INTEL Core 2 Quad Q9400 2.66GHz 6MB 1333MHz FSB LGA775 SLB6B Processor CPU

TechyParts Store
(35913)
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US $14.95
Condition:
Used
“Used - tested. Guaranteed working.”

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Located in: Burnsville, Minnesota, United States
Delivery:
Estimated between Wed, Dec 10 and Mon, Dec 15 to 94104
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Returns:
30 days returns. Buyer pays for return shipping. If you use an eBay shipping label, it will be deducted from your refund amount.
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eBay item number:305751621431
Last updated on Dec 01, 2025 16:05:55 PSTView all revisionsView all revisions

Item specifics

Condition
Used
An item that has been used previously. The item may have some signs of cosmetic wear, but is fully operational and functions as intended. This item may be a floor model or store return that has been used. See the seller’s listing for full details and description of any imperfections. See all condition definitionsopens in a new window or tab
Seller Notes
“Used - tested. Guaranteed working.”
MPN
SLB6B
Brand
INTEL
CPU TYPE
Core 2 Quad Q9400
SPEED
2.66 GHZ
SECONDARY PART NUMBER
AT80580PJ0676M
MODEL SERIES
Intel Core 2 Quad
CPU SOCKET TYPE
SOCKET 775 (LGA775)
Number of Cores
4
L3 Cache
6MB
MANUFACTURING TECH
45 nm
THERMAL DESIGN POWER
95W
HEATSINK INCLUDED
No
PROCESSOR CORE
Yorkfiled
CPU BUS SPEED
1333MHz
Category

Item description from the seller

About this seller

TechyParts Store

99.9% positive feedback•223K items sold

Joined Jul 2003
We are an established eBay seller with over 30,000 positive feedbacks. We buy and sell networking equipment, servers, workstations, laptops, and parts thereof. Storage solutions, power and testing ...
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Detailed seller ratings

Average for the last 12 months
Accurate description
5.0
Reasonable shipping cost
5.0
Shipping speed
5.0
Communication
5.0

Popular categories from this store

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Desktop ComponentsDisk ControllersElectronicsHard DrivesMemoryNetwork EquipmentPower Backup and ManagementPrintersProcessors

Seller feedback (35,458)

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  • *****- Feedback left by buyer.
    Past 6 months
    Verified purchase
    This memory worked great in my dell Precision T3500 and all 6 sticks were exactly as described. The items were shipped later the same day that I placed the order and were very well packaged with static bags and several layers of bubble wrap. I would definitely buy from this seller again and had a great experience overall!
  • *****- Feedback left by buyer.
    Past month
    Verified purchase
    The server arrived as described, but what really stands out is the packaging. The server was shipped inside a cocoon of custom filled foam bags. It arrived with zero damage from the shipping company. Bravo Zulu!
  • *****- Feedback left by buyer.
    Past 6 months
    Verified purchase
    High quality seller! Such a fantastic experience! Extremely responsive & communicative, fast turnaround for shipping, and stands by their product. The quality and care surrounding packing the card for shipping was unbelievable. Even UPS wouldn’t have been able to break it. The older memory dim that came with the card had some issues and the team shipped out a replacement same day that works perfectly. 100% would buy from again.
See all feedback

Product ratings and reviews

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4.8
131 product ratings
  • 116 users rated this 5 out of 5 stars
  • 11 users rated this 4 out of 5 stars
  • 2 users rated this 3 out of 5 stars
  • 0 users rated this 2 out of 5 stars
  • 2 users rated this 1 out of 5 stars

Performs well

Reliable

Easy to install

Most relevant reviews

See all 86 reviews
  • by idiotstick02
    Nov 22, 2016Top favorable review

    Core 2 Duo FTW - Fantastic Value - Runs Fast & Cool

    Had some issues getting an old system running but i'm pretty sure it was motherboard related. Chip posted first attempt. I was so nervous about purchasing this cpu used, not knowing how hard it was pushed but after the past few days i'm extremely impressed. Chip arrived pretty quickly for free shipping, arrived in a small plastic tray inside a small padded envelope that seemed to keep it protected enough, but it's not overkill by any means. But I would probably ship the exact same way. I'm extremely satisfied in the performance. My cpu runs cool, low 30's idling 47-53ish under 90-100% for an hour with a decent, beefed up stock cooler that sounds like a jet. This chip is just begging to be overclocked BUT honestly I've thrown some big games at it along with a new GTX 1050 ti (which I ...

    Verified purchase: YesCondition: Pre-OwnedSold by: red-door-tech

  • by calli-bradl
    Nov 04, 2016Top critical review

    Wrong cpu

    Well I was happy to get a core 2 quad q9400 but I got a wrong CPU instead

    Verified purchase: YesCondition: Pre-OwnedSold by: xtrapcparts

  • by rgnage
    Nov 13, 2017

    Great CPU to upgrade an older computer.

    This CPU is great to upgrade an older computer and it performs well. I upgraded from Core2Duo E7500 to the Core2Quad Q9400 and the performance went up a lot. I put it in a Dell Optiplex 780 with a new heatsink to make it faster for a user. Just make sure you clean it and use new thermal paste and it should work well for you for basic computing or office use. I am not a gamer, but I would not expect this to work well on modern games.

    Verified purchase: YesCondition: Pre-OwnedSold by: itsellers12

  • by jarloipp_0
    Jun 08, 2016

    Excellent CPU for overclocking

    I managed to overclock this CPU to (stable) 3.3GHz, which is around same as intel i5 2500 base clock. This was done using stock cooler and around 1.25-1.3V. Can't remember of the top of my head accurate values. Getting non-stock cooler would probably grant even better performance. This will also work well as a mid-high range gaming PC CPU if paired with graphics card like r9 270-280 or equivalent nvidia card.

    Verified purchase: YesCondition: Pre-OwnedSold by: jkjameskim77

  • by macer.us.vmqesmhv7
    Jan 17, 2018

    Great upgrade for an old pc

    I had a 2 core intel cpu in a dell desktop, and came across articles where it said I could replace that with this 4 core cpu. It has worked perfectly and gave the pc some extra speed and prolonged it’s life for like $10. That’s a good deal! Shipping was very quick and well packed

    Verified purchase: YesCondition: Pre-OwnedSold by: maven_technologies

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