Condition: Used — Fully functional (see details) Item Description: Model: Intel Core i5-3550 S-spec: SR0P0 Base clock: 3.30 GHz Cores/Threads: 4 cores / 4 threads Socket: LGA1155 Cache: 6 MB Intel Smart Cache TDP: 77 W Integrated GPU: Intel HD Graphics 2500 Included: CPU only (no cooler, no original box). Protective tray or anti-static bag included for shipping. Condition details: Used, in working condition. Pulled from a working system and tested to POST and run normal workloads. Surface and contacts show normal signs of use (minor thermal paste residue on IHS). See photos for exact cosmetic condition. Compatibility and notes: Fits LGA1155 motherboards (2nd and 3rd generation Intel chipsets). Ensure your motherboard BIOS supports this CPU. Does not include heatsink/fan — you will need a compatible cooler. No returns accepted for physical damage caused after installation (bent pins, improper handling). Returns accepted for DOA or undisclosed faults per eBay policy — contact within [your chosen return window]. Testing: Verified to POST and boot into OS. Passed basic stability checks under light load. No overclocking was performed.