Based on this product's specifications, here are some alternatives and similar models
Docking Station HP 2013 UltraSlim Docking Station
Summary description:
The HP 2013 UltraSlim Docking Station offers seamless connectivity for HP Elitebook 820 G1, 840 G1, and 850 G1 Notebook PCs. With a sleek black design, it features a compact size (368 mm width, 107 mm depth, 44 mm height) and provides essential ports for enhanced productivity. Ideal for professionals seeking a reliable docking solution.