73P3840 I GENUINE IBM 256MB DDR2 SDRAM Memory Module 256MB (1 x 256) BRAND NEWTechnical Information Memory Size 256 MB Memory Technology DDR2 SDRAM Number of Modules 1 x 256 MB Memory Speed 533 MHz Memory Standard DDR2 533 PC2 4200 Error Checking Non parity Plating Gold Plated CAS Latency CL4 Physical Characteristics Number of Pins 200 pin We ship all products according to manufacturer specifications. If the manufacturer does not include an option as standard with the product (power supply, fan tray etc) we do not either unless