Dell Alienware 0JYTRGA00 Owner's Manual page 61

Processor and System Chipset
External bus frequency 133 MHz
Data bus bandwidth up to 6.4 GT/s
RAID support
RAID 0
(internal SATA drives only) RAID 1
RAID 5
RAID 10
BIOS chip (NVRAM) 32 MB
Memory
Connectors
Aurora/Aurora ALX six internally-accessible DDR3 DIMM sockets
Aurora-R2 four internally-accessible DDR3 DIMM sockets
Capacities 1 GB, 2 GB, and 4 GB
1066 MHz and I333 MHz
Minimum 3 GB
Maximum
Aurora/Aurora ALX 24 GB
Aurora-R2 16 GB
1600 MHz XMP (Aurora/Aurora ALX)
Minimum 3 GB
Maximum 12 GB
Memory types
Aurora/Aurora ALX 3- channel DDR3 and DDR3-XMP
Aurora-R2 2- channel DDR3
NOTE: For instructions on upgrading the memory, see "Removing and Replacing
Memory Module(s)" on page 39.
CHAPTER 8: SPECIFICATIONS 61