Linksys EZXS88W v3.4

Overview
The case of this model revision is black, though it keeps the style used with earlier model EZXS88Ws. It bears the Cisco logo.

"A\N: GPCEB1050-000-PQ320", "P\N: GEB1050 Rev.PQ", "START: 2007/04/26", and model checkbox w/ options of GEB1050 (checked) / GEH1050 / GEB1055 is silkscreened on one unit's board. .. as well as a date code of 1023 (June 2010).
 * Radial caps on the board are largely Lelon branded ( + one Chemi-Con and one w/ an unknown brand [just M]).
 * The Switch IC has a small / moderate size heatsink adhered to it.