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Two Corsair Vengeance Lpx Ddr4 Ram Sticks Modern High End – Stock Editorial Photo © tomeqs #438053506
![I tried to purchase some RAM for my computer, but the grooves don't match and the new RAM sticks won't fit in. I thought all laptop RAM sticks were compatible and interchangeable. I tried to purchase some RAM for my computer, but the grooves don't match and the new RAM sticks won't fit in. I thought all laptop RAM sticks were compatible and interchangeable.](https://preview.redd.it/i-tried-to-purchase-some-ram-for-my-computer-but-the-v0-zy9ecpfs5tt81.jpg?width=576&format=pjpg&auto=webp&s=6e549948a2efe10cf272375436723a60776c2280)
I tried to purchase some RAM for my computer, but the grooves don't match and the new RAM sticks won't fit in. I thought all laptop RAM sticks were compatible and interchangeable.
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DDR4 4GB 8GB 16GB 2133MHZ 2400MHZ 2666MHz PC4-17000 19200 21300 DIMM RAM Stick 288pins Universal Desktop Memory 16banks - AliExpress
![DDR2 2GB Memory Stick Kit,2GB PC DDR2 800Mhz PC2-6400 240 Pin 1.8V Desktop Memory RAM for Intel/AMD at Amazon.com DDR2 2GB Memory Stick Kit,2GB PC DDR2 800Mhz PC2-6400 240 Pin 1.8V Desktop Memory RAM for Intel/AMD at Amazon.com](https://m.media-amazon.com/images/I/51gTNg5VbDL._AC_UF894,1000_QL80_.jpg)
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