https://www.amazon.com/gp/offer-l…dition=all
25 available as of this posting (Avg used price $ 369 per price history). This is a great eGPU enclosure ((GPU not included), upgraded RGB lighting and a pair of USB ports to name a few of the upgrades over the original Core X (which costs $ 100 less at $ 299).
Note to take advantage of this eGPU, your laptop ought to have 4 PCI-E lanes of throughput, and expect a 10-20% hit to GPU performance when compared to a standard built-in GPU.