Microsoft Surface RTX Spark Dev Box packs 128GB unified memory and Nvidia's new Arm chip for local AI

At first glance, the device is understated, with a design that loosely resembles the top of an Xbox Series X. The aluminum casing isn't just aesthetic; it also doubles as a heatsink, helping the system manage a 100-watt thermal envelope. That's slightly above the 45- to 80-watt thermal envelopes typical...