220-801 · Question #306
Which of the following types of memory is PC3-8500?
The correct answer is C. DDR3. The 'PC3' prefix in a memory module's designation identifies it as DDR3 RAM. The naming convention works as follows: PC (DDR1), PC2 (DDR2), PC3 (DDR3), PC4 (DDR4). The number following the prefix (8500) represents the module's peak transfer bandwidth in MB/s. PC3-8500…
Question
Which of the following types of memory is PC3-8500?
Options
- ADDR
- BDDR2
- CDDR3
- DRAMBUS
How the community answered
(43 responses)- A2% (1)
- C93% (40)
- D5% (2)
Explanation
The 'PC3' prefix in a memory module's designation identifies it as DDR3 RAM. The naming convention works as follows: PC (DDR1), PC2 (DDR2), PC3 (DDR3), PC4 (DDR4). The number following the prefix (8500) represents the module's peak transfer bandwidth in MB/s. PC3-8500 corresponds to DDR3-1066, running at an effective speed of 1066 MHz and delivering approximately 8500 MB/s of bandwidth. DDR and DDR2 use PC and PC2 prefixes respectively, and RAMBUS uses a different naming scheme entirely.
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