Dell Single Hot-Plug Power Supply Non-Redundant 10 800 W Mixed Mode CK (450-BBLR). Power supply module with 800 W. Cooling type: Active (with fan). 80 PLUS certification: 80 PLUS Platinum. With this power supply, you will receive a powerful energy source for your system. It delivers an impressive performance of 800 watts, easily handling even the most demanding applications. Rely on the reliability and efficiency of the Dell 450-BBLR power supply to ensure a smooth and stable operating environment. This power supply has been awarded the 80 PLUS Platinum certification for its excellent efficiency. Its very high efficiency exceeds 94/92/90 percent at 50/20/100 percent load (at 230 volts input voltage). Less excess energy means less unnecessary heat generation. This also protects other components, allows fans to operate more quietly, and saves you money in the long run through lower electricity bills.