IBM offers the Broadcom 10 Gb E SFP+ network adapter family that is based on the Broadcom BCM57811S & BCM57810S controllers for IBM System x servers. This adapter uses Broadcom's controller technology, which provides outstanding performance, efficiency, and scalability for the enterprise data center. The adapter connects to SFP+ multimode fiber SR optical modules & direct-attach copper (DAC) cables. Designed For Ne Xt Scale nx 360 M4; System x i Data Plex dx 360 M4; System x 3100 M4;x 3250 M4;x 3300 M4;x 3500 M4;x 3530 M4;x 3550 M4;x 3630 M4;x 3650 M4;x 3650 M4 BD;x 3650 M4 HD;x 3690 X5;x 3850 X5;x 3950 X5