A splice tray arrangement including a tray and a splice chip. The splice chip includes a plurality of arms that define channels for holding splice elements. The arms include retaining structure for retaining a splice element in both of either one of an upper region and a lower region of a channel. The splice tray arrangement also includes a mounting arrangement for securing the splice chip to the tray at a mounting location. The mounting arrangement includes sliding interlock guides disposed on each of the splice chip and the tray. The mounting arrangement further includes flexible tabs arranged to prevent lateral movement of the splice chip when positioned at the mounting location.