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Item#: N82E16813131297

ASUS P5Q Deluxe LGA 775 Intel P45 Intel Motherboard

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  • Intel P45
  • Core 2 Quad / Core 2 Extreme / Core 2 Duo
  • DDR2 1200

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  • Overview
  • Specifications
  • Warranty & Returns
  • Reviews

Asus has long had a solid reputation within the overclocking community, and their P5Q Deluxe motherboard continues to build on that. Based on Intel's P45 Express and ICH10R chipsets, this ATX board is ready to host the latest LGA775 Core2 quad-core processors along with Core 2 Duo, Pentium D and Celeron CPUs.

Up to 8GB of DDR2 1200 RAM can be installed for increased performance. A pair of PCI-Express 2.0 x16 cards can be mounted for cutting-edge graphic power with support for CrossFireX. 100% all high-quality conductive polymer capacitors give longer life and higher energy efficiency by supplying power to vital components independently.

Get eight channels of HD sound with Asus's AI Audio 2 technology for true-to-life high quality audio. Connect up to eight SATA drives at 3Gb/s for high-speed data transfers as well as the option for multiple RAID configurations. Integrated dual Gigabit Ethernet LAN allows bottleneck-free connections to other network devices at broadband speeds and a half-dozen USB 2.0 ports allows for nearly unlimited possibilities in connecting peripheral devices.

  • newegg Intel P45 Express Chipset for Intel LGA 775 CPU Based on the Intel P45 Express chipset, the Asus P5Q Deluxe supports Intel LGA 775 (Socket T) processors including the Core 2 Extreme, Core 2 Quad, Core 2 Duo and Pentium D series as well as the next generation Intel 45nm processors.
  • newegg ATi CrossFireX Multi-GPU Technology Support ATi CrossFireX is the ultimate multi-GPU performance gaming platform, enabling two or more discrete graphics processors to work together for boosted system performance and a breakthrough gaming experience.
  • newegg Dual Gigabit LAN The integrated dual Gigabit LAN design allows a PC to serve as a network gateway for managing traffic between two separate networks. Dual Gigabit LAN means rapid data transfers from WAN to LAN without any added arbitration or latency.
  • newegg Asus EZ Flash 2 With Asus EZ Flash 2, simply press the pre-defined hotkey to launch this tool and update BIOS from a USB flash disk before entering the OS. You can update your BIOS only in a few clicks without preparing an additional floppy diskette or using an OS-based flash utility.
  • newegg Q-Connector The Asus Q-Connector allows single-step connection and disconnection of chassis front panel cables with one complete module. This unique adapter ensures quick and accurate connections without the trouble of plugging cables in separately.
  • newegg S/PDIF Out Featuring coaxial and optical S/PDIF-out (SONY-PHILIPS Digital Interface) jack for digital audio output, the Asus P5Q Deluxe motherboard provides convenient connectivity to external home theater audio systems while keeping the best signal quality without converting to the analog format.

Learn more about the ASUS P5Q Deluxe

Warranty, Returns, And Additional Information
  • Warranty
  • Limited Warranty period (parts): 3 years
  • Limited Warranty period (labor): 3 years
  • Read full details

Customer Reviews of the ASUS P5Q Deluxe

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  • Anonymous
  • 12/30/2012 2:48:38 AM
  • Ownership: 1 month to 1 year

3 out of 5 eggsUnfortunately I got the short end of the stick with this board-Not happy

Pros: Reliable, stable, trouble free operation for 7 months. The jumpers they have are very handy and allow for easy reset without having to remove the battery. Board looks great, almost an art piece with those heatsinks. EPU works well and is very convenient. Great at power savings with EPU 6 engine.

Cons: 1. You can't set Memory:FSB ratio from the BIOS. Board only works at 5:6 and 1:1 ratio. Getting 1:1 is extremely complicated and annoying.

2. When overclocked, the CPU's C1E support gets automatically turned off by the BIOS and it also disappears from the BIOS so you can't switch it back on. C1E is the CPU feature that automatically reduces your multiplier when you aren't doing something CPU intensive thereby easing the workload on the CPU and increasing power savings.

3. When overclocked outside of the EPU-6 engine, the CPU works CONTINUOUSLY at the overclocked speed. (see above) Say you overclock it to 3.8 GHz. The CPU will work at 3.8 GHz ALL THE TIME with this board regardless of load. Very bad both for the lifespan of the CPU as well as for your power bill. It's like having your car idle at 5000 RPM.

4. ASUS Express Gate is useless and I have turned it off.

Other Thoughts: If you'r trying to decide between ASUS and Gigabyte and you are an overclocker, go for Gigabyte Socket 775 boards. Gigabyte's DES (Dynamic Energy Saving) feature works better than ASUS', saves more power, is more overclockable, and what is more Gigabyte's BIOSes on Socket 775 MOBOS allow for direct setting of FSB:DRAM ratio and can also AUTO OVERCLOCK with C1E on, saving more power and helping your CPU work better for longer time. My QX 9650 auto overclocked with Gigabyte's EP35-DS4 mobo to 3.79 GHz with C1E on and NO HASSLE at all compared to the hassle I've had overclocking my CPU on this board with EPU-6 on so that I could also get power saving features.

Good board if you are NOT an overclocker. If you are an overclocker, steer well clear.

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  • jason s.
  • 9/20/2012 3:36:25 AM
  • Ownership: more than 1 year

5 out of 5 eggsReliable

Pros: reliable, simply great board.

Cons: bigger heatinks hard to fit between on board heatsinks. took some time to fit my big Zalmann with minor modification.

Other Thoughts: im not into gaming, but i am in the IT industry. i do a TON of downloading and wanted to build my own system so i can have constant downloading and operate quite fast while doing so. this board has been running like a champ for over 3 years now. i know they dont sell it anywhere anymore but thought id leave a review anyways.

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  • Chen-San L.
  • 3/16/2010 7:09:03 PM
  • Ownership: more than 1 year
  • Verified Owner

4 out of 5 eggsmemory problem

Pros: Please ignore my previous review below. My statement about missing battery was completely false, it was hidden underneath my video card and that's why I didn't see it.

Cons: Not sure if the board is bad or my RAM sticks are bad.

Other Thoughts: I'm still having problems with my system. Memory Diagnostic implied that one of my 2X 2GB Crucial Ballistix RAM was faulty. My computer's stability did improve after I pulled that particular RAM out. It lasted for about 2 days without issues(much better than before), and finally had a BSOD today. I ran memory diagnostic again and now it says the the other RAM is having hardware problem. So are both of my RAMs defected? or is it the memory controller on my motherboard? I really don't want to waste money on new RAMs only to find out it is the board that is defected.

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1 out of 5 eggsNot Happy

Pros: None

Cons: First, I bought this as an open box because I didn't want to wait for new one to come in. Warning for those who haven't bought open box before. You sign a waiver that SOME parts maybe missing. In this case all of them were missing . I got the board and that is it. It was obviously an RMA already as it had a sticker on RMA sticker on the box. The board worked for a day and quit. Newegg took it back but I had to pay shipping and also pay restocking fee for bad board... Lousy Newegg. Went back to old Gigabyte board I bought as bundle with CPU and running great (didn't buy from Newegg).

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  • Stephen C.
  • 3/6/2010 4:09:55 AM
  • Ownership: 1 month to 1 year
  • Verified Owner

1 out of 5 eggsASUS P5Q Deluxe Motherboard

Pros: Easy to install, very powerful board, many useful options, worked superbly -- for six weeks before failure.

Cons: ASUS customer service is atrocious. They replaced my new motherboard after it failed with another used board with bent pins on the 775 socket. Board would not even POST. They replaced that board with another defective board. That one at least POSTed but would not recognize the two CD/DVD drives. As a result I was unable to even load the OS. All they seem to do is run up my shipping bill by bicycling other people's defective returned boards. I have contact my attorney, and they haven't even acknowledged his letters. I would not use another ASUS product again. I now have an $800.00 computer that is unusable, and am looking for another motherboard from a manufacturer with better service.

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  • Randy W.
  • 2/24/2010 8:24:25 PM
  • Ownership: more than 1 year

1 out of 5 eggsThe end of an era

Pros: A lot of nice features for it's time, P45 chipset, and looks nice.

Cons: QC was poor, and there are a lot of quirks and bugs with this board to the point that it is useless.

Other Thoughts: Bought this board 1.5 years ago and have had troubles ever since. Started with Vista Ultimate 64, and would get BSODs, so removed some RAM and tried XP32; same BSODs. Eventually went to Win7-64 and got the exact same BSODs. Over time it appeared that USB devices could increase the frequency of BSODs. Tried replacing everything, but the only thing that ended the nightmare of slowness and constant crashing was to ultimately replace the motherboard. Now my q9550, finally, runs like a dream and win7 with 8gb RAM is screaming.

For the longest time Asus was no good, then they turned it around and became -the- mobo manufacturer, but it seems they're back to their old ways. Goodbye Asus, it was a fun and exciting adventure together while it lasted...

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  • Mathew H.
  • 2/21/2010 9:24:26 PM
  • Ownership: more than 1 year
  • Verified Owner

3 out of 5 eggsGood board, horrendous IDE ATA & SATA controllers

Pros: Asus Motherboard quality. Quality capacitors, Cool cooling design.

Cons: Biggest is the Marvell IDE ATA (older) and SATA (newer) connection controllers. (see below). Next biggest is too many software/hardware features that I'll never use, like the "six engine" power controlling software. (What the heck do I do with this?! I'm a video editor. I use the computer pretty much all the time so I need power all the time!) And another is the quick path to the internet from annoying but pretty startup menu. (You supposedly get to choose how long it's up for before booting Windows, but I think the choices are completely inaccurate).

Okay, here's the real complaint. I'll start here and continue into the Other thoughts section.

I'm having an intensely hard time with the older hard drive/CD drive connectors, "IDE ATA". I'm pretty sure the connector on just doesn't work period! Two drives on one cable, one drive on one cable, all the various bios settings, all the right master/slave drive jumper settings. No go. I read on forums lots people having problems with t

Other Thoughts: ... same connector, which is controlled by a "Marvell controller". I gave up and bought adapters for the two drives to go to two newer SATA ports. But the system is now doing more wacky things. I have in the system a boot SATA hard drive, a second SATA hard drive, the two older hard drives that have the older to newer SATA adapters (hard drives are in drawers that can be pulled out of the case), and an SATA dvd burner. When I leave the two drawer drives out, the system doesn't boot! When I put them in, it boots, but seems to lose my second SATA hard drive! I can't figure out logically what's happening!

I discovered and bought a PCI slot card that can take the older connection, plus two or so SATA ports. Waiting for that to come in. The adapters I have now I have to power the drives PLUS the adapters, which is really messy in the case. The card I am waiting for should finally be the solution. It seems the one area Asus was cheap about is biting me on the backside!

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  • Anonymous
  • 2/20/2010 11:07:17 AM
  • Ownership: 1 month to 1 year
  • Verified Owner

1 out of 5 eggsThis Board is a FLAKE

Pros: Has a lot of great features

Cons: This system board will not work with more than 1 DIMM populated when installing or running Windows 7 64-bit OS. It worked fine, albeit a little flaky, when I installed windows XP 32bit on it. The very next day I installed Windows 7 64bit and it was a no go for anything more than 1x2GB stick. I've tried every configuration known to man to try and get 2x2GB to work in it, even RMA'd the RAM. The real kicker is that after you take out the second dimm thats causing a problem, the system still cant boot windows, until you basically cross your fingers and reset to defaults, then repair windows 7, and then install "lost" drivers in the OS. I wish I never bought this thing! Now I have to wait and save money to get a new board that actually works as advertised.

Other Thoughts: Other thoughts? I've been using ASUS MoBo's for 10 years and they've never let me down. Seriously, I've been using a A7N8X-Deluxe for 6 years!! I thought I was getting the top of the line for the CPU I had picked out, but no, I got a hand grenade. Not even a real hand grenade, I got a hand grenade like your jerk buddy gives you, when he farts in his hand and then slaps you in the face with it. Thank you ASUS

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  • Robert R.
  • 2/9/2010 1:57:48 PM
  • Ownership: 1 month to 1 year
  • Verified Owner

3 out of 5 eggsBe careful with the memory you get for this board

Pros: This board installed great. Plugged in the two video cards and the 3 hard drives, and it booted right up.

Cons: Memory only runs at 800 mhz (but it's 1200 mhz G-Skill memory!)

Other Thoughts: After running this system for a few months, I noticed during the POST that the memory was only reporting at 800 mHz. I have G'Skill Ripjaws 1200 mHz strips with an Intel E8500 (3.16 gHz) CPU.

With Asus techs, we tried to tweak it to run at 1200 mHz. After several different variations of settings, we could not get the system to a stable boot unless all the settings are "auto."

I just received a note from the Asus engineers that this board DOES NOT support 1200 mHz memory natively. I re-read the specs on this board, and it sure makes it sound like it should. And I've read the reviews by others that get the board to overclock.

I'm very disappointed with the performance. I should have either opted for cheaper RAM or a better board. But, if you can't trust the specs .....

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4 out of 5 eggsOpen Boxes

Pros: Just an FYI, i bought an open box but what i really got was an OEM brown box. i didn't really mind since i know it's factory certified or refurb'd. Either way, it looked new. For one benjamin it was a heck of a deal.

Cons: NOTHING but the board, not even an I/O shield.

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Item#: N82E16813131297
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