Acer Aspire 4720Z Aspire 4720, 4720Z User's Guide EN - Page 40
Storage, subsystem, Audio, Communication, Dimensions, and weight, Power subsystem - hard drive
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22 English Storage subsystem Audio Communication Dimensions and weight Power subsystem • 80/120/160/250 GB or larger hard disk drives • Optical drive options: • DVD-Super Multi double-layer drive • DVD/CD-RW combo drive • 5-in-1 card reader, supporting Secure Digital (SD), MultiMediaCard (MMC), Memory Stick® (MS), Memory Stick PRO™ (MS PRO), xDPicture Card™ (xD) • Dolby® certified surround sound system with two built-in stereo speakers • Dolby® Home Theater audio enhancement featuring Dolby® Digital, Dolby® Digital Live, Dolby® PRO LOGIC II, Dolby® Digital Stereo Creator, Dolby® Headphone and Dolby® Virtual Speaker technologies • Intel® High Definition audio support • S/PDIF (Sony/Philips Digital Interface) support for digital speakers • MS-Sound compatible • Built-in microphone • Two built-in stereo microphones Acer Video Conference, featuring: • Integrated Acer Crystal Eye webcam, supporting Acer PrimaLite™ technology • Optional Acer Xpress VoIP phone • WLAN: • Intel® Wireless WiFi Link 4965AGN (dual-band quad-mode 802.11a/b/g/Draft-N) Wi-Fi CERTIFIED® network connection, supporting Acer SignalUp™ with InviLink™ Nplify™ wireless technology (for selected models) • Intel® PRO/Wireless 3945ABG (dual-band tri-mode 802.11a/b/ g) Wi-Fi CERTIFIED® network connection, supporting Acer SignalUp™ wireless technology (for selected models) • Acer InviLink™ 802.11b/g Wi-Fi CERTIFIED® solution, supporting Acer SignalUp™ wireless technology (for selected models) • WPAN: Bluetooth® 2.0+EDR (Enhanced Data Rate) • LAN: Gigabit Ethernet; Wake-on-LAN ready • Modem: 56K ITU V.92 with PTT approval; Wake-on-Ring ready • 342 (W) x 247 (D) x 35/38 (H) mm (13.46 x 9.72 x 1.38/1.49 inches) • 2.45 kg (5.38lbs.) with UMA • 2.50 kg(5.50 lbs.) with discrete MXM card • ACPI 3.0 CPU power management standard: supports Standby and Hibernation power-saving modes • 53.28 W 4800 mAh 6-cell Li-ion battery pack • 3-pin 65 W AC adapter (for selected models) • 2.5-hour rapid charge system-off • 3.5-hour charge-in-use • 3-pin 90 W AC adapter supporting Acer QuicCharge technology: (for selected models) • 80% charge in 1 hour • 2-hour rapid charge system-off • 3-hour charge-in-use