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ASUS P5N-D LGA 775 NVIDIA nForce 750i SLI ATX Intel Motherboard

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  • NVIDIA nForce 750i SLI
  • Core 2 Quad / Core 2 Extreme / Core 2 Duo
  • DDR2 800

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  • Overview
  • Specifications
  • Warranty & Returns
  • Reviews

Get great performance with Asus' P5N-D motherboard. Powered by NVIDIA's nForce 750i SLI chipset, it supports Intel LGA775 Core 2 processors include Core 2 Quad, Core 2 Extreme, Core 2 Duo and Pentium CPUs as well as next generation 45nm Multi-Core CPUs. It features superior overclocking performance with reduced power demands and native DDR2 800 support for up to 8GB or memory with dual channel providing increased performance. 100% all high-quality conductive polymer capacitors give longer life and higher energy efficiency by supplying power to vital components independently.

The onboard NVIDIA nForce 750 SLI is the foundation for many of the gaming PC's and the SLI technology lets you combine the power of dual SLI-enabled graphic cards. The bundled Q-Connector kit makes it easy to connect the case's front I/O panel to the motherboard. Eight channels of HD sound complement the video display for a true movie-going experience.

Four 3Gb/s SATA controllers offer multiple possible RAID configurations for extra security and high-speed performance. Eight USB 2.0 connectors plus a FireWire port give you excellent flexibility in attaching peripherals.

The Intel-powered Ultrabook is now here. Learn more in our Ultrabooks store page.

  • newegg NVIDIA nForce 750i SLI Chipset for Intel LGA 775 CPU Based on the NVIDIA nForce 750i SLI Chipset, the Asus P5N-D 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 NVIDIA SLI Technology NVIDIA SLI (Scalable Link Interface) Technology allows two graphics cards to run in parallel for twice the performance of a single card configuration. The nForce 750i SLI MCP automatically increases bandwidth when select SLI Certified memory modules are detected for unparalleled memory performance.
  • newegg ASUS Q-Fan 2 The Asus P5N-D with Q-Fan 2 technology intelligently adjusts both CPU fan and chassis fan speeds according to system loading for quiet, cool and efficient operation.
  • 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 C.P.R. (CPU Parameter Recall) With ASUS C.P.R technology, simply restart your system when an overclocking failure occurs. The BIOS will show the previous setting, so you needn’t open the case to clear CMOS data.
  • newegg S/PDIF Out Featuring coaxial and optical S/PDIF-out (SONY-PHILIPS Digital Interface) jack for digital audio output, the Asus P5N-D 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 P5N-D

Warranty, Returns, And Additional Information
  • Warranty
  • Limited Warranty period (parts): 3 years
  • Limited Warranty period (labor): 3 years
  • Read full details
  • Return Policies
    • Return for refund within: 30 days
    • Return for replacement within: 30 days
  • This item is covered by Newegg.com's Standard Return Policy.
Ownership: more than 1 year
Verified Owner
5/ 5
Update!

Pros: This is an update from my below review after spending the labor day weekend tweaking the bios and benching. I have officially made it to 3.7 Ghz stable with the Q9650 @ an impressive 1.184v load. Ram is at 940mhz for 7:8 ratio @ 1.87v. I wanted to give you guys a heads up on what this little bugger is cable of, even after half a decade of use. I re-ran it through Windows Experience Index just to compare to my old score, after giving my GTX 750 Ti SC a modest bump through PrecisionX;

Processor: 7.5
Memory: 7.5
Graphics: 7.8
Gaming graphics: 7.8
Primary hard disk: 5.9

Totally impressed considering my work computer that uses a i7 2600 scores just .1 above at 7.6 cpu 7.6 ram.
The PS4 runs 8 cores at 1.6 ghz = 12.8 ghz processing power. I am now running this puppy at 3.7ghz on 4 cores = 14.8 ghz of processing power.

Guys, I will be happily using this box until I absolutely have to upgrade. I am so impressed that something so old, can be pushed to compete even with current technology. CanYouRunIt rates my PC in the Top Teir!!! WOW!

Cons: ZERO

Other Thoughts: Buy this board if you want a cheap system! They can be had for a measly $50-$70 nowadays.

2 out of 2 people found this review helpful. Did you?
Ownership: more than 1 year
Verified Owner
5/ 5
P5N-D... 5 Years Later

Pros: I bought this motherboard back in early 2010 to upgrade from a Pentium 4 system. i7 series was too expensive at the time being new technology, so I opted to go with the last gen to save some cash. After reading the reviews, I purchased this board from here.

I installed it in my case, fit all the components into it and BAM, it posted on the first try. Since then I have upgraded the RAM (8GB DDR2 OC'd @ 933, 5-5-5-15), processor (Q9650 @ 3.5 GHZ), and GPU, GTX 750 ti SC, OC'd a bit extra through EVGA PrecisionX.

WEI score:

Processor: 7.4
Memory: 7.4
Aero Graphics: 7.7
Gaming graphics: 7.7
Primary hard disk: 5.9 (I plan on getting an SSD to get this up)

Overall I am extremely impressed with its performance and with my current hardware am able to play GPU and CPU intensive games such as GTA V with high - very high settings 40-50 fps with lows in the 30s. I still use this as my main box and plan on using it for a while until it dies or I really have the need to upgrade to a newer technology.

Cons: Not the best overclocker for 45nm Core 2 Quads.

After spending a few weeks tweaking memory timings, FSB, and voltage, I couldn't get my 45nm Q9650 ($70 shipped :D) over 3.5 ghz. At 1600fsb and beyond it just wouldn't post no matter the voltage I gave it. But I was able to run it prime and linpack stable at a sweet 1.15v idle and 1.12v under load @ 3.5 GHZ :) I can't really complain though as this board wasn't originally manufactured for 45nm tech, so the results I managed to achieve are still impressive, hence no reason to take off any stars.

Other Thoughts: Its a great board. If you are still using one of these, max it out like I did as these previous-gen components are extremely cheap now, and you can still expect pretty good performance.

When tweaking CPU voltage you'll have to go over your wanted result in the BIOS as there is tons of Vdrop on this board. For example if you set CPU voltage @ 1.4 in BIOS, expect like 1.32 in CPU-Z. There's a pencil mod floating around the net that reduces Vdop but I'm not motivated enough to do it since its easily worked around by testing and understanding the Vdrop.

One last thought. Be very careful overclocking a 45nm Quad Core on this board as it stresses the North bridge and makes it BURNING hot. My system kept crashing and this was baffling me for a while until I went in, touched the north bridge and almost burned my finger. I realized this was the issue and my remedy was to remove the heatsink, apply some arctic silver, reinstall, and then I gorilla-glued an old 80mm fan to the top of the heatsink since I lost the original North bridge fan that came with the board. Not a problem since.

1 out of 1 people found this review helpful. Did you?
Ownership: more than 1 year
Verified Owner
5/ 5

Pros: Nice board and probably was the easiest to set up. I built two PC's back in 2010, this one for the wife, and another ASUS board for me. This one went together and posted on the first try. Solid board especially if you aren't doing any overclocking. It works never had a problem. It runs well even with a cheap 650w PSU.

Cons: None since 2010 as of now!!

Other Thoughts: Intel C2D E8400 3.0Ghz
8 GB CORSAIR XMS2 8GB DDR2-800
WD Caviar Blue 500 GB Sata
Palit GeForce GTX 260 896MB (Core 216)
Lite-On Lightscribe DVD burner 22

I upgraded her old 9800 GTX+...still the build rocks and is a good media center for movies.

Did you find this review helpful?
Ownership: more than 1 year
Verified Owner
4/ 5
six approved!

Pros: Good board. It has plenty of room for what I am doing now. The overclocking so far has gone well on this MB. I havent pushed it too far because I am going slow with it, but so far it has worked perfectly fine

Cons: crossfire slots are quite close to each other.

1 out of 1 people found this review helpful. Did you?
Ownership: more than 1 year
5/ 5
p5n-d time to replace

Pros: Got this board since 2005 and it has never let me down. Its on is third processor and fourth graphic card always been overclock. But with all the new stuff its time for retirement.

Cons: none except its age.

2 out of 2 people found this review helpful. Did you?
Ownership: more than 1 year
5/ 5
Great Board

Pros: Had for 2 years now, Been over clocked with a e8400 @3.6ghz for a year a now at 4.2 for the past 6 months. Going to be getting a core 2 quad and another 560TI to make this set up last another year or so. I hope...

Cons: Has a horrible voltage drop which can be fixed with a pencil and some googling on "pencil mod p5n-d"

Other Thoughts: Put a fan on the north bridge chip!!!

1 out of 1 people found this review helpful. Did you?
Ownership: more than 1 year
Verified Owner
5/ 5
Four years and counting

Pros: I built my computer four years ago and this motherboard has been a tireless workhorse. It was easy to install and hasn't given me any problems since then. I did not attempt to overclock other than the usual sanding and silver.

Cons: None.

1 out of 1 people found this review helpful. Did you?
Ownership: more than 1 year
Verified Owner
5/ 5
Awesome motherboard

Pros: Fairly good overclocking options, 2-way SLI, compatible with all LGA775 CPUs.

Cons: None

Other Thoughts: Since I bought this, it has been used with 3 CPUs throughout that time. I have always overclocked them, and right now, I have a Q6600 in it, overclocked to 3.2ghz with 1600mhz FSB @ 1.34v air cooled. Very stable. I have never used SLI on this board, but it is supposed to run both PCI-E slots at x16. Pretty nice options for a mid-range motherboard. I really wish this was a UEFI board...

1 out of 1 people found this review helpful. Did you?
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