Most RAM I've seen only has one notch. This one has two. What type of RAM is it? : r/pcmasterrace
Anatomy of RAM | TechSpot
Different positioning of notches makes RAM installation idiot proof. Different positioning of notches makes RAM installation idiot proof. - ppt download
What do the positions of the notch in a RAM stick signify? - Quora
Guide to Installing RAM Memory - How to Install RAM Memory
DDR2 vs DDR3 Memory - Difference between DDR2 and DDR3 RAM
Anatomy of RAM for Desktop Computers - Micro Center
DRAM Installation Procedures - Transcend Information, Inc.
Guide to Installing RAM Memory - How to Install RAM Memory
Exam Preparation Tasks | RAM Types and Features | Pearson IT Certification
How to install RAM | Rock Paper Shotgun
File:Notch position between DDR and DDR2.jpg - Wikipedia