I just built a system with 12GB (4x3 ) of GSkill DDR3 1600, 7-8-7-24.
System has been running nice and stable with no overclocking attempted yet for about 5 weeks. Tonight I ordered my 2nd set of the same RAM and my concerns are the same as yours. I would have waited longer to order the next 12GB but every day I wait, my concerns of compatibility are growing so I decided to just do it. I'm sure that next week when I get the chips in the system if there is any problem that Newegg will opt to help me out.
I was going to email them before ordering but I didn't have the energy tonight to explain that I would hope to swap 2 sets of 12 for 1 set of 24 if this does not work.
So here I go with another $500 gamble. I'll let you know what happens when I get them installed in my GIGABYTE GA-X58A-UD3R.
Edit: Based on discussions I have had with GSkill sales support, they are very reasonable and I believe they will stand behind their product because they assured me that compatibility would not be an issue.
Thanks Eric - that was the post!
So, the lesson here is to go ahead and buy any future-expansion memory up-front to avoid possible compatibility issues down the road.
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Just to update my last post.
I installed my second set of 12GB G.Skill ram this evening and everything is fine.
System recognized the full 24GB immediately and did not even burp.
Note on the having all 6 DIMM slots full, the Balder SD1283 was perfect for this.
The fan just misses the first slot. I will add a 2nd fan in the future when I begin to overclock.
This cooler will not mount in a horizontal position as the heat pipes conflict with the RAM.
Final system specs:
COOLER MASTER ATCS 840 Case
GIGABYTE GA-X58A-UD3R Mobo
i7-930 Bloomfield 2.8GHz
XIGMATEK BALDER SD1283 CPU Cooler
G.SKILL Trident+ Turbulence II 12GB (3 x 4GB) DDR3 1600 (2X = 24GB) Model F3-12800CL7T-12GBTDD
MSI GeForce GTX 480
WD VelociRaptor WD3000HLFS 300GB 10000 RPM SATA
SAMSUNG Spinpoint F3 HD103SJ 1TB 7200 RPM SATA x 5
ASUS DRW-24B1ST 24X DVD Burner
Thermaltake Toughpower W0133RU 1200W PSU
Total here $3367
ASUS MT276HE Black 27" 2ms(GTG) HDMI Widescreen LCD Monitor
CyberPower PR1500LCDRT2U 1500 VA 1000 Watts UPS
Final Total $4197
Nice build! and great to see another member using the ud3r board with no memory issues. Let us know how the overclocking goes.
Well done! I'm glad the memory worked out as well.
looking at your images, looks like you have mounted the CPU cooler fan the wrong way. you should be pushing air through the cooler.