Monoprice via eBay offers the Intel Kaby Lake Core i7-7700K 4.2GHz Quad-Core LGA 1151 Processor, model no. BX80677I77700K, for $259.99 with free shipping. That's $50 under our mention from three weeks ago and the best deal we could find today by $86. (Most stores charge over $300.) It features 8MB of cache memory.