You have not given hardly any information that I require to give advice. Without it there is nothing that can be said or advised.
I have a EVGA GTX 460 768 MB and I wanna buy a GeForce GTX 460 SE Video Card - 1G.
My question is Can these 2 work together in SLI?
my mobo: GIGABYTE GA-P67A-UD4-B3 Intel 6 Series Motherboard - ATX, Socket H2 (LGA1155), Intel P67 Express, 2133MHz DDR3, SATA 6.0 Gb/s, RAID, 7.1-CH Audio, Gigabit LAN, USB 3.0, SLI/CrossFireX Ready
memory :Corsair CMZ6GX3M3A1600C9 Vengeance Desktop Memory Kit - 6GB (3x 2GB), PC3-12800, DDR3-1600MHz, 9-9-9-24 CAS Latency, Intel XMP Ready
cpu: Intel Core i5-2500K BX80623I52500 Unlocked Processor - Quad Core, 6MB L3 Cache, 3.30 GHz, Socket H2 (LGA1155)
psu: corsair 650 watts