7420 Specifications (Accessibility Compliant)
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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 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...
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 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...
7420 Specifications (Accessibility Compliant)
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...HDMI Network adapter USB Media Card Reader VGA mSATA (optional) Inspiron 14R-5420/7420/ M421R-5425 Inspiron 15R-5520/7520/ M521R-5525 Shared 1 GB (Inspiron 14R-5420, Inspiron M421R-5425) 2 GB (Inspiron 14R-7420) Shared 1 GB (Inspiron 15R-5520, Inspiron M521R-5525) 2 GB (Inspiron 15R-7520) Inspiron 14R-5420/7420/ M421R-5425 Inspiron 15R-5520/7520/ M521R-5525 one microphone-in port one... port with PowerShare and Windows debugging one 8-in-1 slot one 8-in-1 slot one 15-hole port one 15-hole port one mSATA port that supports up to 32 GB (Inspiron 14R-5420/7420) one mSATA port that...
...HDMI Network adapter USB Media Card Reader VGA mSATA (optional) Inspiron 14R-5420/7420/ M421R-5425 Inspiron 15R-5520/7520/ M521R-5525 Shared 1 GB (Inspiron 14R-5420, Inspiron M421R-5425) 2 GB (Inspiron 14R-7420) Shared 1 GB (Inspiron 15R-5520, Inspiron M521R-5525) 2 GB (Inspiron 15R-7520) Inspiron 14R-5420/7420/ M421R-5425 Inspiron 15R-5520/7520/ M521R-5525 one microphone-in port one... port with PowerShare and Windows debugging one 8-in-1 slot one 8-in-1 slot one 15-hole port one 15-hole port one mSATA port that supports up to 32 GB (Inspiron 14R-5420/7420) one mSATA port that...
7420 Specifications (Accessibility Compliant)
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... Output power Rated output voltage Temperature range Operating Storage Inspiron 14R-5420/7420/ M421R-5425 3.34 A (Inspiron 14R-5420/7420) 4.62 A (Inspiron 14R-5420/7420, Inspiron M421R-5425) 65 W (Inspiron 14R-5420/7420) 90 W (Inspiron 14R-5420/7420, Inspiron M421R-5425) 19.50 +/- 1 VDC Inspiron 15R-5520/7520/ M521R-5525 3.34 A/4.62 A ...32 °F to 104 °F) -40 °C to 70 °C (-40 °F to 158 °F) Media-card reader Cards supported • Secure Digital (SD) memory card • Secure Digital High Capacity (SDHC) • Secure Digital Extended Capacity (SDXC) with ultra ...
... Output power Rated output voltage Temperature range Operating Storage Inspiron 14R-5420/7420/ M421R-5425 3.34 A (Inspiron 14R-5420/7420) 4.62 A (Inspiron 14R-5420/7420, Inspiron M421R-5425) 65 W (Inspiron 14R-5420/7420) 90 W (Inspiron 14R-5420/7420, Inspiron M421R-5425) 19.50 +/- 1 VDC Inspiron 15R-5520/7520/ M521R-5525 3.34 A/4.62 A ...32 °F to 104 °F) -40 °C to 70 °C (-40 °F to 158 °F) Media-card reader Cards supported • Secure Digital (SD) memory card • Secure Digital High Capacity (SDHC) • Secure Digital Extended Capacity (SDXC) with ultra ...