Keystone Memory Group is an ISO 9001:2015 R2v3 certified buyer of all IT. We purchase large volume laptop, desktop, servers, memory,CPUs, thin clients, networking equipment, and HDDs. Keystone offers secure data wiping and destruction as well as on site shredding in accordance with NIST 800-99 standards. Data security is our #1 priority! We are a distributor of new and used memory and cpu's for virtually every type of computing system. We buy IBM,HP,ORACLE, SUPERMICRO, CISCO, APPLE, INTEL,AMD and more… Please contact us, especially for memory and CPU surplus.