Intel Xeon E5420 2.5GHz Quad-Core LGA 775 CPU Processor
Intel Xeon E5420 2.5GHz Quad-Core LGA 775 CPU Processor
Intel Xeon E5420 Quad-Core Processor – LGA 775 Compatible
Upgrade your LGA 775 desktop build with the Intel Xeon E5420 — a proven quad-core workhorse running at 2.5GHz. Whether you're boosting a budget gaming rig or reviving a legacy workstation, this CPU delivers solid multi-threaded performance on a wide range of common Intel chipset motherboards.
⚠️ Condition Notice: This is a used processor with possible slight surface scratches. Each unit is double-tested before shipping to ensure full functionality. Photos and serial numbers are for reference only — actual item may vary slightly. Two stepping options are available: SLANV and SLBBL. Please leave a note at checkout if you have a preference.
Key Specifications
- Brand: Intel
- Model: Xeon E5420
- Clock Speed: 2.5GHz
- Cores / Threads: Quad-Core / 4 Threads
- Socket Type: LGA 775
- Chip Process: 45 Nanometers
- TDP: 80W
- Memory Support: DDR3, Dual-Channel (2 channels)
- PCIe Version: PCIe 2.0
- Integrated GPU: No
- Cooling System Included: No (cooler sold separately)
- Application: Desktop
Motherboard Compatibility
This processor is compatible with LGA 775 motherboards using the following Intel chipsets:
- ✅ G31 / G41 / P31 / P35 / P41 / P43 / P45
- ❌ NOT compatible with X38, X48, Q35, or Q45 chipset motherboards
Always verify your motherboard's BIOS version and CPU support list before purchasing.
Why Choose the Xeon E5420 for LGA 775?
The Xeon E5420 is a popular choice for enthusiasts looking to squeeze maximum quad-core performance out of an LGA 775 platform. With its 45nm architecture, 2.5GHz clock speed, and support for DDR3 dual-channel memory, it offers an excellent cost-to-performance ratio for gaming, light productivity, and legacy system upgrades.
Made in Mainland China.
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Frequently Asked Questions
Q: Is the Intel Xeon E5420 compatible with all LGA 775 motherboards?
A: No — the Xeon E5420 works with LGA 775 boards using G31, G41, P31, P35, P41, P43, and P45 chipsets. It is not compatible with X38, X48, Q35, or Q45 chipset motherboards. Always check your motherboard's CPU support list and ensure your BIOS is updated to the latest version before installing.
Q: Does the Xeon E5420 come with a CPU cooler?
A: No, this listing does not include a cooling system. You will need to source a compatible LGA 775 CPU cooler separately to properly cool the processor during operation.
Q: What condition is the Intel Xeon E5420 in?
A: This is a used processor that may have slight surface scratches from prior use. However, every unit is double-tested before shipping to verify full operational functionality, so you can buy with confidence.
Q: What memory type does the Intel Xeon E5420 support?
A: The Xeon E5420 supports DDR3 memory in a dual-channel configuration (2 memory channels), making it ideal for maximizing bandwidth on compatible LGA 775 platforms.
Production & Packaging Notice
To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.