Dell Alienware M18x R2 (Early 2012) - Manual (Page 3)

Storage
Interface • SATA 2.0 (3 Gb/s) or SATA 3.0 (6 Gb/s)
• mSATA (SATA 2.0)
Hard drive/solid-state
drive • 9.5 mm height — up to two 2.5-inch drives
• 7.0 mm height — up to three 2.5-inch drives
Drive configurations
supported NOTE: The middle (HDD 2) connector on the
interposer is a SATA 2.0 (3 Gb/s) connector. The
top (HDD 0) and bottom (HDD 1) connectors on the
interposer are SATA 3.0 (6 Gb/s) connectors.
• One drive — Connect to top (HDD 0) or bottom
(HDD 1) connector of the interposer
• Two drives — Connect to top (HDD 0) and bottom
(HDD 1) connectors of the interposer
• Three drives — Connect to all the three connectors
of the interposer
Optical drive one slot-load optical drive supporting DVD+/-RW or
Blu-ray disc writer
Communications
Network adapter 10/100/1000 Mbps Ethernet LAN on Motherboard
(LOM)
Wireless • one half Mini-Card slot
• one full Mini-Card slot
• Bluetooth and Wi-Fi; Wireless Display (optional);
WirelessHD (optional)
Touchpad
X/Y position resolution
(graphics table mode) 742 cpi/1166 cpi
Size
Height 54.0 mm (2.13 inches) sensor-active area
Width 100.0 mm (3.94 inches) rectangle