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| FSB Data Rate | FSB-400 to FSB-3000 MHz (1 MHz) |
| Clock Multiplier Adjustment | Yes |
| DRAM Linked Ratios | Automatic, 1:1, 5:4, 3:2 |
| DRAM Unlinked Data Rate | DDR3-800 to DDR3-3000 |
| PCIe Clock | 100 to 200 MHz (1 MHz) |
| CPU Vcore | 1.1000 to 2.4000 Volts (0.00625 Volts) |
| CPU FSB Voltage | 1.20 to 2.46 Volts (0.02 Volts) |
| Northbridge (SPP) | 1.30 to 2.20 Volts (0.02 Volts) |
| Southbridge (MCP) | 1.50 to 1.85 Volts (0.05 Volts) |
| DRAM Voltage | 1.50 to 3.10 Volts (0.02 Volts) |
| CAS Latency Range | tCAS: 5-18; tRCD: 1-15; tRP: 1-15; tRAS: 1-63 |
FSB clocks of up to 750 MHz (FSB-3000) are encouraging, if not completely realistic. We’ve never seen an unmodified air-cooled Nvidia-based motherboard reach 500 MHz bus clock before, but we have high hopes for the 790i Ultra SLI.
For users not familiar with manual overclocking, the Striker II Extreme offers several “AI Overclock” adjustments. CPU Level Up can set the approximate speed of a higher-model processor automatically, while an “Overclock Options” menu that appears with the “AI Overclock” option enabled provides automatic speed increases of 5% to 20% in 5% increments.
The Striker II Extreme also provides an automatic memory overclocking option, but the highest setting for our PC3-12800 (DDR3-1600) was its rated PC3-12800 speed. The lack of further adjustment is likely a ruse on Nvidia’s part, where one must pay for the Nvidia logo on his or her RAM to enable “automatic overclocking”. True enthusiasts will know how to adjust their memory manually for the highest performance.
Like most Nvidia chipset LGA775 motherboards, the Striker II Extreme has several “linked” FSB to DRAM memory ratios, but only three of them — 1:1, 5:4, and 3:2 — are manually selectable. Other “linked” ratios can only be used via automatic detection, and setting other speeds manually requires “unlinking” the memory controller.
CPU Core Voltage adjustments up to 2.40 volts and DRAM voltages up to 3.10 volts are surely enough to fry any off-the-shelf part, but extreme overclockers will have a good idea of the limitations for their components. It’s certainly nice to see a wide range of settings, even if the limits are way up there.
All of the important memory settings feature broad enough latency ranges to extract optimum performance at any relevant DDR3 speed. Look for the memory performance and overclocking charts later in this article.
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FINNALY !!!! A Review on the 790i
Mystery Motherboard = GA-N780Ultra-DQ6?
This was ALL OF THE AVAILABLE 790i Ultra SLI MOTHERBOARDS: Other graphics brands with NVIDIA reference boards INCLUDING EVGA are selling the same unit as XFX, even with the same BIOS (except for the boot logo). XFX was the only one who cared to send one.
Thats what i was going to say!!! Thank god. Well i guess i made the right choice. XFX 790i, exactly what i am going to buy in the coming month. Just need to save for it XD.
Who would pay four hundred dollars,when you can just buy a P45 for 100-150 dollars which has roughly the same real world experience as an X48 or 790I?
Nah,I'd rather buy better and more reliable parts-such as power supply,processor,GRAPHICS CARD,and maybe go buy a rifle
$400 for a motherboard? What the hell is wrong with the X48 Express that people would rather consider buying a 790i? And it can't be because of SLI. Makes more sense to buy the X48 and Crossfire.
Who would pay four hundred dollars,when you can just buy a P45 for 100-150 dollars which has roughly the same real world experience as an X48 or 790I?Nah,I'd rather buy better and more reliable parts-such as power supply,processor,GRAPHICS CARD,and maybe go buy a rifle
If you want SLI you're going to need an SLI motherboard. The article specifically stated that the reference design motherboard was almost as good in many ways as the winning board, but far cheaper.
The site only has two awards, one is for top value and the other is for "best of the best". It's hard to award a $350 motherboard for top value, but it's not so difficult awarding the "best of the best" even if the price is outrageous
$400 for a motherboard? What the hell is wrong with the X48 Express that people would rather consider buying a 790i? And it can't be because of SLI. Makes more sense to buy the X48 and Crossfire.
It does! Well, sorta. If you want the absolute fastest rig on the planet, you're going to need at least two, possibly three, GTX280's. But if you can wait a few days or maybe a couple weeks, you might be surprised at how well a Crossfire set of HD4870X2's can perform using an X48 motherboard.
My point is that,even though you could theoritically have 3/4 GPU's all at once,you won't get nearly as much performance as you'd want.A simple 750I or P45 chipset will do nearly the same job.
It is a foxconn board i bet.I just read a review elsewhere with same stuff except it had an x48 chipset."All manner of goodies are bundled with the Black Ops: a 120MM fan, a plastic dry ice cooling pot for the Northbridge, and a Plexiglas "benching table" for open-air use."
For anyone thinking of grabbing these boards - confirm that the manufacturer has a bios fix for drive corruption if you intend to use RAID; its a known issue.
Hey i just bought an EVGA's nForce 790i Ultra SLI 775 A1 Version Motherboard can you test this against them please?
I wanna see how my motherboard performs against these.
Why buy a 790i? Just wait for Nehalem and get a mobo with the x58 chipset. It supports SLI and CrossFire. Seems like the way to go to me. http://www.custompc.co.uk/news/604 [...] sfire.html
Hey i just bought an EVGA's nForce 790i Ultra SLI 775 A1 Version Motherboard can you test this against them please?I wanna see how my motherboard performs against these.
The EVGA motherboard WAS tested. It's the same motherboard as XFX sells. EVGA has never made a motherboard, it buys them from other companies, and in this case XFX and EVGA buy the SAME motherboard from the SAME company. Even the BIOS is the same, which you'd probably know if you read a little more of the article.
XFX wants your business more than EVGA, which is why XFX sent a motherboard when EVGA did not. In fact, EVGA wouldn't even respond to the request.
Why buy a 790i? Just wait for Nehalem and get a mobo with the x58 chipset. It supports SLI and CrossFire. Seems like the way to go to me. http://www.custompc.co.uk/news/604 [...] sfire.html
X58 DOES NOT support SLI any more than the X48 did. Either motherboard could use the nForce 200 bridge to let NVIDIA's graphics driver SEE the "Compatibility". It's all driver tricks, as Intel chipsets supported SLI until NVIDIA locked Intel out in the graphics driver.
So, we might see some X58 motherboards with an nForce 200, and we might also see some that don't have it. All that is well and fine if you're interested in waiting for the "next big thing". But if you want to buy now and instead wait for the next big thing...perhaps you'll see something else on the horizon by then, and never buy anything.
mmhh...I would like if asus make a "ready-watercooled" motherboard. For someone who want a silent PC, watercooled, is there a motherboard better than evga 790 ultra black pearl?
just so everyone knows, the "mystery motherboard" is a foxconn board. i was just on their website the other day and they had some information on this board which is no longer there. any they are the only company that has a LN2 cooling solution for the chipset
Looks like both nVidia and Intel are guilty of not providing information to each other. Intel for not giving the specs to run the 45nm chips and nVidia for restricting the driver on Intel chips... that second move by nVidia sounds borderline monopolistic. Surprised they haven't ended up in courts, no wonder tensions are so high between these companies.
Looks like both nVidia and Intel are guilty of not providing information to each other. Intel for not giving the specs to run the 45nm chips and nVidia for restricting the driver on Intel chips... that second move by nVidia sounds borderline monopolistic. Surprised they haven't ended up in courts, no wonder tensions are so high between these companies.
Both moves are monopolistic, but you could say NVIDIA delivered the first shot in this war since SLI has been restricted for so long.
I was surprised about the news that Intel had traded "permission to use the nForce 200 on Intel chipsets" for its new CPU interface: That would mean Intel gets nothing (still has to buy an nVidia chipset component) while NVIDIA keeps on rolling.
Yup... all it took was the mention of the liquid nitrogen tower to know it had to be a 790i version of the Foxconn Blackops. If it does come out I hope it's considerably better and more reliable than their disaster of an X48 board. Hmmm... maybe thats why this board is delayed or cancelled. Just having a notable overclocker jump ship from DFI to Foxconn does not turn a traditional junk maker into a shining star.