Today only (8/23), get the HP 550-a14 Pavilion Desktop Computer for only $249.99 after a price drop from $449.99 at Best Buy. This deal price saves you 44% off the retail price for this desktop computer. Plus, this item ships free. This is the lowest price we could find online by about $100. The HP 550-a14 Pavilion Desktop features Microsoft Windows 8.1, AMD A8-6410 processor, 8GB system memory, 1TB hard drive, and four USB 3.0 ports. Sales tax is charged in most states.