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.
Original Kingston ValueRAM DDR4 2133MHz For Notebook 6GB 8GB 16GB Intel Memory RAM Memory Stick Laptop
A-Tech 6GB (3x2GB) RAM Replacement for Corsair TR3X6G1600C9 | DDR3 1600MHz PC3-12800 UDIMM Non-ECC 1.5V 240-Pin Memory Kit at Amazon.com