With support for two AMD Opteron 200 series or higher processors, the Thunder K8SR is the best choice for 1U/2U rackmount servers. It offers competitive features such as eight DIMM slots for up to 16GB Registered DDR400 SDRAM, two independent PCI-X buses, onboard ATI Rage XL graphics with an 8MB frame buffer, dual-drive IDE ports for four EIDE drives, a Serial ATA storage controller with RAID support and an Adaptec 7902 Ultra320 SCSI controller.