WD has re-certified these to be sold again. Because re-certified, warranty is limited to 120 days from time of order. Guaranteed that the item you receive is in 100% working order, or send it back to us for a replacement. Your satisfaction is 100% guaranteed. Your hard drive may have a yellow, blue or black label. This is irrelevant - the model # on the label will be WD4000F9YZ.
Please note that it may take up to 20 days to ship to you after your purchase date. Most of the time it's within 7 days, but sometimes it's closer to 20 days. Your BUY IT NOW means you agree to this time frame. UPS cannot deliver to a PO Box, so shipping address must be a residence or business. Large quantity orders contact to arrange in advance.