SFX-L form factor power supply, not compatible with ATX form factor unless adapter is purchased separately (sold as "PP08") 1000W continuous power output rated for 24/7 operation at 50 operating temperature High quality construction with all Japanese capacitors and single +12V rail with 83.3A Silent 120mm dual ball bearing fan with semi-fanless operation (fan will not spin at idle / low load condition) Please use only cables included with the power supply for best performance / reliability Description Since its launch in 2015, the SFX-L form factor has garnered popular recognition and support among enthusiasts with its larger 120mm fan able to achieve better balance of power and quietness in small form factor PCs than what was possible with standard SFX. And as a leader in power supply miniaturization, SilverStone has continued its efforts in advancing the SFX-L forward to reach ever higher limit. The SX1000-LPT not only has unprecedented 1000 watts of power output but also has the second highest level of 80 PLUS efficiency with a Platinum rating. It includes all features available from top of the line SilverStone PSUs such as flexible flat cables, all Japanese capacitors and advanced semi-fanless capability. For those looking to build the most efficient small form factor systems possible with great quality and power, the SX1000-LPT is definitely the top choice.