Fujitsu PRIMERGY TX120 (D2550) compatible Black Diamond memory 2GB 2X1GB DDR2 ECC Registered RDIMM 667MHz. Compatible computer model: Fujitsu PRIMERGY TX120 S2, RX330 S1, BX630 S2 Quad, BX630 S2 Quad QC6, BX630 S2 Dual QC, H200, TX120 (D2550), Econel 230R S1, BX630 S2 Dual QC6, BX630 S2 Dual, BX630 S2 Quad QC. 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.