Ballistix Tracer 4 GB (2 GBx2) 240-pin DIMM DDR3 PC3-10600 (with LEDs) Ballistix Tracer 240-pin DIMMs are found in DDR3 memory. DDR3 the next generation of memory boasts an improved architecture allowing very fast data transmission. To use DDR3, your system motherboard must have 240-pin DIMM slots and a chipset that supports DDR3