4X(Function: Unbuffered, Non-ECC and Non-Registered< />100% chips.high qua . Tested works before ship.< />Please note: this ry is just for AMD motherboa, it does not fit motherboa or ECC Ser.Model Desktop DDR2 4GB 800MHz< />ry chip:16IC< />Frequency:800MHz< />Number of Pins: 240pin< />:4GB< />Voltage:1.5V< />Size: 12.8*3cm< />Color: Green< />Material: PCB< />Package Conten:< />1 * ry RAM)