Dell Alienware M14x R2 (Early 2012) - Manual (Page 4)

Storage
Interface • SATA 2.0 (3 Gb/s) or SATA 3.0 (6 Gb/s)
• mSATA
Number of hard drives two
Drives supported • one 2.5-inch solid-state drive or hard drive
• one mSATA solid-state drive
• Support for Intel Smart Response Technology
Optical drives one
Drives supported • DVD+/-RW
• Blu-ray reader and DVD+/-RW combo
Media-card reader
Cards supported • Secure Digital (SD) memory card
• Secure Digital Input/Output (SDIO) card
• Secure Digital Extended Capacity (SDXC) card
• MultiMedia Card (MMC)
• MultiMedia Card plus (MMC+)
• Memory Stick
• Memory Stick PRO
• xD-Picture Card (type - M and type - H)
• Hi Density-SD (SDHD)
• Hi Capacity-SD (SDHC)
Touchpad
X/Y position resolution
(graphics table mode) 953 cpi
Size
Height 42.00 mm (1.65 inches)
Width 81.00 mm (3.19 inches)