This ASUS 1000W power supply is an 80 Plus Gold-rated unit, fully modular, built to power a desktop reliably with the newer ATX 3.1/PCIe 5.1 spec for better transient power handling on modern GPUs. A well-balanced choice of efficiency and price for a mid-to-high-end build. After comparing online prices, www.marvel.co.za should be the cheapest on this product.