CompTIA A+ Certification Practice Test 12 (Exam 220-1101)

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Which of the following answers refer to the Double Data Rate 3 Synchronous Dynamic Random-Access Memory (DDR3 SDRAM)? (Select 3 answers)

16 GB maximum capacity per memory module
240 contact pins
A notch on the RAM module contact surface prevents the installation of incompatible memory types
288 contact pins
32 GB maximum capacity per memory module
Backwards compatible with earlier DDR SDRAM versions