IBM - 43W5176 - Motherboard Socket LGA771 43W5176 - IBM - System Board Socket LGA771 for x3400 x3500 $466.56 $395.39
IBM - 41Y4394 - Motherboard Socket LGA771 41Y4394 - IBM - System Board Socket LGA771 for x3400 x3500 $519.55 $440.30
IBM - 41Y4408 - Motherboard Socket LGA771 x3400 x3500 41Y4408 - IBM - System Board Motherboard Socket LGA771 for x3400 x3500 $496.30 $420.59
IBM - 43C1516 - Motherboard Socket LGA771 ThinkStation D10 43C1516 - IBM - System Board (Motherboard) Socket LGA771 for ThinkStation D10 (type 6427) $303.76 $257.42
Supermicro - X7SPEHB - Motherboard Dual Socket LGA771 X7SPEHB - SuperMicro - Supermicro MBD-X7DA3-O Motherboard $402.81