Dell Alienware Aurora R3 Manual page 63

Memory
Connectors four internally-accessible DDR3 DIMM sockets
Capacities 1 GB, 2 GB, and 4 GB
1333 MHz, 1600 MHz, and 1866 MHz
Minimum 3 GB
Maximum 16 GB
Memory types 2- channel DDR3
NOTE: For instructions on upgrading the memory, see "Removing and Replacing
Memory Module(s)" on page 37.
Back Panel Connectors
IEEE 1394 one 6-pin serial connector
Network adapter one RJ45 connector
USB one 4-pin USB 3.0-compliant connector
six 4-pin USB 2.0-compliant connectors
eSATA one 4-pin connector
Audio 7.1 channel line output, stereo microphone, and
stereo line input connectors
S/PDIF one optical and one coaxial output connector
Top Panel Connectors
USB one 4-pin USB 3.0-compliant connector
two 4-pin USB 2.0-compliant connectors
Audio one stereo headphone and microphone
connectors
Communications
Network adapter 10/100/1000 Ethernet LAN on system board
Wireless (optional) WiFi/Bluetooth wireless technology
Drives
Externally accessible three 5.25-inch drive bays for a Blu-ray Disc
combo, Blu-ray Disc Writer (6x), DVD+/-RW, DVD
Combo, or Media Card Reader (optional)
Internally accessible four 3.5-inch drive bays for SATA hard drives
NOTE: Your computer supports up to two SATA
3.0 (6Gb/s) hard drives.
CHAPTER 7: SPECIFICATIONS 61