Amazon with Store4PC has the SABRENT 6-Port Docking Station for Steam Deck (Black, DS-SD6P) on sale for $25 - $5 off with coupon code 201MKNJS in cart = $20 with free shipping on $35+ or with Prime. 

• The model with a M.2 SSD Slot is $50 after using coupon 29IR1AJB.