Dell Inspiron 14R SE 7420 Specifications (Accessibility Compliant) - Page 3

Memory Connectors Capacities Minimum memory Maximum memory Memory type Memory configurations supported Inspiron 14R-5420/7420/ M421R-5425 Inspiron 15R-5520/7520/ M521R-5525 two internally-accessible two internally-accessible DDR3 SODIMM sockets DDR3 SODIMM sockets 2 GB and 4 GB 2 GB and 4 GB 2 GB 2 GB 8 GB 8 GB 1600 MHz DDR3 SODIMM 1600 MHz DDR3 SODIMM 2 GB, 4 GB, 6 GB, and 8 GB 2 GB, 4 GB, 6 GB, and 8 GB Communications Modem (optional) Network adapter Wireless Inspiron 14R-5420/7420/ M421R-5425 external V.92 56 K USB modem 10/100 Ethernet LAN on system board (Inspiron 14R-5420, Inspiron M421R-5425) 10/100/1000 Ethernet LAN on system board (Inspiron 14R-7420) WLAN, WiMax, Wi‑Fi abgn/bgn, Wi-Di (optional), and Bluetooth wireless technology Inspiron 15R-5520/7520/ M521R-5525 external V.92 56 K USB modem 10/100 Ethernet LAN on system board (Inspiron 15R-5520, Inspiron M521R-5525) 10/100/1000 Ethernet LAN on system board (Inspiron 15R-7520) WLAN, WiMax, Wi‑Fi abgn/bgn, Wi-Di (optional), and Bluetooth wireless technology