2578HB6 - ThinkVision L2251x Wide (22-inch,VGA+DisplayPort, 3-USB, WebCam+Mic, 1680x1050, TCO Edge) Monitor Retail
4014HB6 - ThinkVision L2321x Wide (23-inch, VGA+DisplayPort, 3-USB, 1920 x 1080, TCO 5.0) Monitor Retail