Cpu Q9400
Overview
Product sourcing insights & recommendations
The Intel Core 2 Quad Q9400 has transitioned into a specialized legacy component as of 2026. While technically obsolete for modern mainstream use, it remains popular in niche markets such as retro gaming, lightweight home servers (e.g., Pi-hole, NAS), and budget-constrained hardware revival projects.
Key Market Insights
- Price Trends: Prices generally range from $30–$50 USD on global platforms, though local used markets in some regions see prices as low as $10–$25 USD. Alibaba
- Usability Constraints: The lack of modern instruction sets like AVX and AES-NI makes it incompatible with Windows 11 and heavy modern web browsing, though it remains viable for Windows 10 LTSC or lightweight Linux distros. AlibabaReddit
- Supply Chain: Bulk sourcing is still possible through specialized used-hardware traders in China, primarily supporting the industrial maintenance and low-cost refurbishment sectors.
Detailed technical specifications and full market analysis can be found in the report below.
Based on these market trends, you can continue with:
Intel Core 2 Quad Q9400 Cpu Processor
Products · Top picks & verified manufacturers
For Intel Core 2 Quad Q9400 2.6 GHz Quad-Core Quad-Thread CPU Processor 6M 95W LGA 775 Q9400
Shenzhen Shangfan Technology Co., Limited🇨🇳CN10 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
Q9400 2 Quad Cores CPU 2.66GHz/6MB/1333Mhz 95W LGA775 Processor Desktop
Shenzhen Sitenghui Technology Co., Ltd.🇨🇳CN13 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
Q9400 6MB Cache Quad Core Lga775 External Cpu Processor From China
Global Hightech Import & Export Company Limitedverified🇨🇳CN17 yrs
THJ New Original CPU Processor (2.4Ghz/ 8M /1066GHz) Q6600 Socket 775 Desktop CPU Core 2 Quad Q6600
Shenzhen Thj Technology Limited🇨🇳CN13 yrs
For Intel Core 2 Quad 2.4GHz Q6600 Desktop Used Computer Processor Cpu
Zejizhi (Shenzhen) Technology Co., LTD.🇨🇳CN6 yrs
New Product Q9650 Cpu Core 2 Quad Processor 775 Socket Cpu
SOUTH LEGEND TECHNOLOGY COMPANY LIMITEDverified🇭🇰HK2 yrs
Stock for Sale Q9650 Intel Cpu Core 2 Quad Processor 775 Socket Cpu
Shenzhen Senpu Technology Company Limited🇨🇳CN8 yrs
Pentium G4560 3.5GHz CPU Quad-Core Processor
Beijing Guangtian Runze Technology Co., Ltd.verified🇨🇳CN7 yrs
New for Core I9 12900K/i7 12700K/i5 12600K/i3 12100 Desktop CPU Processor Quad-Core 2.2GHz
Shenzhen Zhuohangsheng Technology Electronics Co., Ltd.verified🇨🇳CN2 yrs
Used for Quad-Core I3 9100F 8100 I5 8400 8500 9400F 9500T 9600KF 9700K CPU LGA 1151 3.0GHz 64-bit 8MB L3 Cache Desktop
Shenzhen Dehan Century Technology Co., Ltd.🇨🇳CN1 yr
100% test Cpu I5 4430 4440 4460 4570 4590 4670 4690 I7 4770 4790 I5 Desktop Computer Cpu Processor Lga 1150 Quad-core
Shenzhen Wenlink Technology Co., Ltd.🇨🇳CN4 yrs
DYD Core I9 Gen 10th Quad-Core 2.2GHz 65W TDP CPU LGA1151 for Automotive Applications
Shenzhen Dyd Technology Co., Ltd.🇨🇳CN5 yrs
For G4560 2.8 GHz Quad-Core CPU Processor 53W LGA 1151
Shenzhen Jiutian Shenmatradingco., Ltd.🇨🇳CN6 yrs
Intel CPUs I5-4690 SR1QJ Original Core Chips 4430 4440 4460 4570 4690 4670K 4690K 1150 Socket Desktop Cpu
Century Huaxiang (shenzhen) Trading Co., Ltd.🇨🇳CN5 yrs
High Quality 9th Gen Core I9-9900K CPU I9 Processor LGA1151
Beijing Huayue Beishang Technology Co., Ltd.verified🇨🇳CN4 yrs
PC Desktop Computer Pentium Processor G4900 3.1G CPU LGA 1151 Speed 2MB 512KB
Shenzhen Hailian Huhui Technology Co., Ltd.🇨🇳CN5 yrs
Wholesale Competitive Price Desktop I3-9100F Quad-Core 3.6GHz-4.2GHz Processor CPU Socket LGA1151
Shenzhen Itzr Technology Co., Ltd.verified🇨🇳CN22 yrsFor G4560 2.8 GHz Quad-Core CPU Processor 53W LGA 1151
Intel CPUs I5-4690 SR1QJ Original Core Chips 4430 4440 4460 4570 4690 4670K 4690K 1150 Socket Desktop Cpu
High Quality 9th Gen Core I9-9900K CPU I9 Processor LGA1151
PC Desktop Computer Pentium Processor G4900 3.1G CPU LGA 1151 Speed 2MB 512KB
Wholesale Competitive Price Desktop I3-9100F Quad-Core 3.6GHz-4.2GHz Processor CPU Socket LGA1151
Deep Dive · Full Report
Full Market Report
1 document · Live-fetched from source
Related Searches
Explore more sourcing topics & related categories
Sources & References
19 sources cited · Verified industry data & reports
Intel Core 2 Quad Q9400 Specs - CPU Database
TechPowerUp
Core 2 Quad Q9400 has 6 MB of L2 cache and operates at 2.666 GHz. Intel is making the Core 2 Quad Q9400 on a 45 nm production node using 456 million transistors ...
Intel Core2 Quad Q9400 @ 2.66GHz
CPU Benchmarks
Performance and price comparison graphs for Intel Core2 Quad Q9400 @ 2.66GHz. ... As of 24th of June 2026 - Higher results represent better performance ...
Is the Core 2 Quad Q9400 still good?
Quora
Is the Core 2 Quad Q9400 still good?
Intel Core 2 Quad Q9400 Processor Review
Legit Reviews
At $229.99 the Intel Core 2 Quad Q9400 has four processing cores running at 2.66GHz, 6MB of shared L2 cache and a 1333MHz Front Side Bus (FSB).
Intel Core 2 Quad Q9400 CPU Processor 2.66Ghz/ 6M / ...
eBay
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.
Intel Core2 Quad Q9400 - CPU UserBenchmarks
CPU UserBenchmarks
Processor Rankings (Price vs Performance) June 2026 CPU Rankings. We calculate effective speed which measures real world performance for typical users.