2U RM BB 5000P Xeon-DP SAS 6PCIe/x 32GB FBD 560W Silver
By Supermicro

The SuperServer 6025 series improve upon the winning formula of the previous 2U systems and optimize on performance by supporting dual-core Xeon 5000/5100 sequence processors and FBDIMM memory. Moreover, features such as Intelligent Management (IPMI 2.0) with Virtual Media plus KVM-over-LAN and a high-efficiency power supply (with I2C management) help minimize the total cost of ownership. ... 

DL585 G2 8220 2.8G 4P .
By Hewlett Packard HP

The HP ProLiant DL585R02 Server, the best price/ performance x86 4-processor server in the industry, now supports the new AMD Rev F Opteron Dual-Core processor further increasing the performance leadership of this system. Dual-Core AMD Opteron processor enable a huge boost in performance. ... 

DL585 G2 8222 SE 3.0G 1MB 8GB 8X1GB Combo 4U RM
By Hewlett Packard HP

The HP ProLiant DL585R02 Server, the best price/ performance x86 4-processor server in the industry, now supports the new AMD Rev F Opteron Dual-Core processor, further increasing the performance leadership of this system. Dual-Core AMD Opteron processor enable a huge boost in performance. ...