Intel Extreme i7-3940XM 3.00-3.90GHz Quad Core 8MB Socket G2 SR0US CPU Processor

XH KTS
(1485)
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US $99.99
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Condition:
Open box
“Good woking! Pulled from working computers and tested for functionality”
More than 10 available2 sold

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Located in: CN, China
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Delivery:
Estimated between Tue, Oct 21 and Fri, Oct 31 to 94104
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eBay item number:156170322717
Last updated on Aug 27, 2025 22:38:12 PDTView all revisionsView all revisions

Item specifics

Condition
Open box
An item in excellent, new condition with no wear. The item may be missing the original packaging or protective wrapping, or may be in the original packaging but not sealed. The item includes original accessories. The item may be a factory second. See the seller's listing for full details and description. See all condition definitionsopens in a new window or tab
Seller Notes
“Good woking! Pulled from working computers and tested for functionality”
Brand
Intel
L2 Cache
4 x 256 KB
Socket Type
PGA 988
L3 Cache
8 MB
Clock Speed
3 GHz
Processor Model
Intel Core I7-3940XM
UPC
Does not apply
MPN
SR0US
Bus Speed
5 GT/s DMI
Processor Type
Core i7 Extreme 3rd Gen.
Number of Cores
4
Category

Item description from the seller

About this seller

XH KTS

99.9% positive feedback•9.2K items sold

Joined Sep 2023
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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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Seller feedback (1,538)

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  • *****- Feedback left by buyer.
    Past month
    Verified purchase
    Sent stuff as described, good package. And fast, arrived like in 6 days?
  • k***m (229)- Feedback left by buyer.
    Past 6 months
    Verified purchase
    This high quality mouse came packaged with care in perfect new condition for a great price. This seller is absolutely amazing and was able to work through logistical challenges to get this product to me. They have excellent customer service and communication. A+++++ seller! Would absolutely buy from again! Thank you 🙏🏼
    Razer x Pokémon Gengar Viper V3 Pro Ultra-lightweight Wireless Gaming Mouse Set (#156399282691)
  • *****- Feedback left by buyer.
    Past 6 months
    Verified purchase
    Spedizione veloce ed imballo accurato. Prodotto conforme a quanto descritto ed a prezzo onesto. Posso solo che ringraziare il venditore, in futuro sarà un fornitore di fiducia
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Product ratings and reviews

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5.0
14 product ratings
  • 14 users rated this 5 out of 5 stars
  • 0 users rated this 4 out of 5 stars
  • 0 users rated this 3 out of 5 stars
  • 0 users rated this 2 out of 5 stars
  • 0 users rated this 1 out of 5 stars

Performs well

Reliable

Easy to install

Most relevant reviews

See all 7 reviews
  • by romanov_i
    May 22, 2016

    Latitude E5430

    Hi, This CPU was not on spec for E5430 so I risk to buy it but everything worked perfect. I did a lot of research but when high end laptop workstation examples like Precision was known to be okay there was no evidence on cheaper low end Latitudes like mine E5430 - Dell tech support refused to answer regardless of number of calls and emails went there.... mine has i3 and 2Gb Ram from factory few years ago. Once a while it got a 8Gb and i5 CPU just had a chance to swap hardware w other laptop.... This one was my last upgrade for the life of this machine. till I got this i7 CPU. Stock bios was left as is in version A6. There is more powerful power supply in use, just in case if anyone uses smaller slim stock one - I don't know it it will affect anything, few I have is from 90W to ...

    Verified purchase: YesCondition: Pre-OwnedSold by: abc3ks

  • by exce72hx5
    Mar 23, 2016

    Works fine in Lenovo T530!

    I was not fully certain it could be practically used in Lenovo T530, and initially it was not recognized. After applying the last T530 Lenovo firmware it started fine. I could no longer get the T530 to charge the battery using the small 65W Lenovo Power adapter, but the sensible 90W worked fine. (We don't need to use the gigantic 135 or 170W adapters.) Therefore it is a very sensible upgrade provided you find the CPU at reasonable cost. If you have an QC i7 above 2.3GHz already it may not provide the best value for money. But for a DC i5 it is well worth it. With the Nvidia 5400 option is also recognized in Lightroom for GPU acceleration.

    Verified purchase: YesCondition: Pre-OwnedSold by: drubearcollector

  • by falshehri93
    Jan 26, 2016

    Excellent upgrade! best mobile Ivy Bridge CPU.

    I installed this processor in my Alienware M17x R4 Oc'd @ 4.1 GHz on all cores. The processor runs hotter than the original 3630QM so a better thermal paste is a must. I also upgraded the stock CPU fan to the M14 R2 fan , the jump from 2.0CFM to 10.4 CFM made a huge cooling improvement. The previous 3630QM was not fast enough for the 980M in CPU-heavy games. The OS seemed snappier and a little bit faster. I noticed huge gains on Microsoft FSX and 3DMark fire strike physics score. This Processor might be 3 years old, but it will blow away all the new BGA trash (some Haswell and Skylake CPUs).

    Verified purchase: YesCondition: Pre-OwnedSold by: drubearcollector

  • by bonbaaman
    Jan 05, 2016

    Best processor my notebook can use

    The i7-3940XM isn't the best notebook processor around any more, but it's the best one my notebook can use. Stepping up from a 3.2 GHz processor, this one boosted performance by 20-30 percent (depending on the task). Things that made my notebook chug before now don't push it nearly as hard, which I love. If you're rocking a lesser processor and can use this one, I recommend it. And don't hate; appreciate.

    Verified purchase: YesCondition: Pre-OwnedSold by: abc3ks

  • by naightmehr
    Mar 21, 2017

    Alienware M17X R4 upgrade

    I bought this CPU to replace my i7-3610qm for my alienware M17X R4, installation was pretty easy. Once installed, everything worked, I could already notice a difference in startup times, it's slightly faster now. The cpu has also been performing wonderful in cpu-heavy games or applications. Overall great upgrade.

    Verified purchase: YesCondition: Pre-OwnedSold by: fortwayne2010

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