https://rover.ebay.com/rover/1/711-53200-19255-0/1?mpre=https%3A%2F%2Fwww.ebay.com%2Fitm%2FHP-t620-ThinClient-4GB-RAM-16GB-SSD-Keyboard-Mouse-AC-W7-J2L56UA-GX-415GA%2F392291817562%3FssPageName%3DSTRK%3AMEBIDX%3AIT%26_trksid%3Dp2057872.m2749.l2649&campid=5338535236&toolid=20008
Seller may accept less than $30, YMMV