Nvidia's DGX Spark, a compact AI workstation, has received a system software update that significantly reduces its idle power consumption. Initially observed to draw around 37W at idle, the update enables hot-plug detection for the 200Gbps ConnectX 7 NIC, which Nvidia states can lower power draw by up to 18W when inactive. Testing on a Founders Edition Spark confirmed this, showing a reduction from 37W to 25W with a display connected, a 32.4% decrease, and further to 22W when headless. While this update proved effective on the Founders Edition, it did not yield similar results on a Dell Pro Max GB10 system, which remained at 35-37W idle. The article also highlights the DGX Spark's use in various educational and research projects, including neutrino observation at the South Pole, radiology report analysis at NYU, and epilepsy genetics research at Harvard, where its low power requirements are particularly beneficial.