New in box. I did not realize I received a 250KF instead of a 250k.

1. Next‑Gen Platform Support: Compatible with Intel 800 Series Chipset‑based motherboards with LGA1851 Socket enabling PCIe 5.0/4.0 and high‑speed DDR5 memory (up to 7200 MT/s).
2. Ultra‑Fast Boost Clocks: Reaches up to 5.5 GHz max turbo frequency for top‑tier responsiveness and performance
3. Built for Enthusiasts: Unlocked for performance tuning when paired with Intel Z‑series chipsets, making it ideal for overclockers and power users.
4. Robust Power & Thermal Design: Engineered with 125W base power and 250W max turbo power to sustain high‑intensity