604506-B21 RAM Module - 8 GB (1 x 8 GB) - DDR3 SDRAM HP - IMSOURCING 604506-B21 HP 8GB 2RX4 PC3L-10600R-9 KIT Use HPE server memory options to improve the performance of your ProLiant servers and data centers. Infrastructure matters. Server memory is one of the most critical components; even the slightest defect can result in downtime that could shut down your business. Choose HPE server memory options for the same quality integration reliability and confidence that come with ProLiant.