Wishlist Quick view Tyan TYAN S2721UGN-533 Socket 604 Server boards Motherboard $708.44 $488.58 TYAN - DUAL XEON SYSTEM BOARD ATI 8MB,SSI,DDR,10/100 FOR THUNDER I7501 PRO (S2721UGN-533). REFURBISHED. IN STOCK. Compare Add to Cart Add to Wishlist