Brand new. Never opened. This Thermaltake Smart BX3 power supply is a reliable and efficient choice for your computing needs. With a maximum power output of 550W and 80Plus Bronze certification, it provides a safe and stable power supply for your system. The modular design allows for a tidy build and easy cable management, while the single fan cooling system ensures quiet operation. The power supply features a 24 Pin connector for the motherboard and is compatible with ATX 3.1 standards. Its sleek black color and Thermaltake branding make it a stylish addition to your gaming or workstation setup. Whether you're building a new system or upgrading an existing one, the Thermaltake Smart BX3 is a great choice for your power supply needs.