@Noxinite I believe you should seek out some Hynix 1GB BFR. From the limited information I've read it scales just about the same as other Hynix DDR3 in general, and based off of your findings here, other timings may be able to go tighter. It can be found in at least this kit here:
https://vic81324.pixnet.net/blog/post/32345479-kingston-藍色風暴t1-hyperx-ddr3-1600