Intel Chipset 771 Socket

Updated September 20, 2026

Overview

Product sourcing insights & recommendations

54 来源

The Intel LGA 771 socket (also known as Socket J), introduced in 2006, primarily served the enterprise market for dual-processor (DP) servers and workstations. While largely replaced by newer generations (LGA 1366, LGA 2011), it remains a highly relevant topic in retro-computing and budget DIY communities due to the popular "771-to-775 mod" Wikipedia Delidded.

Product Insights & Specifications

LGA 771 was designed for high-density computing, utilizing the Intel 5000, 5100, and 5400 series chipsets Wikipedia Intel.

* Key CPU Series:

* Harpertown (5400 Series): The high-water mark for the socket, including quad-core chips like the Xeon E5450 and X5460 with 12MB L2 cache and up to 1600 MHz FSB Techpowerup Ebay.

* Woodcrest (5100 Series): Early dual-core 65nm chips focused on the Core microarchitecture transition Techpowerup.

* Technical Footprint: LGA 771 uses 771 spring-loaded pins. Physically, it is identical in size to the consumer LGA 775 (37.5mm x 37.5mm), but the pins are rotated by 90 degrees and two specific pins are functionally different, which is the basis for the modding trend Wikipedia Linustechtips.

The "771-to-775 Mod" Trend

The most significant modern market trend for LGA 771 is its adaptation for consumer motherboards. This allows users to run powerful server-grade Xeons on inexpensive LGA 775 desktop boards (e.g., P45, P35 chipsets) Youtube Vogons.

* The Mod Process: Requires a thin adapter sticker to swap two pins and either notching the CPU or removing plastic tabs from the motherboard socket Level1Techs Ebay.

* Current Appeal: Enthusiasts use this mod to build "period-correct" gaming PCs that rival Core 2 Quad Q9650 performance at a fraction of the cost Linustechtips Aliexpress.

Market Trends & Pricing (2026 Context)

The market for LGA 771 has shifted from enterprise utility to a niche hobbyist secondary market.

Component	Estimated Price (Secondary Market)	Key Platforms
Xeon E5450 CPU	$10 – $25 USD	AliExpress, eBay Ebay Aliexpress
LGA 771 Motherboards	$50 – $170 USD (Refurbished)	eBay, Specialist server retailers Ebay Newtownspares
Adapter Stickers	$1 – $5 USD (Multipack)	AliExpress, Amazon Amazon Ebay

Market Outlook:

* Supply: While original server motherboards are becoming rarer and more expensive to ship due to weight, the CPUs themselves (Xeon E5450, X5460) remain in high surplus Ebay.

* Demand: Sustained by the "Sleeper PC" trend and budget users in emerging markets who leverage legacy hardware for basic productivity or light gaming Aliexpress Aliexpress.

* Constraint: X38 and X48 chipsets, often the most desirable for LGA 775, are ironically mostly incompatible with the Xeon mod due to hardware-level microcode restrictions Overclock.

Here is the market insight for Intel Chipset 771 socket. You can continue with:

Sources & References

54 sources cited · Verified industry data & reports

LGA771 Socket

Intel

The assembled component may consist of a cooling solution (heatsink, fan, clips, and retention mechanism), and processor package.

Product Specifications

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LGA 771

Wikipedia

LGA 771, also known as Socket J, is a CPU interface introduced by Intel in 2006. Processor dimensions 37.5 × 37.5 mm Processors. Socket 604 LGA 1366 Memory ...

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Intel Chipset 771 Socket

Overview

Product Insights & Specifications

The "771-to-775 Mod" Trend

Market Trends & Pricing (2026 Context)

Lga 771 Motherboard Intel 5000 5400 Chipset

Related Searches

Sources & References