This seems to be the best value I can find on ebay using the L5640 Xeons
I am not sure if it is 64GB of RAM across all nodes, or each node. (I guess they would say 512GB of RAM, if it had it.)
HP Proliant S6500 4U 8x SL390S G7 16x Six Core L5640 2 26GHz 64GB No HDD | eBay
I am not sure if it is 64GB of RAM across all nodes, or each node. (I guess they would say 512GB of RAM, if it had it.)
HP Proliant S6500 4U 8x SL390S G7 16x Six Core L5640 2 26GHz 64GB No HDD | eBay