TL;DRNVIDIA’s $149 Shield TV has reportedly been out of stock for months at major retailers.Recent findings suggest the base model of the popular streaming box may have been discontinued.If true, rising memory costs and NVIDIA’s focus on AI could explain why the streaming box is no longer available for purchase.The NVIDIA Shield TV has earned a loyal following over the past decade by doing something very few Android TV devices manage, i.e. staying relevant long after launch. But if you’ve been trying to buy the $149 tube-shaped Shield TV recently, you may have noticed it’s becoming nearly impossible to find.