... ,ddr2,ddr3/ 512mb,1gb,2gb,4gb/best quality/OEM/Original chip/8 bitsDesktop/Laptop memory ram ddr,ddr2,ddr3/ 512mb,1gb ... ,2gb,4gb/best quality/OEM/Original chip/8 bits 1)Plz add my trademanager(orcia) Tel: 86 ... latency for better command and data bus efficiency 22) Off-chip-driver impedance adjustment and on-die-termination for better signal ...