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View Full Version : Asus RE3 ROG Expander 4-way SLI


Kal-EL
05-20-2010, 01:54 AM
Thursday, May 20 2010http://i.tpucdn.com/images/news/asus.gif
ASUS Gives Rampage III Extreme 4-way SLI Capability with ROG Xpander (http://www.overclockaholics.com/122721/ASUS_Gives_Rampage_III_Extreme_4-way_SLI_Capability_with_ROG_Xpander.html)
ASUShttp://images.intellitxt.com/ast/adTypes/2_bing.gif (http://www.overclockaholics.com/forums/#) has come up with a Frankenstein solution which enables 4-way SLI on the Rampage III Extreme motherboard with full PCI-Express 2.0 x16 bandwidth, called the ROG Xpander. The device is a daughterboard that sits on the motherboard with connections to its PCI-E 2.0 x16 slots. While it might not fit into cases, it is intended to work on test-benches. The two PCI-E x16 connections from the motherboard are wired to two NVIDIA nForce 200 bridge chips, which give out two x16 links each, driving the four x16 slots on the daughterboard. It takes input from one 6-pin PCI-E power (http://www.overclockaholics.com/forums/#) input, and three 4-pin Molex inputs, though not all may be required.

The ROG Xpander ideally would draw 12W of power per nForcehttp://images.intellitxt.com/ast/adTypes/2_bing.gif (http://www.overclockaholics.com/forums/#) chip, and with its own power inputs, will not draw any power from the motherboardhttp://images.intellitxt.com/ast/adTypes/2_bing.gif (http://www.overclockaholics.com/forums/#) for the four PCI-E cards. The point of using this device is that ASUS did not give 4-way SLI capability to the Rampage III Extreme from the factory, even though it already has four PCI-E x16 slots (x8 each when all are populated). A fan seated on the Xpander ensures components on the motherboard under it aren't suffocated of cool air. ASUS ran a 4-way SLI test of four GeForce GTX 480 graphics cards on 3DMark Vantage, where the Core i7 980X @ 6 GHz powered setup scored P52422 points.

http://i.tpucdn.com/img/10-05-20/47a_thm.jpg (http://www.techpowerup.com/img/10-05-20/47a.jpg) http://i.tpucdn.com/img/10-05-20/47b_thm.jpg (http://www.techpowerup.com/img/10-05-20/47b.jpg) http://i.tpucdn.com/img/10-05-20/47c_thm.jpg (http://www.techpowerup.com/img/10-05-20/47c.jpg)


And now for the price. For now it's not known, but considering that the two nForce 200 chips and 4-way SLI license from NVIDIAhttp://images.intellitxt.com/ast/adTypes/2_bing.gif (http://www.overclockaholics.com/forums/#) cost close to US $100, this device won't be cheap. Ideally expect it to be under $200, which is still not a bad value proposition considering other 4-way SLI capable motherboards such as the Gigabyte GA-X58A-UD9 cost around US $700, while the Rampage III Extreme goes for "just" $380.

http://i.tpucdn.com/img/10-05-20/47d_thm.jpg (http://www.techpowerup.com/img/10-05-20/47d.jpg) http://i.tpucdn.com/img/10-05-20/47e_thm.jpg (http://www.techpowerup.com/img/10-05-20/47e.jpg)


Source: NordicHardware (http://www.nordichardware.com/en/component/content/article/76-motherboards/22471-asus-rog-xpander-enables-4-way-sli-on-rampage-iii-extreme.html) via Techpowerup.com

HITandRUN
05-20-2010, 02:22 AM
Insane but must be working! :thumbsup: Go ASUS! Maybe I learn to like the ASUS thing after all these years of hate! ;)

Chuchnit
05-20-2010, 03:24 AM
So that's how Andre did it while looking like he was using a stock board. :D From the pics on hwbot I couldn't tell how it was going to mount.

Kal-EL
05-20-2010, 03:29 AM
V2-V3 prolly has a lil more info on this add-on feature, it makes me very curious as well.

Splave
05-20-2010, 04:45 AM
no thanks!
Does save your slots from getting the grease though lol

MaadDaawg
05-20-2010, 06:44 AM
Frankenstein is the right description :D

Prolly a hot little piece of hardware though

V2-V3
05-20-2010, 10:16 AM
The expander is bas A$$ and hopefully i can get one to play with in the next few weeks, i want to see if it will work on the Maximus III Extreme P55 ASUS board as well as other 3way sli boards.

I think this is an important development and a huge cost savor for us, need to see if there is any performance loss compared to a native dual Nf200 mobo

Splave
05-20-2010, 11:18 AM
maximus III already has NF200 though so no need right?

punx223
05-20-2010, 11:39 AM
maximus III already has NF200 though so no need right?

4 way requires dual NF200's

Kal-EL
05-20-2010, 11:44 AM
4 way requires dual NF200's

Nvidia requirements for the license.

punx223
05-20-2010, 11:56 AM
Nvidia requirements for the license.

2 nf 200's required for 4 way.... ever notice that the 295's have nf200's?


:)

Kal-EL
05-20-2010, 12:08 PM
Nvidia requirements for the license.

2 nf 200's required for 4 way.... ever notice that the 295's have nf200's?


:)

Echo, echo, echo, echo :indifferent:

punx223
05-20-2010, 12:12 PM
Echo, echo, echo, echo :indifferent:

:taunt::thumbsup:

V2-V3
05-20-2010, 07:15 PM
i wonder if this would work on the R1E???? or any damn server board that has dual socket 1366 with 2x 980's