Intel Core i5-8600K 3.6GHz 6-Core LGA 1151 CPU – Used
Intel Core i5-8600K Desktop Processor — Tested & Verified Used Unit
⚠️ Important Notice: This is a used CPU with slight surface scratches. Each unit is double-tested before shipping to ensure full functionality. What you see is what you get — a reliable, performance-ready processor at a fraction of the new price.
Made in Mainland China.
The Intel Core i5-8600K is a powerful 8th Generation Coffee Lake desktop processor built for demanding computing tasks. With 6 cores and 6 threads running at a base clock of 3.6GHz, it delivers snappy, responsive performance for everyday multitasking, content creation, and gaming. Whether you're building or upgrading a desktop workstation, this processor is a smart, cost-effective pick.
Key Specifications
- Model: Intel Core i5-8600K
- Base Clock Speed: 3.6GHz
- Cores / Threads: 6 Cores / 6 Threads
- L3 Cache: 9MB
- Socket Type: LGA 1151
- Chip Process: 14nm
- TDP (Thermal Design Power): 95W
- Integrated GPU: Yes (Intel UHD Graphics 630)
- Supported Memory: DDR4, Dual Channel
- PCIe Version: PCIe 3.0
- Stepping: SR3QU
- Cooling System: Not included — third-party cooler required
- Condition: Used (minor surface scratches; fully functional)
Why Choose the i5-8600K?
- ✅ 6-core horsepower ideal for multitasking and productivity
- ✅ LGA 1151 socket — compatible with Intel 300-series chipset motherboards
- ✅ Built-in Intel UHD 630 graphics — no dedicated GPU required for basic display output
- ✅ DDR4 dual-channel memory support for fast data throughput
- ✅ PCIe 3.0 for compatibility with modern GPUs and NVMe SSDs
- ✅ Each unit tested before dispatch for peace of mind
Great Pairing Ideas
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Learn more: EPA guidance on lithium-ion battery handling
Frequently Asked Questions
Q: Is this Intel Core i5-8600K new or used?
A: This i5-8600K CPU is a used processor. It may have minor surface scratches typical of a previously installed chip. Importantly, every unit is double-tested before shipping to confirm it is fully operational and meets performance specifications.
Q: What motherboard socket does the Intel i5-8600K use?
A: The Intel Core i5-8600K uses the LGA 1151 socket and is compatible with Intel 300-series chipset motherboards (e.g., Z370, Z390). Please verify your motherboard's BIOS compatibility before purchasing.
Q: Does the i5-8600K come with a CPU cooler?
A: No, this listing does not include a cooling solution. You will need to source a compatible third-party CPU cooler separately. Given its 95W TDP, a mid-range tower cooler is recommended for optimal thermal performance.
Q: What memory type does the Intel i5-8600K support?
A: The i5-8600K supports DDR4 memory in a dual-channel configuration, delivering fast and efficient data transfer speeds for your desktop build.
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.