Maximum PC

Hello All,
I'm getting ready to upgrade a few components in my current system (specs below) & just wanted to make sure I was on the right track.

I'm wanting to upgrade to an SSD, I'll be caped at 300 MB/s SATA II correct?
The 680i SLI doesn't support AHCI mode, will I run into any issues with this & will TRIM still work as it should threw Win 7?

I'm also going to be upgrading the ram with 4GB of Kingston HyperX 2GB (2 x 1GB) DDR2 800MHz (PC2 6400) Dual Channel Kit Model KHX6400D2LLK2/2GN, is 4GB enough for gaming?
Thanks All, Phil B.
Current System Specs:
OS: Windows 7 Home Premium 64-bit.
Case: Cooler Master HAF 922
Motherboard: EVGA 680i SLI A2 122-CK-NF68
CPU: Intel Core 2 Duo E6600 2.40GHz
Graphics Card: EVGA 8800GTS 640MB
Hard Drive: Western Digital VelociRaptor 300GB SATA 6 Gb/s 32MB Cache16MB Cache
RAM: OCZ 2x512 & 2x1GB Gold GX XTC PC2-6400.
Power Supply: CORSAIR TX650W

I don't quite understand what you are proposing to do with RAM. Are you planning to add 2 sticks of 1 GB RAM (a total of 2 GB) to an existing 2 sticks of 512 MB RAM (total of 1 GB) for a grand total of 3 GB of RAM? In any case, I believe it's always advisable to use identical sticks of RAM or you may have weird issues.

But regardless of whether you have 2 or 3 or 4 GB of RAM, your build will not be able to play newer games because of the older CPU and GPU parts. Imho, I would not suggest spending really any money into this PC unless you are certain you will be able to recycle it into your next build.

For example, a decent SSD should work okay with this system even with its limitations (no TRIM, 3 GB/s vs 6 GB/s). You may not be able to make the most of it, but it'll still be super fast compared to a mechanical drive. Hope that helps!

I used almost the exact build about 5 years ago. There isn't too much you can do to it for you to notice a significant improvement. An upgraded GPU will be bottlenecked by your CPU and vise versa.

IMO start saving up at least 500$ and you can get a pretty nice gaming rig. $700 can start getting you into that mid-range build where you get the real bang for your buck.