Intel Xeon E3-1280 v6 - 4Cores 8Threads, Base 3.90Ghz Turbo 4.20Ghz, 8MB Cache, 72W - P/N: SR325Essentials Product Collection Intel Xeon Processor E3 v6 Family Code Name Products formerly Kaby Lake Vertical Segment Server Processor Number E3 1280V6 Lithography 14 nm CPU Specifications Total Cores 4 Total Threads 8 Max Turbo Frequency 4. 20 GHz Intel Turbo Boost Technology 2. 0 Frequency 4. 20 GHz Processor Base Frequency 3. 90 GHz Cache 8 MB Intel Smart Cache Bus Speed 8 GT s TDP 72 W Supplemental Information Marketing Status Launched Launch