Note: 1. This motherboard can only use server ECC RAMs. 2. you can only use the 2 x SFP+ 10Gb/s LAN ports to connect Internet. 3. this package inclued 1x Gigabyte MZ31-AR0 motherboard + 1x AMD 3995WX CPU + 1x I/O shields, doesn’t have original retail packaging. 4. We will install the CPU on the motherboard before delivery, and then test them. AMD Ryzen Threadripper PRO 3995WX General Specifications Platform Desktop Product Family AMD Ryzen PRO Processors Product Line AMD Ryzen Threadripper PRO Processors # of CPU Cores 64 # of Threads 128 Max. Boost Clock Up to 4.2GH z Base Clock 2.7GH z Total L1 Cache 4MB Total L2 Cache 32MB Total L3 Cache 256MB Default TDP 280W Processor Technology for CPU Cores TSMC 7nm FinFET Unlocked for Overclocking No CPU Socket sWRX8 Socket Count 1P Max. Operating Temperature (Tjmax) 90°C Launch Date 7/14/2020 *OS Support Windows 10 – 64-Bit Edition *Operating System (OS) support will vary by manufacturer. Connectivity PCI Express® Version PCIe 4.0 System Memory Type DDR4 Memory Channels 8 System Memory Specification Up to 3200MHz Product IDs Product ID Boxed 100-100000087WOF Product ID Tray 100-000000087