does ddr3 ram work in ddr4 slot: Will DDR5 RAM Work on DDR4 Motherboard? (2025) - PC Guide 101. Sự khác biệt chính giữa RAM DDR4 và DDR3. Which RAM Slot to Use? Does it Matter? - PC Guide 101.
DDR5 RAM may seem similar to the previous-gen DDR4 or DDR3 RAM sticks, but it is not. Due to the RAM technology, the DDR4 RAM will PHYSICALLY not fit in DDR3
slots.
Physically, a DDR4 module, looks very similar to a DDR3. However, DDR4 has 288 pins compared with DDR3’s 240 pins; DDR4 SO-DIMMS have 260 pins instead of 204 in DDR3.
Discover how RAM compatibility with motherboard impacts your PC's performance. Learn about DDR3, DDR4, and DDR5 RAM types, memory channels, and more.