The SX700-LPT takes advantage of the versatile SFX-L form factor

For small form factor enthusiasts, standard SFX power supplies offer an excellent combination of size, power, and affordability. At 100mm deep, however, they are limited to 92mm fans. SilverStone longer variation of the SFX form factor called SFX-L. At 130mm long, an SFX-L power supply has space for a 120mm fan, thus its maximum load noise is not only lower in intensity (due to a slower fan speed), but also lower in pitch (due to larger fan size).