... RoHS compliant11. Regulatory approval:UL12.The item works with:(1)IBM System X3400M2/M3,X3500M2/M3,X3550M2 ... DL580G7,DL585G7 and Z600,Z800 workstations,etc.(3)Dell PoweEdge R410,R510,R610,R710,R810,R910, ... check at shipping that the memory upgrade is compatible.2.The solder used in this product contains ... now! NT8GC72B4NB1NJ-CG 8G 2R*4 PC3-10600R(Compatible with IBM System X3400M2/M3,X3500M2/M3,X3550M2/M3 ...