1Gb 184pin DDR DIMM ECC Registered 128Mx72 gold leads 2.6 volts PC3200 spec 400Mhz with SPD CAS 3 latency. Most machines require this memory installed in maching pairs. Please buy and install 2pcs for pair or 2GB kit.. Compatible memory for Alienware MJ-12 7550a
Click on image to view enlarged
(if image available)