Origin:CN(Origin)
Certification:CE
Checking the parts and finding out the faults are very important before taking an order,otherwise it will waste your money and time.Motherboards have test before ,if you do order for replacement,update,or any question for the problems you have met,contact us for help.
712921-601 for HP probook 4540s 4440s laptop motherboard i3-3110M HM76 DDR3
for intel i3-3110m on board
for ram DDR3 only
with intel gma hd graphics on board