This is a genuine OEM item made by Samsung
Compatible Models : RS2520SW/XAA, RS2533SW/XAA, RS2533VK/XAA, RS2533VQ/XAA, RS2534BB/XAA, RS2534WW/XAA, RS2544SL/XAA, RS2555BB/XAA, RS2555SL/XAA-00, RS2555SW/XAA, RS2556BB/XAA-00, RS2556SH/XAA-00, RS2556WW/XAA-00, RS2577BB/XAA, RS2577SL/XAA, RS2577SW/XAA, RS2578SH/XAA-00, RS2578WW/XAA-00, RS2666SL/XAA