TP-LINK TL-SG1008D v4.21

Overview
Info @ geekatwork.de (w/ excellent internal shots [heatsinks removed])
 * "8-port Gigabit Desktop Switch (RTL)(A)", "REV: 1.1", and a date code of 0942 is silkscreened on the board shown.

v5 models may be using BCM5398