Today you can get these tray servers with two trays in 1U (or 4 tray servers in a 2U chassis, typically), where each server is a standard 2 socket Xeon(-EP?) th

Today you can get these tray servers with two trays in 1U (or 4 tray servers in a 2U chassis, typically), where each server is a standard 2 socket Xeon(-EP?) thing. So surely if you suddenly have twice the width you can cram in a few extra DIMM slots without having to go wider than the usual 19" racks.