SunFireE2900/V1280Option#Part#DescriptionXE29BRD-482-1500540-6443CPU/MemoryBoardwith4UltraSPARCIV+1500MHz,16GBMemory(board540-6275)XE29BRD-484-1500540-6444CPU/MemoryBoardwith4UltraSPARCIV+1500MHz,32GBMemory(board540-6275)XE29BRD482-1500-Z541-1532CPU/MemoryBoardwith4UltraSPARCIV+1500MHz,16GBMemory(board540-6679)RoHS:YLXE29BRD482-1500C-Z541-1532CapacityOnDemand:CPU/MemoryBoardwith4UltraSPARCIV+1500MHz,16GBMemory(board540-6679)RoHS:YLXE29BRD484-1500-Z541-1533CPU/MemoryBoardwith4UltraSPARCIV+1500MHz,32GBMemory(board540-6679)RoHS:YLXE29BRD484-1500C-Z541-1533CapacityOnDemand:CPU/MemoryBoardwith4UltraSPARCIV+1500MHz,32GBMemory(board540-6679)RoHS:YLXE29BRD488-1500-Z541-1944CPU/MemoryBoardwith4UltraSPARCIV+1500MHz,64GBMemory(board540-6679)RoHS:YLXE29BRD488-1500C-Z541-1944CapacityOnDemand:CPU/MemoryBoardwith4UltraSPARCIV+1500MHz,64GBMemory(board540-6679)RoHS:YL13728762797***309321756)