Name · AMD Ryzen™ 9 9900XFamily · Ryzen · Series · Ryzen 9000 Series · Form Factor · Desktops , Boxed Processor · Market Segment · Enthusiast Desktop · AMD PRO Technologies · NoConsumer Use · Yes · Regional Availability · Global · Former Codename · Granite Ridge AM5Architecture · Zen 5# of CPU Cores · Multithreading (SMT) · Yes # of Threads · Max. Boost Clock · Up to 5.6 GHzBase Clock 4.4 GHzL1 Cache · L2 Cache · 12 MBL3 Cache · 64 MB · Default TDP · Processor Technology for CPU Cores · TSMC 4nm Fin · FET · Processor Technology for I/O Die · TSMC 6nm Fin · FET · Package Die Count · Unlocked for Overclocking Yes · AMD EXPO™ Memory Overclocking Technology · Yes · Precision Boost Overdrive · Yes · Curve Optimizer Voltage Offsets · Yes · AMD Ryzen™ Master Support · Yes · CPU Socket · AM5Supporting Chipsets · A620 , X670E , X670 , B650E , B650 , X870E , X870 , B840 , B850CPU Boost Technology · Precision Boost 2Instruction Set · Supported Extensions · AES , AMD-V , AVX , AVX2 , AVX512 , FMA3 , MMX-plus , SHA , SSE , SSE2 , SSE3 , SSE4.1 , SSE4.2 , SSE4A , SSSE3 , x86-64Thermal Solution (PIB) · Not Included · Recommended Cooler · Liquid cooler recommended for optimal performance · Max. Operating Temperature (Tjmax)95°C*OS Support · Windows 11 - 64-Bit Edition , Windows 10 - 64-Bit Edition , RHEL x86 64-Bit , Ubuntu x86 64-Bit · Connectivity · Native USB 3.2 Gen 2 (10Gbps) Ports · Native USB 2.0 (480Mbps) Ports · PCI Express® Version · PCIe® 5.0Native PCIe® Lanes (Total/Usable) · Additional Usable PCIe Lanes from Motherboard · X870E8x Gen4X8704x Gen4X670E12x Gen4X67012x Gen4B650E8x Gen4B6508x Gen4NVMe Support · Boot , RAID0 , RAID1 , RAID5 , RAID10System Memory Type · DDR5Memory Channels · Max. Memory · 192 GB · System Memory Subtype · UDIMM · Max Memory Speed · 2x1RDDR5-56002x2RDDR5-56004x1RDDR5-36004x2RDDR5-3600ECC Support · Yes (Requires mobo support) · Graphics Capabilities · AMD Radeon™ Graphics · Graphics Core Count · Graphics Frequency · 2200 MHzUSB Type-C® DisplayPort™ Alternate Mode · Yes · Connectivity · Native USB 3.2 Gen 2 (10Gbps) Ports · Native USB 2.0 (480Mbps) Ports · PCI Express® Version · PCIe® 5.0Native PCIe® Lanes (Total/Usable) · Additional Usable PCIe Lanes from Motherboard · X870E8x Gen4X8704x Gen4X670E12x Gen4X67012x Gen4B650E8x Gen4B6508x Gen4NVMe Support · Boot , RAID0 , RAID1 , RAID5 , RAID10System Memory Type · DDR5Memory Channels · Max. Memory · 192GB · System Memory Subtype · UDIMM · Max Memory Speed · 2x1RDDR5-56002x2RDDR5-56004x1RDDR5-36004x2RDDR5-3600ECC Support · Yes (Requires mobo support) · Graphics Capabilities · Graphics Model · AMD Radeon™ Graphics · Graphics Core Count · Graphics Frequency · 2200 MHzUSB Type-C® DisplayPort™ Alternate Mode · Yes