HP JetDirect J4100A Connections: RJ-45 Use: Fast Ethernet (10/100Base-TX) networks Compatible with HP laserjets 4, 4 plus, 5, 5si, 4V Availability: Usually ships the next business day. HP JetDirect J4100A$59.00   © 2009, 2010 PrinterTechs.com, Inc.  •  866-352-7108  •  www.printertechs.com