The Antec VSK4000B-U3 is a robust mid-tower ATX case crafted from durable SGCC steel designed to support multiple motherboard form factors including Standard ATX, Micro-ATX, and Mini-ITX. Engineered to meet Thermally Advantaged Chassis (TAC) 2.0 guidelines, it offers an effective cooling solution with an included 120mm rear exhaust fan and support for an optional 120mm front intake fan.

This builder-friendly chassis features three 5.25" external drive bays, one external floppy drive bay, and five internal 3.5" HDD bays, giving a broad range of storage and legacy device mounting options. For expansion, it supports up to seven PCI slots to accommodate full-sized graphics cards and multiple expansion cards.

Front panel connectivity includes two USB 3.0 ports and audio in/out jacks for convenient access. The case thoughtfully includes rear water-cooling grommets to facilitate neat external radiator tubing management, ideal for custom liquid cooling setups.

Dimensionally, it measures 412mm (H) x 185mm (W) x 440mm (D) and weighs 5 kg, balancing a compact footprint with ample internal space for components and airflow. Backed by a two-year manufacturer warranty, the VSK4000B-U3 provides a reliable foundation for building or upgrading a performance-oriented PC system.