the B509A accommodates ATX, Micro-ATX, and Mini-ITX motherboards and offers ample room for powerful hardware, including GPUs up to 340mm and CPU coolers up to 158mm. Thermal management is a top priority, with support for up to eight fan slots and liquid cooling radiators up to 360mm in the front. The sleek tempered glass side panel provides a clear view of your build, while magnetic top filters and a removable bottom filter ensure easy maintenance and long-term system cleanliness.
Features
B509A Flow Mid Tower Case with 650W Bronze Power Supply
The AeroCool B509A Flow is a mid-tower case that combines powerful performance with sleek, functional design. Its full mesh front panel maximises airflow while showcasing your build, and with support for GPUs up to 340mm and liquid coolers up to 360mm, it’s ready for high-performance hardware. Equipped with eight fan slots, magnetic dust filters, and a tempered glass side panel, the B509A Flow keeps your system cool, clean, and looking sharp.
- Mid-tower case compatible with ATX, m-ATX, and mini-ITX motherboards
- Full mesh front panel for functional and eye-catching design
- Comes pre-installed with a 650W 80 Plus Bronze PSU
- Supports GPUs up to 340mm, CPU coolers up to 158mm, and liquid coolers up to 360mm
- Eight total fan slots fit up to five 140mm fans for even greater cooling potential
- Includes top (magnetic) and bottom dust filters
- Tempered glass side panel to show components

Airflow Meets Style
Designed with a sleek, full mesh front panel, the B509A Flow maximises airflow while maintaining a bold, modern look. Keep your system cool and performing at its best without compromising on aesthetics.
Comes with a Pre-Installed Aerocool SMART B1 650W Power Supply
The AeroCool SMART B1 is a high-efficiency AC to DC switching power supply designed for Intel ATX 3.1 multi-rail desktop platforms. Engineered for stability and performance, it features Active Power Factor Correction (APFC) and a resonant converter for clean, reliable power delivery. With synchronous DC-to-DC conversion for 3.3V and 5V rails and 80PLUS Bronze certification, the SMART B1 ensures energy-efficient operation with reduced heat and lower electricity costs. While non-modular in design, it offers rock-solid performance ideal for builders who prioritise dependability over customisation.

Optimised Cooling Potential
Equipped with eight total fan slots, including space for up to five 140mm fans, the B509A Flow ensures efficient heat dissipation. Keep your components running at peak performance with superior airflow.

Liquid Cooling Excellence
Support for radiators up to 360mm on the front and 120mm on the rear ensures optimal thermal performance.

Room for High-Performance Hardware
With support for GPUs up to 340mm, liquid coolers up to 360mm, and CPU coolers up to 158mm, this case is built for powerful setups. Enjoy smooth gaming and seamless multitasking with the hardware you need.

Easy Maintenance Filters
Keep your system clean and efficient with the magnetic top filter and removable bottom filter, designed for effortless cleaning and effective dust prevention.

Showcase Your Build
A sleek tempered glass side panel lets you display your components with pride. Highlight your RGB lighting and premium hardware with a clear, stylish view.
Backed by a 2 year Aerocool warranty.