Ideal for IBM System X Servers The IBM 450GB hard drive provides a 3.5 inch form factor that can be used in hotswap systems. The IBM hard drive is supported for internal HDD attachment in hotswap SAS models for selected IBM System X servers. The IBM SAS hard drive features a super-fast 15,000rpm, a transfer rate of 6Gbps and 450GB capacity. Thorough testing process ensures excellent performance Every refurbished hard drive we sell undergoes a thorough testing process, carried out by our experienced testing engineers who have over a decade of experience in the field. Our testing procedures ensure that every piece of equipment we refurbish is resold in excellent condition and performs to its maximum capabilities. All our new and refurbished hard drives come with a three year warranty.