Intel Processor 771

Updated September 20, 2026

Overview

Product sourcing insights & recommendations

53 来源

The phrase 'Intel processor 771' primarily refers to the LGA 771 (Socket J) platform, a server-class interface introduced in 2006 for Intel Xeon processors Wikipedia. While officially discontinued around 2011, the platform has maintained a unique presence in the enthusiast market due to a popular hardware "mod" that allows these server chips to run on consumer desktop motherboards.

Technical & Historical Context

* Purpose: LGA 771 was designed for multi-socket server and workstation configurations, powering the 5000-series Xeons Positioniseverything.

* Key Architectures: It supported processors based on the Core and NetBurst microarchitectures, covering dual-core (Woodcrest/Wolfdale) and quad-core (Harpertown) models Wikipedia Cpu-Monkey.

* Peak Models: The most powerful chip for this socket is the Xeon X5492 (3.4 GHz, 150W TDP), while the X5470 (3.33 GHz) is often preferred by enthusiasts for its better thermal balance Wikipedia Serverfault.

The "771 to 775" Mod Trend

The most significant trend associated with this phrase is the retrofit modification. Enthusiasts use an adapter sticker to swap two pins and physically modify the motherboard socket to fit a 771 Xeon into a consumer LGA 775 motherboard Gardeningbeyond Ebay.

* Market Value: High-end consumer chips like the Core 2 Quad Q9650 remain relatively expensive ($50+), whereas their Xeon equivalent (E5450) is widely available for $10–$15 Wikipedia Ebay.

* Performance: A modded system paired with a late-gen P45 motherboard and DDR3 RAM can still handle light modern productivity and retro gaming (era of *Fallout 3* or *Skyrim*) Vogons Tomshardware.

Current Market Insights (2025–2026)

* Retro Gaming & Hobbyist Demand: There is a steady "long-tail" demand for these processors as hobbyists build "period-correct" gaming PCs or budget lab machines Positioniseverything.

* Supply Availability: While B2B platforms like Alibaba still list these processors, they are often priced high for specialized server replacements ($700+) Jamiebalfour. In contrast, secondary retail markets (eBay/Amazon) show a surplus of pulled server stock at low prices Ebay Ebay.

* Modding Accessories: Adapter stickers are still sold in bulk (e.g., lots of 20 to 100) for a few dollars, indicating a niche but persistent global interest in retrofitting legacy hardware Ebay Ebay.

The '771 to 775' mod remains a fascinating piece of hardware history. You can continue with:

Sources & References

53 sources cited · Verified industry data & reports

LGA771 Socket

Intel

The LGA771 socket will weigh around 35 g, which includes the mechanical components. dynamic and static load specifications for the LGA771 socket.

LGA 771

Wikipedia

LGA 771, also known as Socket J, is a CPU interface introduced by Intel in 2006. It is used in Intel Core microarchitecture and NetBurst microarchitecture ...

Product Specifications

Intel

Intel® product specifications, features and compatibility quick reference guide and code name decoder. Compare products including processors, desktop boards ...

CPU Specs Database

TechPowerUp

Intel Xeon E5462. Harpertown 4c 2.8 GHz. Socket 771 45 nm N/A. 80 W Nov 2007. Intel Xeon E5440. Harpertown 4c 2.833 GHz. Socket 771 45 nm N/A. 80 W Nov 2007.

CPU Performance by Socket Type - Socket LGA 771

CPU Benchmarks

Sockets below are broken down by platform and are arranged from oldest to newest. The year the socket was introduced is listed underneath the socket name.

Intel Processor and Chipset Names Explained

Kingston Technology

Each chipset is designed to work with specific processor sockets, ensuring compatibility between the CPU and the motherboard.