Dell Alienware X51 R2 (Early 2013) - Manual (Page 2)

Dimensions
Height front — 343.00 mm (13.50 inches)
back — 318.50 mm (12.53 inches)
Width 95.00 mm (3.74 inches)
Depth 318.00 mm (12.52 inches)
Minimum Weight 5.49 kgs (12.10 lbs)
NOTE: The weight of your desktop will vary
depending on the configuration ordered and the
manufacturing variability.
System Information
Model Alienware X51 R2
Processor • Intel Core i7 - 4770
• Intel Core i5 - 4430
L2 cache 256 KB per core
L3 cache
Intel Core i7 4770 8 MB
Intel Core i5 4430 6 MB
System chipset Intel H87 Express chipset
DMI speed 5.0 GT/s
Processor data width 64 bits
Memory
Connectors two internally-accessible DDR3 DIMM sockets
Capacities 2 GB, 4 GB, and 8 GB
Memory type DDR3 SDRAM (Non-ECC)
Memory speed 1600 MHz
Memory configurations
supported 4 GB, 6 GB, 8 GB, and 16 GB
Minimum 2 GB
Maximum 16 GB