I was originally looking at this, https://www.humanscale.com/products/desk-accessories/tech-tray. I ultimately went with something like this, https://www.amazon.com/dp/B081TPCGWQ/ref=cm_sw_em_r_mt_dp_43T1QRDG442PB27J78WK. The drawer I bought is from the Stand Up Desk Store and is currently unavailable.