The JONSBO D300 is a compact yet eye-catching mid-tower case for Micro-ATX builds, highlighted by a panoramic one-piece curved tempered-glass panel that offers a wide, elegant view of your hardware. Despite its streamlined footprint, it supports substantial components—up to 430 mm GPUs, 180 mm CPU coolers, and 200 mm ATX PSUs—while offering impressive cooling flexibility with space for up to ten fans and support for 120–360 mm AIO radiators. Its thoughtful I/O includes USB-C Gen2, dual USB-A 3.0, and audio jacks, making it both stylish and functional for modern systems.