A1 and B1 memory slots don't work, while A2 and B2 do

A1 and B1 memory slots don't work, while A2 and B2 do ddr4 and ddr5 same slot DDR5 also has the Same Bank Refresh function , allowing it to refresh one bank per group instead of all banks On-die ECC is ddr4 and ddr5 same slot You cannot use DDR5 RAM into DDR4 motherboard socket Since DDR4 and DDR5 memory

ddr4 and ddr5 same slot But mainstream CPUs still have the same 128-bit total width for their DRAM controllers, so you still need more than one DIMM installed to use

ddr4 in ddr5 slot DDR4 and DDR5 memory when it comes to gaming laptops? I've compared two laptops While both DDR4 and DDR5 have the same number of pins This prevents DDR4 RAM from fitting into a DDR5 motherboard slot and vice versa