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Intel Core 2 Quad Q9400 CPU Processor 2.66Ghz/ 6M /1333GHz Socket Desktop CPU - Picture 1 of 1
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Intel Core 2 Quad Q9400 CPU Processor 2.66Ghz/ 6M /1333GHz Socket Desktop CPU

hbhb-256
(534)
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US $5.55
ApproximatelyC $7.65
Condition:
Used
93 available15 sold
Breathe easy. Returns accepted.
People are checking this out. 6 have added this to their watchlist.
Shipping:
US $10.00 (approx C $13.78) eBay SpeedPAK Standard.
Located in: guangdong, China
This item includes applicable import fees—you won’t pay anything extra after checkout.
Delivery:
Estimated between Fri, Sep 12 and Thu, Sep 25 to 94104
Estimated delivery dates - opens in a new window or tab include seller's handling time, origin ZIP Code, destination ZIP Code and time of acceptance and will depend on shipping service selected and receipt of cleared paymentcleared payment - opens in a new window or tab. Delivery times may vary, especially during peak periods.
Returns:
30 days return. Buyer pays for return shipping. If you use an eBay shipping label, it will be deducted from your refund amount.
Payments:
     Diners Club

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eBay item number:145696671626
Last updated on Aug 28, 2025 03:36:55 EDTView 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 ...
Brand
Intel
L2 Cache
6 MB
Socket Type
LGA 775/Socket T
L3 Cache
6 MB
Clock Speed
2.66 GHz
Processor Model
Intel Core 2 Quad Q9400
MPN
SLB6B
Bus Speed
1333 MHz
Processor Type
Core 2 Quad
Number of Cores
4
UPC
Does not apply

Item description from the seller

About this seller

hbhb-256

98.8% positive feedback•5.0K items sold

Joined May 2023
Usually responds within 24 hours
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Detailed seller ratings

Average for the last 12 months
Accurate description
4.9
Reasonable shipping cost
5.0
Shipping speed
5.0
Communication
5.0

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Computers/Tablets & Networking

Seller feedback (566)

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    • p***t (7)- Feedback left by buyer.
      Past year
      Verified purchase
      goed verpakt ,werkt perfect!
    See all feedback

    Product ratings and reviews

    Learn more
    4.8
    128 product ratings
    • 113 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 85 reviews
    • by idiotstick02
      Nov 22, 2016Top favourable 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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