Skip to main content
eBay Home

Shop by category

Advanced
    • eBay Deals
    • Help & Contact
    • Current language EnglishEnglish
      • Français
    • Sell
    • Watch ListExpand Watch List
      Loading...
      Sign in to see your user information
    • My eBayExpand My eBay
      • Summary
      • Recently Viewed
      • Bids/Offers
      • Watch List
      • Purchase History
      • Selling
      • Saved Searches
      • Saved Sellers
      • My Garage
      • Messages
    • Expand Cart
      Loading...
      Something went wrong. View cart for details.
    {"delay":300}

    There seems to be a problem serving the request at this time

    breadcrumb

    • eBay
      • Electronics
      • Computers/Tablets & Networking
      • Computer Components & Parts
    • Electronics
    • Computers/Tablets & Networking
    • Computer Components & Parts
    • CPUs/Processors
    • Intel Core 2 Quad Q9400 LGA 775/Socket T Computer Processors Core

    Intel Core 2 Quad Q9400 LGA 775/Socket T Computer Processors Core

    Side Refine Panel

    Shop by Category

    • Computer Components & Parts
    • CPUs/Processors
    • Computer Cases & Accessories
    • Fans, Heat Sinks & Cooling
    • Graphics/Video Cards
    • Interface/Add-On Cards
    • Laptop Replacement Parts
    • Memory (RAM)
    • Motherboards
    • Motherboard & CPU Combos
    • Motherboard Components & Accs
    • Power Supplies
    • Power Supply Testers
    • Sound Cards (Internal)
    • Video Capture & TV Tuner Cards
    • Other Components & Parts
    • All

    • Auction

    • Buy It Now

    • Best Match
    • Time: ending soonest
    • Time: newly listed
    • Price + Shipping: lowest first
    • Price + Shipping: highest first
    • Distance: nearest first
    • Gallery View

    42 Results

      • Processor Model: Intel Core 2 Quad Q9400 filter applied
      • Number of Cores: 4 filter applied
      • Socket Type: LGA 775/Socket T filter applied
      Clear All
      • Intel Core 2 Quad Q9400 filter applied
      • 4 filter applied
      • LGA 775/Socket T filter applied
      • All Listings filter applied
    • Intel Core 2 Quad Core Q9400 2.66 GHz LGA775 CPU Processor

      Intel Core 2 Quad Core Q9400 2.66 GHz LGA775 CPU Processor

      C $8.22
      Free shipping
      151 sold
      SPONSORED
    • Intel Core 2 Quad Q6600 Q9400 QX6800 QX9650 Prozessor Quad Core LGA 775 CPU

      Intel Core 2 Quad Q6600 Q9400 QX6800 QX9650 Prozessor Quad Core LGA 775 CPU

      C $8.92
      C $10.91 shipping
      SPONSORED
    • Socket LGA775 Intel Core2 QUAD Q9400 Complete Operation (3) Quad 4 Core 4 Thre

      Socket LGA775 Intel Core2 QUAD Q9400 Complete Operation (3) Quad 4 Core 4 Thre

      C $55.46
      C $41.16 shipping
      or Best Offer
      SPONSORED
    • Intel Core 2 Quad Q9400 CPU 2.66GHz/6M/1333 SLB6B LGA775 Processor

      Intel Core 2 Quad Q9400 CPU 2.66GHz/6M/1333 SLB6B LGA775 Processor

      C $15.94
      Free shipping
      SPONSORED
    • Intel Core 2 Quad Core Q9400 2.66 GHz LGA775 CPU Processor

      Intel Core 2 Quad Core Q9400 2.66 GHz LGA775 CPU Processor

      C $9.59
      C $2.74 shipping
      or Best Offer
    • Intel Core 2 Quad Core Q9400 2.66GHz LGA775 95W CPU Processor

      Intel Core 2 Quad Core Q9400 2.66GHz LGA775 95W CPU Processor

      C $9.60
      Free shipping
      or Best Offer
    • Intel Core 2 Quad Core Q9400 slb6b 2.66 GHz LGA775 CPU Processor 4 Threads 95w

      Intel Core 2 Quad Core Q9400 slb6b 2.66 GHz LGA775 CPU Processor 4 Threads 95w

      C $10.84
      Free shipping
    • Intel Core 2 Quad Core Q9400 2.66 GHz LGA775 CPU Processor

      Intel Core 2 Quad Core Q9400 2.66 GHz LGA775 CPU Processor

      C $10.96
      Free shipping
      or Best Offer
      164 sold
    • Lot (50 units) of Intel Core 2 Quad CPU Q9400 2.66GHz/6M/1333 Socket 775

      Lot (50 units) of Intel Core 2 Quad CPU Q9400 2.66GHz/6M/1333 Socket 775

      C $274.37
      Free shipping
    • SLB6B Intel Core 2 Quad Q9400 2.66GHz 4-Core LGA775 Desktop CPU

      SLB6B Intel Core 2 Quad Q9400 2.66GHz 4-Core LGA775 Desktop CPU

      C $12.32
      C $14.40 shipping
      or Best Offer
    • Intel Core 2 Quad Q9400 CPU Processor 2.66Ghz/ 6M /1333GHz Socket Desktop CPU

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

      C $10.81
      Trending at C $12.26eBay determines this price through a machine-learned model of the product's sale prices within the last 90 days.
      Free shipping
    • Intel Core 2 Quad Core q9400 4-Core 2.66ghz/6m/1333 slb6b lga775 processor CPU

      Intel Core 2 Quad Core q9400 4-Core 2.66ghz/6m/1333 slb6b lga775 processor CPU

      C $13.58
      Free shipping
      Only 2 left
    • Intel Core 2 Quad Q9400 2.66GHz Socket 775 CPU SLB6B

      Intel Core 2 Quad Q9400 2.66GHz Socket 775 CPU SLB6B

      C $12.18
      C $19.88 shipping
    • Intel Core 2 Quad Core Q9400 SLB6B 2.66 GHz 2 MB 1333 MHz LGA775 CPU Processor

      Intel Core 2 Quad Core Q9400 SLB6B 2.66 GHz 2 MB 1333 MHz LGA775 CPU Processor

      (1)1 product ratings - Intel Core 2 Quad Core Q9400 SLB6B 2.66 GHz 2 MB 1333 MHz LGA775 CPU Processor
      C $16.98
      Free shipping
      SPONSORED
    • Intel Core 2 Quad Q9400 2.66Ghz 6M 1333GHz Socket 775 4 Threads CPU Processor

      Intel Core 2 Quad Q9400 2.66Ghz 6M 1333GHz Socket 775 4 Threads CPU Processor

      C $13.40
      C $5.49 shipping
      SPONSORED
    • Intel Core 2 Quad Q9400 CPU 2.66GHz/6M/1333 SLB6B LGA775 Processor

      Intel Core 2 Quad Q9400 CPU 2.66GHz/6M/1333 SLB6B LGA775 Processor

      C $12.46
      C $5.49 shipping
      SPONSORED
    • Intel Core 2 Quad Q9400 2.67GHz 4-Core LGA775 Desktop CPU Processor SLB6B 95W

      Intel Core 2 Quad Q9400 2.67GHz 4-Core LGA775 Desktop CPU Processor SLB6B 95W

      C $17.82
    • Intel Core 2 Quad Core Q9400 SLB6B 2.66 GHz 2 MB 1333 MHz LGA775 CPU Processor

      Intel Core 2 Quad Core Q9400 SLB6B 2.66 GHz 2 MB 1333 MHz LGA775 CPU Processor

      (1)1 product ratings - Intel Core 2 Quad Core Q9400 SLB6B 2.66 GHz 2 MB 1333 MHz LGA775 CPU Processor
      C $16.94
      Free shipping
    • Intel Core 2 Quad Q9400 SLB6B 2.66GHz Quad-Core LGA 775 CPU Processors

      Intel Core 2 Quad Q9400 SLB6B 2.66GHz Quad-Core LGA 775 CPU Processors

      (121)121 product ratings - Intel Core 2 Quad Q9400 SLB6B 2.66GHz Quad-Core LGA 775 CPU Processors
      C $10.96
      Free shipping
    • Lot of 15 Intel Core 2 Quad Core Q9400 slb6b 2.66 GHz LGA775 CPU Processor

      Lot of 15 Intel Core 2 Quad Core Q9400 slb6b 2.66 GHz LGA775 CPU Processor

      C $93.29
      or Best Offer
    • Intel Core 2 Quad Q9400 CPU Processor 2.66Ghz/ 6M /1333GHz Socket Desktop CPU

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

      C $10.96
      Free shipping
      or Best Offer
      55 sold
    • Intel Core 2 Quad Q9400 SLB6B 2.66GHz 4Cores 6MB L2 Cache 95W LGA775 CPU

      Intel Core 2 Quad Q9400 SLB6B 2.66GHz 4Cores 6MB L2 Cache 95W LGA775 CPU

      C $10.97
      Free shipping
      or Best Offer
    • Intel Core 2 Quad Q9400 CPU Processor

      Intel Core 2 Quad Q9400 CPU Processor

      C $23.99
      Free shipping
      or Best Offer
    • X2 Intel Core 2 Quad Q9400 2.66GHz Socket LGA775 Processor CPU (SLB6B)

      X2 Intel Core 2 Quad Q9400 2.66GHz Socket LGA775 Processor CPU (SLB6B)

      (1)1 product ratings - X2 Intel Core 2 Quad Q9400 2.66GHz Socket LGA775 Processor CPU (SLB6B)
      C $24.85
      C $21.34 shipping
    • Intel Core 2 Quad Core Q9400 2.66 GHz LGA775 CPU Processor

      Intel Core 2 Quad Core Q9400 2.66 GHz LGA775 CPU Processor

      C $10.97
      Free shipping
      or Best Offer
      30 sold
    • Intel Core 2 Quad Q9400 2.66Ghz 6M 1333GHz Socket 775 4 Threads CPU Processor

      Intel Core 2 Quad Q9400 2.66Ghz 6M 1333GHz Socket 775 4 Threads CPU Processor

      C $20.53
      Free shipping
    • Intel Core 2 Quad Q9400 2.666GHZ GHz 6M Cache 1333 MHz FSB  LGA775 CPU

      Intel Core 2 Quad Q9400 2.666GHZ GHz 6M Cache 1333 MHz FSB LGA775 CPU

      C $26.07
      or Best Offer
      Only 1 left!
    • Intel Core 2 Quad Q9400 CPU 2.66GHz/6M/1333 SLB6B LGA775 Processor

      Intel Core 2 Quad Q9400 CPU 2.66GHz/6M/1333 SLB6B LGA775 Processor

      C $19.49
      Free shipping
    • Intel Core 2 Quad Q9400 2.66 GHz Quad-Core CPU Processor SLB6B LGA 775

      Intel Core 2 Quad Q9400 2.66 GHz Quad-Core CPU Processor SLB6B LGA 775

      (121)121 product ratings - Intel Core 2 Quad Q9400 2.66 GHz Quad-Core CPU Processor SLB6B LGA 775
      C $18.00
      Free shipping
      SPONSORED
    • Intel Core 2 Quad Q9400 CPU 4-Core 2.66GHz/6M/1333 SLB6B LGA775 Processor

      Intel Core 2 Quad Q9400 CPU 4-Core 2.66GHz/6M/1333 SLB6B LGA775 Processor

      (121)121 product ratings - Intel Core 2 Quad Q9400 CPU 4-Core 2.66GHz/6M/1333 SLB6B LGA775 Processor
      C $16.86
      Free shipping
      SPONSORED
    • Free shipping Intel Core 2 Quad Q9400 LGA 775 (SLB6B) 2.66 GHz CPU Processor

      Free shipping Intel Core 2 Quad Q9400 LGA 775 (SLB6B) 2.66 GHz CPU Processor

      (121)121 product ratings - Free shipping Intel Core 2 Quad Q9400 LGA 775 (SLB6B) 2.66 GHz CPU Processor
      C $17.18
      Free shipping
      SPONSORED
    • Intel Core 2 Quad Q9400 2.66GHz 6M/1333 SLB6B Socket 775 CPU

      Intel Core 2 Quad Q9400 2.66GHz 6M/1333 SLB6B Socket 775 CPU

      C $15.09
      C $14.47 shipping
    • Intel Core 2 Q9400 SLB6B 2.66GHz 4Cores 6MB 95W LGA775 CPU

      Intel Core 2 Q9400 SLB6B 2.66GHz 4Cores 6MB 95W LGA775 CPU

      (121)121 product ratings - Intel Core 2 Q9400 SLB6B 2.66GHz 4Cores 6MB 95W LGA775 CPU
      C $10.97
      Trending at C $14.90eBay determines this price through a machine-learned model of the product's sale prices within the last 90 days.
      Free shipping
      or Best Offer
      14 sold
    • Lot of 6 Intel Core 2 Quad Q9400 2.66GHz Quad Core CPU Processor LGA 775 SLB6B

      Lot of 6 Intel Core 2 Quad Q9400 2.66GHz Quad Core CPU Processor LGA 775 SLB6B

      C $65.78
      C $20.56 shipping
    • Intel Core 2 Quad Q9400 SLB6B 2.66GHz Quad-Core LGA 775 CPU Core Processor

      Intel Core 2 Quad Q9400 SLB6B 2.66GHz Quad-Core LGA 775 CPU Core Processor

      C $24.95
      Free shipping
    • Intel Core 2 Quad Core Q9400 2.66 GHz LGA775 CPU Processor

      Intel Core 2 Quad Core Q9400 2.66 GHz LGA775 CPU Processor

      C $9.60
      C $6.86 shipping
    • Intel Core 2 Quad Q9400 SLB6B Quad Core Processor 2.66GHz,Socket LGA775, 95W CPU

      Intel Core 2 Quad Q9400 SLB6B Quad Core Processor 2.66GHz,Socket LGA775, 95W CPU

      (1)1 product ratings - Intel Core 2 Quad Q9400 SLB6B Quad Core Processor 2.66GHz,Socket LGA775, 95W CPU
      C $33.11
      Free shipping
      or Best Offer
    • 2 Intel Core 2 Quad Q9400 CPU 4-Core 2.66GHz/6M/1333 SLB6B LGA775 Processors

      2 Intel Core 2 Quad Q9400 CPU 4-Core 2.66GHz/6M/1333 SLB6B LGA775 Processors

      C $35.00
      C $27.00 shipping
      or Best Offer
    • *lot of 7* Intel Core 2 Quad Core Q9400 (SLB6B) LGA775 2.66 GHz CPU Processor

      *lot of 7* Intel Core 2 Quad Core Q9400 (SLB6B) LGA775 2.66 GHz CPU Processor

      C $102.82
      C $28.31 shipping
      or Best Offer
    • Intel Core2Quad Processor Q9400  2.66GHz/6M/1333/05A  LGA775

      Intel Core2Quad Processor Q9400 2.66GHz/6M/1333/05A LGA775

      C $20.58
      C $34.30 shipping
    • Intel Core 2 Quad Q9400 2.66GHz 6Mb 4 Core Socket 775 (LGA775) SLB6B

      Intel Core 2 Quad Q9400 2.66GHz 6Mb 4 Core Socket 775 (LGA775) SLB6B

      C $60.00
      C $52.13 shipping
    • Intel Core 2 Quad Q9400 Desktop CPU Processor- SLB6B

      Intel Core 2 Quad Q9400 Desktop CPU Processor- SLB6B

      C $34.28
      or Best Offer
    • Intel Core Processor Q9400@2.66GHz - SLB6B2 / Quad - 4 Core

      Intel Core Processor Q9400@2.66GHz - SLB6B2 / Quad - 4 Core

      C $20.58
      C $14.61 shipping
    • Intel Core 2 Quad Q9400 2.66GHz Quad-Core (BX80580Q9400) Processor

      Intel Core 2 Quad Q9400 2.66GHz Quad-Core (BX80580Q9400) Processor

      (121)121 product ratings - Intel Core 2 Quad Q9400 2.66GHz Quad-Core (BX80580Q9400) Processor
      C $13.72
      Trending at C $14.90eBay determines this price through a machine-learned model of the product's sale prices within the last 90 days.
      or Best Offer
    • Job Lot of x2 Intel Core 2 Quad Q9400 2.66GHz 6MB LGA775 CPU SLB6B (OFFERS OK)

      Job Lot of x2 Intel Core 2 Quad Q9400 2.66GHz 6MB LGA775 CPU SLB6B (OFFERS OK)

      (1)1 product ratings - Job Lot of x2 Intel Core 2 Quad Q9400 2.66GHz 6MB LGA775 CPU SLB6B (OFFERS OK)
      C $49.71
      C $22.10 shipping
      or Best Offer
    • Intel Core 2 Quad Q9400 SLB6B 2.66GHz Quad-Core LGA 775 CPU Core Processor

      Intel Core 2 Quad Q9400 SLB6B 2.66GHz Quad-Core LGA 775 CPU Core Processor

      C $17.77
      C $14.54 shipping
      or Best Offer
    • Intel Q9400 Quad Core (SLB6B) 2.66 GHz LGA775  Desktop Processor	USED

      Intel Q9400 Quad Core (SLB6B) 2.66 GHz LGA775 Desktop Processor USED

      C $34.30
    • Intel Core 2 Quad 2.66 GHz 6M 1333 05A Q9400 CPU Processor SLB6B TESTED

      Intel Core 2 Quad 2.66 GHz 6M 1333 05A Q9400 CPU Processor SLB6B TESTED

      (2)2 product ratings - Intel Core 2 Quad 2.66 GHz 6M 1333 05A Q9400 CPU Processor SLB6B TESTED
      C $32.91
      C $25.89 shipping

    Additional site navigation

    • About eBay
    • Announcements
    • Community
    • Security Centre
    • Seller centre
    • Policies
    • Help & contact
    • Site Map
    Copyright © 1995-2023 eBay Inc. All Rights Reserved. User Agreement, Privacy, Payments Terms of Use, Cookies and AdChoice