3865u Intel

The Intel Celeron 3865U is a legacy mobile processor from the 7th Gen Kaby Lake architecture, launched in 2017. While officially discontinued by Intel, it remains a stable "zombie" component in B2B markets, particularly for specialized industrial hardware. IntelTechpowerup

Product Overview & Specifications

* Performance: A dual-core, dual-thread CPU clocked at 1.80 GHz with a low 15W TDP, optimized for energy efficiency rather than raw power. CpubenchmarkNotebookcheck

* Media Capabilities: Features Intel HD Graphics 610, capable of 4K video playback at 60Hz, making it a favorite for signage. Intel

* Software Gap: It is not officially supported for Windows 11, which has restricted its use in modern consumer laptops but not in industrial Linux-based systems. MicrosoftIntel

Market Trends & Insights

The market for 3865U has transitioned from general-purpose computing to high-reliability niche applications:

1. 1Network & Security Appliances: The most active segment today. It is widely used in fanless firewall routers and VPN servers (e.g., Protectli-style devices) because it supports Intel AES-NI for hardware encryption. AlibabaAlibaba
2. 2Industrial & Embedded Computing: Used in POS terminals and digital signage players where hardware stability and long-term lifecycle are more critical than the latest processing speeds. AlibabaStarryhope
3. 3Cost-Effective Legacy Inventory: Suppliers are currently offering these units at "factory prices" ($140–$290) to clear stock or serve maintenance contracts for existing infrastructure. AlibabaAlibaba

Strategic Sourcing Note

If you are developing a new product, the 3865U is generally considered outdated compared to newer Intel N100 (Alder Lake-N) or J6412 chips, which offer significantly better performance for the same power envelope. However, for replacement parts or low-cost firewall appliances, it remains a highly available and reliable option on B2B platforms like Alibaba. AlibabaAlibaba