Hi currently i am using corsair xms 4gb ddr3 CMX4GX3M1A1600C9 model on asus P8Z68-V PRO/GEN3 board and intel i7 proc. but this model is discontinued and i need to upgrade what should i do?? should i go with crosair CMX4GX3M1A1600C11 new model of this
Well you can go with the other model you listed but the RAM will run at a higher CAS Latency, which is not ideal. However, it may be the way you have to go.