HP ProLiant Series BL20P G4 Server Blade compatible Black Diamond memory 2GB DDR2 Fully Buffered FBDIMM 533MHz. Compatible computer model: HP ProLiant Series DL180, XW8400, BL680c G5, XW6400, DL160 G5, XW6600, DL580 G5, StorageWorks 400R All-in-One, BL20P G4 Server Blade, BL480c Server Blade, XW460c Blade Workstation, XW8600, ML350 G5, BL460c G5, BL460c Server Blade, ML150 G3, ML370 G5, DL360 G5. Black Diamond Memory offers the most extensive line of memory solutions today. With our decades of experience specializing in memory, Black Diamond Memory is a proven manufacturer to the semiconductor industry. Our great products combined with our world class service and support have helped us to where we are today. When you have an Black Diamond memory chip, you can count on it being the best available memory for your system. Our system specific Branded Memory line delivers in performance, and is designed to be guaranteed in compatibility with your system. Each of our memory chips come with a lifetime warranty for your peace of mind. Use our Upgrade Configurator to easily find the correct memory module for your system. Please keep in mind that this memory will ONLY work on the models listed above. 15% Restocking fee will apply for non-defective items.