The Three Hundred has enough room for an NVIDIA 8800 series graphics card, as well as six hard drives and a standardATX motherboard. A cable management compartment keeps your system organized and the airflow unobstructed. A 120mm rear fan and 140mm top fan ensure that the case runs cool even when playing the most demanding games, while the sleek black finish gives it an extra stylish edge. Specifications: • No Power Supply included: To optimize performance of your Three Hundred, your choice of

3 1.3 Power Supply Specifications………………………………………………………………………….4 HARDWARE INSTALLATION GUIDE 2.1 Setting Up….………………………………………………………………………………………………….5 2.2 Power Supply Installation………………………………………………………………………………5 2.3 CableManagement……………………………………………………………………………………….5 2.4 Motherboard Installation..…………………………………………………………………………….6 2.5 Internal3.5”DeviceInstallation…………………………………………………………………….6 2.6 External 3.5” Device Installation…………………………………………………………………… 7 2.7 External5.25”DeviceInstallation…………………………

So it's possible that your new case may differ slightly from the descriptions in this manual. This isn't a problem; it's simply an improvement. As of the date of publication, all features, descriptions, and illustrations in this manual are correct. Disclaimer This manual is intended only as a guide for Antec's Computer Enclosures. For more comprehensive instructions on installing your motherboard and peripherals, please refer to the user's manuals which come with your components and drives. Supe

-Check your motherboard’s CPU socket to ensure its compatibility with the KUHLER H2O. The KUHLER H2O 620 / 920 is compatible with the following CPU sockets: Intel® LGA 1155 / 1156 / 1366 / 2011 AMD® AM2 / AM3 / AM2+ / AM3+ - Be sure to install the KUHLER H2O with the end of the tubes positioned at the bottom of the radiator. 1. Remove the TrueQuiet™ fan mounting pins by pulling slowly on the head of the mounting pin while pushing the tail of the pin through the rear of the case. This ensures tha