Dell Alienware M15x (Early 2011) - Manual (Page 5)

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COMPREHENSIVE SPECIFICATIONS
ExpressCard
Interface
supports PCIe and USB 2.0
Connector one 26-pin ExpressCard slot (54 mm)
Cards supported ExpressCard/34 (34 mm)
ExpressCard/54 (54 mm)
IEEE 1394/Media Card
IEEE 1394/Media Card
controller
Ricoh R5C833
IEEE 1394 interface compliant with standard IEE1394a-2000
specification
Media Card formats
supported Secure Digital (SD) memory card •
Secure Digital High Capacity (SDHC) card •
Secure Digital Input/Output (SDIO) card •
Multi Media Card (MMC) •
Memory Stick •
Memory Stick PRO •
xD-Picture Card (type - M and type - H) •
Hi Density-SD (SDHD) •
Ports and Connectors
IEEE 1394 A
one 4-pin serial connector
Network adapter one RJ45 connector 10/100/1000 Mbps
USB three 4-pin USB 2.0-compliant connectors,
including one through eSATA/USB combo
connector
eSATA one through eSATA/USB combo connector
VGA one 15-hole connector
DisplayPort one 20-pin connector
Audio one microphone connector,
two stereo headphone/speaker connectors
ExpressCard one ExpressCard/54 connector
8-in-1 Media Card Reader one combo connector
Communications
Network adapter
10/100/1000 Mbps Ethernet LAN on system
board
Wireless
WLAN Mini-Card (Half Mini-Card slot) •
WPAN, Bluetooth • ® card (Full Mini-Card slot)