Dell XPS 710 H2C Performance Gaming System

The XPS 710 H2C Edition is billed as a top-of-the-line ultra-performance machine built with the most hardcore of gamers in mind, a niche that Alienware is very familiar with. Not only does the XPS 710 H2C hold the distinction of being Dell's first non-limited edition factory overclocked computer, it also uses Dell's first in-house liquid cooling system to keep it's quad-core power plant cool. The XPS 710 H2C is the most heavily performance-specified XPS system yet, with an Intel Core 2 QX6700 processor, dual GeForce 8800 GTXs, 4 GB of RAM and two Western Digital Raptors in a RAID 0 array, as standard equipment. We recently got our hands on one and we've been putting it through its paces, as it ripped through the benchmarks in our labs.

Dell XPS 710 H2C Performance Gaming System
http://www.hothardware.com/vie...rticleid=928&cid=8

Enjoy and Thanks!

Wow... that's a beautiful machine

Very Cool Review!!!

Although I think they should have used the 680i.. and Faster Memory.. at least DDR 2 800

If I'm throwing away 5k on a PC I want the Latest Tech available...

Yea, I think it is a stunning system too. Except for the fact that everything "Dell" claimed about the design and build of the cooling system they did is wrong.

Dell paid CoolIT to modify their MTEC cooler (Coolit has the tech patented) to fit in the Dell case and have Dell branding. The modified design is actually weaker in cooling power than CoolIT's Freezone cooler, about on par with the new Eliminator. If you want that tech in your home PC, head over to CoolIT's website and find out all you wanna know about it.

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Originally posted by: InfinityzeN
Yea, I think it is a stunning system too. Except for the fact that everything "Dell" claimed about the design and build of the cooling system they did is wrong.

Dell paid CoolIT to modify their MTEC cooler (Coolit has the tech patented) to fit in the Dell case and have Dell branding. The modified design is actually weaker in cooling power than CoolIT's Freezone cooler, about on par with the new Eliminator. If you want that tech in your home PC, head over to CoolIT's website and find out all you wanna know about it.

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Your correct, the H2C system is a collaboration between CoolIT and Dell. MTEC is a moniker for a technology that CoolIT has patented, its not the name of a cooler. The H2C system does use the MTEC tech but its not just a simple mod of an existing CoolIT design. Another point worth mentioning is that the Freezone uses 6 low-draw TECs (56W total), the Eliminator (40W) uses 3 and the H2C only uses 2. Another key difference is that the Freezone and the Eliminator are both one-stage processes while the H2C is a two-stage system. That is why the H2C gets away with less TECs, because they don't need to cool all the water in the radiator, just the water passing through the secondary heat exchanger, which has already been cooled by the radiator. Judging from just the specs, I would put the H2C somewhere between the Freezone and the Eliminator in most situations, but no one can be sure without a direct performance comparison. One advantage the H2C system has is that since its a two-stage process, it has a much higher tolerance before the TECs become saturated (significant amounts of heat leaks back to the cold side).

How easy would it be to swap out the two graphics cards with different cards?

In a few of the pictures of the inside of the system there seems to be an odd 'cage' assembly around the graphics cards that would seem to prevent their easy removal for upgrading down the line.

It actually a lot easier than it looks. The user's manual that comes with the system has instructions on how to remove the various components, such as the H2C system and the video cards. The system was designed to be upgradable (if you ignore the rather hopeless BTX form factor).

I just purchased this system from DELL and I love it.. However, I was hoping someone could tell me if the "buzzing" noise from the powersupply is normal. It's not the fan in the powersupply because you can actually hear where it's coming from (the very back of the PSU, nowhere near the fan). Also, when I scroll my mousewheel on a webpage, or the CPU is used at all, the buzzing noise seems to follow along with the movement in a rapid on-off fashion. By scrolling my mouse wheel I can actually create a little rhythm.

The Dell tech support was very nice. They sent out a technician (within two days) and he replaced the powersupply. When the tech first heard it he said, 'That certainly isn't right'. Unfortunately the sound is still here even after the replacement. It's the loudest sound coming from the box and I just can't believe that it is supposed to sound this way. It is truly unbareable.

Dell is coming out one more time to replace the PSU, If that fails I have a choice to recieve an entirely new identical system, get my money back, or pick another system.

I really want to keep this system, but if this sound is normal I will glady choose another. So please, if you have used this system let me know if this is normal.

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Originally posted by: Gel214th
How easy would it be to swap out the two graphics cards with different cards?

In a few of the pictures of the inside of the system there seems to be an odd 'cage' assembly around the graphics cards that would seem to prevent their easy removal for upgrading down the line.

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I was easily able to remove both cards from the case while on the phone with DELL techsupport (they asked me to remove them for troubleshooting purposes, see above post). The only tricky part is to remember to remove the plastic guard covering the card's inputs (facing outside of the case) before you try to pull it out. Other than that, it was a breeze.

Hi, I have one of these and it is very noisy. there high piteched whine noise eminates from the coolant pump in my machine, and Dell have been out to replace it twice. I am now arguing with them about having the machine replaced and suspect they are avoiding me.
Have you opened the side and listed by the pump at all, I found if i applied presseure to the side of it, it moved on its rubber mounts and the pitch of the noise changed so narrowed it down.

anyway, let me know if you had any progress

I purchased the 710 H2C.

I don't hear a high pitched whine from the pump, but I do hear something from the back of the machine. I don't know if its the PSU or the pump itself. At any rate it does not seem to affect system performance and when I'm gaming I don't notice it at all.

It's quieter than the watercooled Alienware ALX system as well which still needs its three fans turned on when gaming, negating the 'quiet' of a watercooled system in the first place.

quote:

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Originally posted by: bastie
Hi, I have one of these and it is very noisy. there high piteched whine noise eminates from the coolant pump in my machine, and Dell have been out to replace it twice. I am now arguing with them about having the machine replaced and suspect they are avoiding me.
Have you opened the side and listed by the pump at all, I found if i applied presseure to the side of it, it moved on its rubber mounts and the pitch of the noise changed so narrowed it down.

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I know what you're talking about when you say "high pitched whine". During my time reviewing the XPS710, I also noticed it, although I didn't find it particularly bothersome. Maybe it's because I listen to too much loud music, but I didn't find the whine too out of the ordinary, especially compared to other high-performance PCs I've owned and worked with in the past. If it is the coolant pump and they have replaced it twice without any change, then it's probably not a problem from a mechanical perspective.

Hi - I have exactly the same problem on my 720 H2C (arrived Wednesday).

What has happened to your problem, have Dell managed to resolve it? Please let me know how you have got on (I hope well for you and all XPS owners).

Awesome system but the buzzing really does drive me nuts!  I'm also concerned it may mean a more serious problem on it's way. I will be reporting it as soon as I can get hold of Dell. I will probably demand a pre-tested replacement as I don't care for an engineer ripping my very cool machine to bits.

 

710 H2C purchased 6 weeks ago everything was fine until about a week ago all of a sudden it became extremely loud when any kind of graphics load was put on it, EverQuest2 is a good example. So I download Ntune and check the settings, Ive never checked the temps and fan speeds before so I have nothing to compare it to other than the CPU fan noise increase.

At Idle im getting (with ntune):
CPU 44C - fan 939RPM
System 27C - fan 1300 RPM
GPU1 63C GPU2 76C

With a CPU load of 25 - 27% (EQ2 only uses one core of processor so one core at full load basically) im getting:
CPU 80-82C - fan 4054RPM!! (very loud)
System 27C - fan 1300RPM
GPU1 63C GPU2 80C

What should these temps be with the h2C cooler?

Tech support said i could run the CPU at 78C without hurting it I would just have to deal with the fan noise until I could get it fixed. This temp still seems very high to me anyone know if it's really safe?

Tech Support ordeal detailed below:
Used online chat first time was told to unplug and replug in CPU fan connector so I did it, but tech support didn't suspend my session so that was end of that chat - problem not fixed.

Used online chat again, this time the tech went through my specs took control of my PC changed out video drivers, ran tests for an hour and a half then said he was going to do some research and call me back the following day, um ya he never called - problem not fixed.

So now I call tech support and have to rerun through the bulk of the diagnostics over the phone (2 hour call) PC passes all diagnostic tests, so we conclude (What i had been saying since I contacted them initially) it must be the H2C unit, tech support guy sets up a work order 2 days later I get a call from a local repair guy and setup an appointment for a repair the following day (I was annoyed with my initial contact with customer service, but now I'm impressed its going to be fixed within 4 days of reporting it!). Repair tech shows up takes my pc apart and opens the box with the replacement part and ya you guessed it they shipped some part thats not even in my system!!! Tech called them up and told them they sent wrong item and said they were shipping a new one and he would call in 2 days to set up another appointment. That was 4 days ago haven't heard anything from anyone since??? Ya Good Times!

 

So 2 questions really:

1. is 78C to hot to run this cpu without risking any damage to it?

2 When the unit gets replaced what should the temps be at idle, partial load and max load? 

Here's a link to some temperature tips : http://www.tomshardware.com/forum/221745-29-core-temperature-guide

 78C is pushing things with the processor, and apparently taking it close to shutdown temperature which I believe could result in a fried processor.

I've actually never had the big fan kick in on my 710H2C except at initial power-on. You should be careful, and step the CPU back to normal speeds, 2.66Ghz immediately.You're not going to experience unplayable framerates at that level with even the basic 710H2C config, and I'm assuming you have at least one 8800GTX or even a GTS.

 Err on the side of caution :)

Very nice, however seems to run hot, and as noted, some faster memory could have been used.

Overall, nice to see Dell being very competitive in the high-end PC market.

Just a note to purchases of the 710H2C. until October you have the oppurtunity to UPGRADE to a brand new 720H2C motherboard system which provides capability for adding faster memory, processors and some other new options onthe i680 motherboard.

 Check the Dell site for more information on the 700 series Upgrade! http://www.xpsupgradeprogramdell.com/

No, this is not free. You have to pay I think about 500US maximum for the upgrade components and in-house installation if you want it. The components alone are about half that.

 OK, got the replacement H2C Unit installed system is now running as follows max load (all 4 cores):

NTUNE

CPU 39C Fan RPM 1200

System 28C Fan RPM  1402

GPU1 60C

GPU2  76C

I see momentary spikes on CPU temp up to 46C with negligible fan rpm increases, not sure what causes them, I'm guessing me switching in and out of programs to keep CPU maxed out (also SLI is turned off)

 

 

Did you have to replace the entire H2C system, or the cooling unit?  Did the repair guy indicate if they are having problems with the cooling units?

 

Dell sent a new H2C Cooling Unit, a new front fan and a new HDD fan all of which were replaced. Both the Customer Service Troubleshooter's and the On-site Repair Technician said it was the first time they had ever been called about one of these units (Judging by the way the on-site guy removed it I believe him - CST I never believe regardless of what they say...). Also, dell ships the units with some GIMP!!! thermal paste already on them with a plastic cover to protect it and tells the techs its not necessary to add to it. After the unit was replaced everything seemed OK; Then a day later my temps began to climb up to around 50C fan stayed at 1100-1200 rpm no big deal (no noise!)... However, I removed the unit cleaned off the dell crap reinstalled with Arctic Silver (Use your own preference here A S was my personal choice) and guess what I don't go over 31C  ever fan rarely breaks 1000 rpm. IMHO the problem was with the liquid cooling unit and Dell's GIMP heat transfer medium; The CPU fan (Part of liquid cooling unit) spun up and down as required by temp which tells me mobo sensors were reading accurately, I can verify exhaust temp through sweat I swear my CPU heated my comp room 10 degrees fahrenheit. Things i will remember - if the h2c is metal on metal with no heat transfer medium 80C is still to hot for a liquid cooler. AS helped me, however to date there is no diagnostic to troubleshoot the H2C Unit... when in doubt make dell replace everything... YES IM STILL BITTER