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Amazon.com: SHANGZHAOYUAN X99 Dual CPU Motherboard LGA 2011-3 Server Motherboard for Intel i7 5th/6th Gen Xeon E5 V3/V4 Series (E-ATX, 8*DDR4 ECC Max 256G, 2*NVME M.2, 2*Gb LAN, SATA 6Gb/s, PCIe 3.0) :
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Amazon.com: H61M Motherboard,1155 Pin DDR3 Dual Channel Quad Core VGA HD Multimedia Interface Stable Power Computer Motherboard for Intel Core I7 I5 I3 CPU : Electronics
GA-7PESH2 (rev. 1.0) | Server Motherboard - GIGABYTE Global
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X99 Dual Motherboard Set with 2*E5 2696 V4 CPU+8*32GB=256GB DDR4 ECC REG 2133mhz RAM+CPU FAN Support Intel LGA 2011-3 V3 /V4 CPU - AliExpress