Intel Core 2 Quad
Overview
Product sourcing insights & recommendations


I have completed a comprehensive market and product analysis of the Intel Core 2 Quad series. While these processors were groundbreaking at launch, they have reached a critical "hard-lock" phase in 2026.
Key Insights
* Technical Obsolescence: Modern operating systems like Windows 11 (24H2) now require instructions (POPCNT) that these CPUs lack, effectively ending their viability as daily productivity machines HowtogeekWikipedia.
* B2B Market Dynamics: There is still a robust secondary market for these chips, primarily in Shenzhen-based wholesale channels where they are sold for as little as $0.11 to $6.00 in bulk for legacy industrial maintenance and retro gaming AlibabaAlibaba.
* Niche Survival: The hardware's primary value now lies in retro-hobbyist builds and low-power headless servers for home labs, though high electricity costs make them a liability compared to modern budget alternatives HowtogeekMedium.
Detailed specifications, performance benchmarks in 2026, and a list of current wholesale suppliers are available in the report below.
Based on these trends, would you like to:
Refurbished Lga 775 Intel Core 2 Quad Processors
Products · 3 lists

Stock for Sale Q9650 Intel Cpu Core 2 Quad Processor 775 Socket Cpu
Shenzhen Senpu Technology Company Limited🇨🇳CN8 yrs
CORE 2 QUAD Q9400 Processor 2.66GHz 6MB L2 Cache FSB 1333 Desktop LGA 775 CPU
Shenzhen South Legend Technology Co., Ltd.🇨🇳CN12 yrs
Used for Core 2 Quad CPU Q9400 2.66GHz 6M L2 Cache 1333MHz FSB 64-bit Support Desktop LGA 775
Shenzhen Changliu Global Trading Co., Ltd.verified🇨🇳CN2 yrs
For SLB6B 6M Cache Intel Core 2 Quad CPU Processor Q9400 2.66 GHz 1333 MHz FSB for Desktop Socket 775
Shenzhen Levensun Technology Co., Limited🇨🇳CN2 yrs
For Intel Core 2 Quad 2.4GHz Q6600 Desktop Used Computer Processor Cpu
Zejizhi (Shenzhen) Technology Co., LTD.🇨🇳CN6 yrs
For Intel Core 2 Quad Q9550 2.8 GHz Quad-Core CPU Processor 12M 95W 1333 LGA 775
Shenzhen Shangfan Technology Co., Limited🇨🇳CN10 yrs
Q9500 LGA 775 Processor 4-Cores 2.83GHz 6MB for Intel's Desktop New or Refurbished in Stock
Shenzhen Yongtai Tongchuang Technology Co., Ltd.🇨🇳CN3 yrs
Q9500 LGA 775 Processor4 Core 2.83GHz 6MB Cache Corei7 Type Desktop Used or Refurbished Stock
Shenzhen Ali Xin Chao Technology Co., Ltd.🇨🇳CN1 yr
Q9500 LGA 775 Processor4 Core 2.83GHz 6MB Cache Corei7 Type Desktop Used or Refurbished Stock
Ancheng Intelligent Computing (Beijing) Technology Co., Ltd.verified🇨🇳CN2 yrs
Cpu Q9400 Core Lga 775 Q9400 Cpus
Shenzhen Ruierda Electronic Technology Co., Ltd.🇨🇳CN4 yrs
Used Intel Core Q9650 Processor(3.0GHz /12MB Cache /FSB 1333 )Desktop LGA 775 CPU
Shenzhen Qianbao Technology Co., Ltd.🇨🇳CN4 yrs
Core 2 Quad Q6700 2.66 GHz 1066 MHz 8 M Quad-Core Socket 775 Processor Desktop
Shenzhen Sitenghui Technology Co., Ltd.🇨🇳CN13 yrs
New Original CPU Processor (2.4Ghz/ 8M /1066GHz) q6600 Socket 775 Desktop CPU Core 2 Quad Q6600
Shenzhen Wei Jing Chuang Technology Co., Ltd.🇨🇳CN4 yrs
Q9400 for Core Quad-Core 2.66GHz Socket LGA 775 6MB Cache 95W TDP Desktop Processor
Shenzhen Feiyue Electronic Technology Co., Ltd.🇨🇳CN5 yrs
THJ New Original CPU Processor (2.4Ghz/ 8M /1066GHz) Q6600 Socket 775 Desktop CPU Core 2 Quad Q6600
Shenzhen Thj Technology Limited🇨🇳CN13 yrsDeep Dive · Full Report
Full Market Report
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Sources & References
24 sources cited · Verified industry data & reports

Intel Core 2
Wikipedia
The Core 2 processor line was introduced on July 27, 2006, comprising the Duo (dual-core) and Extreme (dual- or quad-core CPUs for enthusiasts), and in 2007, ...

Intel Microprocessor Quick Reference Guide - Product Family
Intel
Intel® Core™2 Quad Processor Q9550, 2.83 GHz, Jan-08, 45nm, 820 million, 64 GB, 12 MB, 1333 MT/s, Desktop PC. Intel® Core™2 Quad Processor Q9450, 2.66 GHz, Jan- ...

Core 2 Quad Processor Overview | PDF
Scribd
It introduced the Core 2 Quad in 2006 as a quad-core processor using two dual-core dies in a single package with 8MB of shared L2 cache. It provided benefits ...

Intel Core 2 Quad Q9400 Processor - TechwareLabs
techwarelabs.com
Specifications ; Frequency, 2.66 GHz ; Front Side Bus, 1333 MHz ; Cache, 6 MB ; Product Family, Intel® Core™2 Quad Processor ; Code Name, Yorkfield.

TIL the Intel Core 2 Quad series were just two ...
Reddit · r/pcmasterrace
Intel's first consumer quad core CPUs, the Core 2 Extreme products, were launched like a year before the AMD's first quad core, the Phenom 9700.

Intel Core 2 Quad Q6600 (95W) Specs
TechPowerUp
The Intel Core 2 Quad Q6600 (95W) was a desktop processor with 4 cores, launched in July 2007, at an MSRP of $266. It is part of the Core 2 Quad lineup, ...
