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Intel Core 2 Quad Q9400 Desktop CPU Processor- SLB6B

Buffalo Computer Parts
(2649)
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US $24.99
ApproximatelyC $34.64
or Best Offer
Condition:
Used
“Tested and working. Includes Processor Only- No Additional Cables, Accessories, or Software ”... Read moreabout condition
Breathe easy. Returns accepted.
Shipping:
US $15.80 (approx C $21.90) UPS Ground.
Located in: Buffalo, New York, United States
Delivery:
Estimated between Fri, Aug 29 and Thu, Sep 4 to 94104
Delivery time is estimated using our proprietary method which is based on the buyer's proximity to the item location, the shipping service selected, the seller's shipping history, and other factors. 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:324805378076
Last updated on Aug 19, 2025 19:11:27 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 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
“Tested and working. Includes Processor Only- No Additional Cables, Accessories, or Software ...
Brand
Intel
Clock Speed
2.67 GHz
Number of Cores
4
Processor Model
2.67
Socket Type
LGA 775/Socket T
MPN
SLB6B

Item description from the seller

About this seller

Buffalo Computer Parts

99.6% positive feedback•16K items sold

Joined Jan 2012
At Buffalo Computer Parts, we believe in providing only the highest quality products for our customers. Each product goes through a rigorous, multi-point functionality test to ensure that you get the ...
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Detailed seller ratings

Average for the last 12 months
Accurate description
4.9
Reasonable shipping cost
4.5
Shipping speed
5.0
Communication
5.0

Popular categories from this store

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Apple DesktopsApple Keyboards/MiceApple Misc. PartsAudio EquipmentBarcode ScannersBattery Back up / UPSBusiness Phone Systems/PartsBusiness PhonesCable Management

Seller feedback (2,215)

All ratings
Positive
Neutral
Negative
  • 9***7 (3)- Feedback left by buyer.
    Past month
    Verified purchase
    Item came very well packaged and was just as described. seller was prompt and very easy to work with was in perfect working condition great value.
    B&R BRXTGR31 Operator Interface Panel (#326486199667)
  • r***b (32)- Feedback left by buyer.
    Past 6 months
    Verified purchase
    Item shipped to me was packaged well, and was as expected (and in some cases) better than expected! Shipping updates were very good. Server is an excellent value and works just as described for sale. Thank you so much!!! Seller A++++++++
    Dell PowerEdge R430 Server, 2 E5-2640 V3 CPU, 256GB RAM, No HDD/OS (#326496647636)
  • w***o (35)- Feedback left by buyer.
    Past 6 months
    Verified purchase
    The cool is as seller described it to be it to be did not cost to much packaging was also good had no problems with shipping neither.
    Enermax Desktop Cooling Fan & Heatsink- ETS-T40-TB (#323814989436)
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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