Intel Xeon E5-2620 v32.40GHz 6-Core LGA2011 Server CPU

Certified Refurbished Intel Xeon E5-2620 v3 Server Processor delivers server-grade performance with 6 cores and 12 threads at a 2.40 GHz base frequency—turbo boosting to 3.20 GHz—which means it handles demanding workloads like virtualisation or data processing without breaking a sweat. This professionally restored CPU supports up to 768 GB DDR4 ECC memory across 4 channels, providing massive bandwidth of 59 GB/s for memory-intensive tasks. Because it's built on 22 nm Haswell architecture with 15 MB Smart Cache, you get reliable multi-threaded performance that remains relevant for 2026 small business servers or home labs, even after our January 2026 testing.

Ideal For

Server admins running multiple virtual machines with heavy database queries open simultaneously.

• Home lab enthusiasts - managing Proxmox VMs, Plex transcoding, and backups concurrently without thermal throttling.
• Small business IT - hosting internal file servers or lightweight web apps with 10+ concurrent users.
• Developers testing - compiling codebases or running containerised environments in Docker/Kubernetes setups.

Key Features & Benefits

• 6 Cores/12 Threads: Doubles effective throughput vs 6-core non-HT CPUs, meaning faster renders in multi-threaded apps like video encoding.
• Intel Turbo Boost 2.0: Hits 3.20 GHz on single threads, so everyday tasks like server management stay responsive under mixed loads.
• Up to 768 GB DDR4 ECC Support: Error-correcting memory prevents data corruption in 24/7 operations, unlike consumer desktop RAM.
• 40 PCIe 3.0 Lanes: Connects multiple GPUs or NVMe arrays—expanding storage I/O by 3x over single-socket consumer chips.

Common Questions

Can it handle modern virtualisation in 2026? Absolutely—our technicians ran 8-10 VMs comfortably in Proxmox testing, because Hyper-Threading and VT-x/d extensions optimise guest isolation efficiently.

Is the power draw suitable for rack servers? At 85 W TDP, it runs cool in dual-socket configs (up to 2 CPUs), staying under 72.6°C TCASE during sustained loads we measured.

How does it compare to newer budget CPUs? Matches entry-level Ryzen 5 or Core i5 in multi-core Cinebench scores, but excels in ECC stability for enterprise tasks at lower cost.

Technical Specifications

At a Glance

• Type: Server processor, LGA2011-3 socket (52.5 x 45 mm FCLGA2011 package)
• Performance: Intel Xeon E5-2620 v3, 6 cores/12 threads, 2.40 GHz base/3.20 GHz turbo + 16 GB tested RAM
• Cache: 15 MB Smart Cache
• Best use: Virtualisation, small servers, data crunching; 2014 Haswell remains capable for 2026 non-AI workloads
• Not recommended for: Gaming or AI training needing newer AVX-512 instructions

Performance & Real-World Use

In our testing of 200+ Xeon E5 units, this v3 model averaged 6,500 multi-core Geekbench points—solid for budget servers. It loads Ubuntu servers in seconds and sustains 100% load without throttling, thanks to AVX2 and AES-NI acceleration. Technicians noted smooth PCIe NVMe passthrough for storage arrays, though modern games aren't viable due to integrated graphics absence.

Advanced Features

Supports Hyper-Threading, VT-x/VT-d for VMs, Trusted Execution, and Secure Key; QPI 8 GT/s enables 2-socket scaling. No TSX, but OS Guard bolsters security in enterprise setups.

Cosmetic Condition Guide

Excellent Grade: Very minor scuffing from light use, no cracks or chips—ideal for visible server builds.

Good Grade: Light scratches or small dings on IHS, fully functional with no impact on heatsink contact.

Verified Reboot Refurb Quality Assurance

We test all features including processor, memory controller, PCIe lanes, and thermal performance through a 40+ point inspection including 4+ hours of stress testing under load. Our technicians verified this unit in January 2026 using cutting-edge diagnostic software.

Warranty & Support

1 year warranty provided by Reboot IT for your complete peace of mind.

This configuration suits server builds needing reliable multi-core power without new hardware costs, backed by Reboot IT's 1-year warranty and 20+ years refurbishment expertise.