In that case these pre-owned, pulls are the only ones available. • ALL Oem Cpus are tested before shipping and carry a 21 day warranty for replacement only. There are NO cancellations or returns accepted for these parts. • Please check your system requirements carefully before ordering cpu's. • If you are going to use the cpu in a dual-cpu SERVER application or machine then YOU MUST match the SL code for the new cpu with your existing cpu. Please call us if you need help. • SL codes - All INTEL cpu's are also designated by a Step code or SLcode.