DDR3L into DDR3 Slot

DDR3 shows up? Both are 240 pin, but I wasn't sure if DDR3 slots were backward compatible w DDR2 Sometimes they move the little slip on

Socket LGA 775; Supported Intel Core 2 QuadCore 2 DuoPentium Dual-Core Supported 2 DIMM of DDR3 13331066800MHz; Supports BIO-Remote 2 Technology

ddr3 slot DDR3 and see if even though it's well past it's end of life, if it's still a good idea to build a

ddr3 in ddr4 slot CPU Socket All, SP6, SP5, SP3, G34, FT3, C32, AM5, AM3+ Socket Count All, 1P DDR3 Memory Channels All, 12, 8, 6, 2 System Memory Specification All, Up