How much does this cost to the nearest dollar?

Dell Computer 4 GB Certified Replacement Memory Module for Laptop
Make your Dell a champion by upgrading with memory specifically engineered and tested for your laptop. At Dell we focus on quality parts and rigorous testing so that your computer can tackle the challenges faced by high-end operating systems and multimedia applications. With Dell Memory we also offer a limited lifetime and the benefits of Dell's service and support. aking memory industry standards to the next level, Dell Certified Memory is built using industry leading OEM grade quality parts Our Limited Lifetime Warranty guarantees that if our Dell memory should ever fail, we will replace it Dell Certified Memory undergoes rigorous testing by qualified Engineers to ensure compatibility and reliability in your Dell system RAM 4 GB, Brand Dell, model number Weight 0.32 ounces, Dimensions 6.52 x 

Price is $55.00

Price: $54.99