AMD - Ryzen 9 9900X 12-Core - 24-Thread 4.4 GHz (5.6 GHz Max Boost) Socket AM5 Unlocked Desktop Processor - Silver
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Specifications
- Processor SocketSocket AM5 (LGA 1718)PCI Express VersionPCI Express 5.0CPU Base Clock Frequency4.4 gigahertzCPU Boost Clock Frequency5.6 gigahertzNumber of CPU Cores12-coreNumber of CPU Threads24
- Key Specs
- Processor Socket: Socket AM5 (LGA 1718) (Type of pin configuration that connects a CPU to a computer’s motherboard.)
- PCI Express Version: PCI Express 5.0
- CPU Base Clock Frequency: 4.4 gigahertz (Actual central processing unit (CPU) speed may vary by device configuration and design. The average rate at which the processor is able to execute tasks under normal operating conditions as asserted by the manufacturer.)
- CPU Boost Clock Frequency: 5.6 gigahertz (Actual central processing unit (CPU) speed may vary by device configuration and design. The maximum rate at which the processor is able to execute tasks, typically only used for a short period of time as needed. This rate may temporarily boost the processor's performance, but may result in overheating, shutdown, or damage to equipment if sustained.)
- Number of CPU Cores: 12-core (A core, or "brain" of a CPU, allows it to receive and execute instructions. Each core can work independently or together to perform parallel operations.)
- Number of CPU Threads: 24 (Generally, the more threads, the faster and more responsive the operating system.)
- Unlocked Processor: true
- Memory Type Supported: DDR5
- L1 Cache: 768 megabytes (Cache memory, also called CPU memory, is random-access memory (RAM) that a computer microprocessor can access more quickly than it can access regular RAM. This memory is typically integrated directly with the CPU chip or placed on a separate chip that has a separate bus interconnect with the CPU.)
- L2 Cache: 12 megabytes (Cache memory, also called CPU memory, is random-access memory (RAM) that a computer microprocessor can access more quickly than it can access regular RAM. This memory is typically integrated directly with the CPU chip or placed on a separate chip that has a separate bus interconnect with the CPU.)
- L3 Cache: 84 megabytes (Cache memory, also called CPU memory, is random-access memory (RAM) that a computer microprocessor can access more quickly than it can access regular RAM. This memory is typically integrated directly with the CPU chip or placed on a separate chip that has a separate bus interconnect with the CPU.)
- Processor Base Power: 120 watts
- Integrated Graphics: true (Device has a built-in graphics processing unit.)
- Integrated Graphics Processor: AMD Radeon (This is responsible for displaying image content and decoding/encoding video content in programs and games.)
- Processor Generation/Series: 9000 Series
- General
- Brand: AMD
- Model Number: 100-100000662WOF
- Product Name: Ryzen 9 9900X 12-Core - 24-Thread 4.4 GHz (5.6 GHz Max Boost) Socket AM5 Unlocked Desktop Processor
- Color: Silver
- Processor Model Number: 9900X
- Processor Collection: Ryzen 9
- Processor Generation/Series: 9000 Series
- Year of Release: 2024
- Compatibility
- Processor Socket: Socket AM5 (LGA 1718) (Type of pin configuration that connects a CPU to a computer’s motherboard.)
- PCI Express Configuration: PCIe Gen 5 x1
- PCI Express Lanes (Total): 28
- PCI Express Version: PCI Express 5.0
- Processor Instruction Set: 64-bit
- Performance
- CPU Base Clock Frequency: 4.4 gigahertz (Actual central processing unit (CPU) speed may vary by device configuration and design. The average rate at which the processor is able to execute tasks under normal operating conditions as asserted by the manufacturer.)
- CPU Boost Clock Frequency: 5.6 gigahertz (Actual central processing unit (CPU) speed may vary by device configuration and design. The maximum rate at which the processor is able to execute tasks, typically only used for a short period of time as needed. This rate may temporarily boost the processor's performance, but may result in overheating, shutdown, or damage to equipment if sustained.)
- Number of CPU Cores: 12-core (A core, or "brain" of a CPU, allows it to receive and execute instructions. Each core can work independently or together to perform parallel operations.)
- Number of CPU Threads: 24 (Generally, the more threads, the faster and more responsive the operating system.)
- Unlocked Processor: true
- Hard Drive Accelerator: None (A module integrated (or added) into a PC to improve performance speed. By acting as a high-speed cache, an accelerator speeds up access times to the hard drive, which results in faster web browsing, improved gaming experience, and overall more responsiveness.)
- Memory
- Maximum Memory Supported: 192 gigabytes
- Memory Type Supported: DDR5
- Number of Memory Channels Supported: 2
- Cache Level: L1, L2, L3 (The cache stores data that the CPU needs to access quickly in order to complete tasks. Each level is ranked according to priority of access; Level 1 (L1) cache stores data that the CPU needs to access first. L1 cache is also the fastest but holds the least amount of data, with each following level decreasing in speed but increasing in capacity.)
- L1 Cache: 768 megabytes (Cache memory, also called CPU memory, is random-access memory (RAM) that a computer microprocessor can access more quickly than it can access regular RAM. This memory is typically integrated directly with the CPU chip or placed on a separate chip that has a separate bus interconnect with the CPU.)
- L2 Cache: 12 megabytes (Cache memory, also called CPU memory, is random-access memory (RAM) that a computer microprocessor can access more quickly than it can access regular RAM. This memory is typically integrated directly with the CPU chip or placed on a separate chip that has a separate bus interconnect with the CPU.)
- L3 Cache: 84 megabytes (Cache memory, also called CPU memory, is random-access memory (RAM) that a computer microprocessor can access more quickly than it can access regular RAM. This memory is typically integrated directly with the CPU chip or placed on a separate chip that has a separate bus interconnect with the CPU.)
- Features
- Processor Type: Desktop
- Thermal Solution: Not included (The kind of cooling system built into the CPU.)
- RAID Support: RAID 0, RAID 1, RAID 5 (A Redundant Array of Independent Disks (RAID) includes a collection of separate disks that your computer recognizes as one disk unit. Each configuration offers a different level of mirroring, striping and read/write speeds.)
- Power
- Processor Base Power: 120 watts
- Processor Boost Power: 0 watts
- Graphics
- Integrated Graphics: true (Device has a built-in graphics processing unit.)
- Integrated Graphics Processor: AMD Radeon (This is responsible for displaying image content and decoding/encoding video content in programs and games.)
- GPU Base Clock Frequency: 0.4 gigahertz (The minimum rate at which the graphics controller is guaranteed to operate.)
- GPU Boost Clock Frequency: 2.2 gigahertz (The maximum ideal rate at which the graphics controller is able to operate, typically only for a short period of time.)
- Number of GPU Cores: 2
- Warranty
- Warranty - Parts: 3 year limited
- Warranty - Labor: 3 Year Limited Warranty
- Other
- UPC: 730143315296
Enthusiast Gaming. 20% faster AI. 100% more graphics bandwidth.
Q: What is the processor's base clock frequency?
A: The CPU base clock frequency is 4.4 gigahertz.
Q: How many cores does the processor have?
A: The processor has 12 cores.
Q: What is the maximum memory supported by the processor?
A: The maximum memory supported by the processor is 192 gigabytes.
Q: What type of memory does the processor support?
A: The processor supports DDR5 memory type.
Q: Does the processor have integrated graphics?
A: This processor does not have integrated graphics.
Q: What is the warranty period for the processor?
A: The manufacturer's warranty for parts on this processor is a 3-year limited warranty.
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Enthusiast Gaming. 20% faster AI. 100% more graphics bandwidth.
The insanely powerful gaming and streaming desktop processor, get the competitive edge with the ultimate enthusiast processor for gamers, for creators, for everyone.
Boosted by AMD's advanced "Zen 5" architecture and 4nm technology, you'll feel unmatched power in every moment of high-performance gaming. AMD Ryzen 7 9800X3D processors are built with exclusive AMD 3D V-cache technology. Designed for the AM5 platform, enabled with the fastest DDR5 memory speeds, and equipped with PCIe 5.0 for incredible bandwidth.
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| Pros for AMD - Ryzen 9 9900X 12-Core - 24-Thread 4.4 GHz (5.6 GHz Max Boost) Socket AM5 Unlocked Desktop Processor - Silver | |||
|---|---|---|---|
| There were no pros for this product— | Installation, Performance, CPU Performance, Value, Speed | Processor Speed, Heat Dissipation, Installation, Gaming Performance, Frame Rate | Processor Speed, Heat Dissipation, Overall Performance, Installation Ease |
| Cons for AMD - Ryzen 9 9900X 12-Core - 24-Thread 4.4 GHz (5.6 GHz Max Boost) Socket AM5 Unlocked Desktop Processor - Silver | |||
| There were no cons for this product— | Temperature | There were no cons for this product— | There were no cons for this product— |
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Reviews
Customer Images
The vast majority of our reviews come from verified purchases. Reviews from customers may include My Best Buy members, employees, and Tech Insider Network members (as tagged). Select reviewers may receive discounted products, promotional considerations or entries into drawings for honest, helpful reviews.
- Rated 5 out of 5 stars
Great CPU
Easy to install and efficient, offering good value for money. Runs cool with my AIO and handles demanding applications and tasks smoothly.
This review is from AMD - Ryzen 9 9900X 12-Core - 24-Thread 4.4 GHz (5.6 GHz Max Boost) Socket AM5 Unlocked Desktop Processor - Silver
Posted by ClaraSeward
- Rated 5 out of 5 stars
Worth it
I upgraded from the Ryzen 7 78003dx my cpu was causing a 5% bottleneck with my 4090. Now with the 9900x i have no bottleneck and out of the box my clock speed is 5.4 ghz with no over clock. Temps did go up a hair as expected but not all that much. In my opinion Amd has made leaps and bounds over the years. Let me be the first to say if you are thinking about this chip do it. I think it is also worth the mention if you are running a b550 motherboard it may need to have the bios updated as mine did other wise it will not post.
This review is from AMD - Ryzen 9 9900X 12-Core - 24-Thread 4.4 GHz (5.6 GHz Max Boost) Socket AM5 Unlocked Desktop Processor - Silver
Posted by Casey
- Rated 5 out of 5 stars
Blazing-Fast Performance in a Compact Powerhouse
Blazing-Fast Performance in a Compact Powerhouse The AMD Ryzen 9 9900X is a phenomenal CPU for enthusiasts, gamers, and content creators who demand high-end performance without stepping into Threadripper territory. Packing 12 cores and 24 threads on the new AM5 socket, this chip absolutely flies through heavy workloads, from 4K video editing to high-FPS gaming. With a base clock of 4.4 GHz and a max boost up to 5.6 GHz, it delivers serious single-thread performance that rivals Intel’s top contenders, all while maintaining AMD’s efficiency advantage. Pair it with DDR5 memory and PCIe 5.0 components, and you’re looking at a future-proof system that won’t need upgrading for years. Overclocking is smooth and stable, thanks to it being unlocked, and the thermal management with a decent cooling setup is surprisingly good for a 12-core beast. It’s also worth noting the excellent power efficiency, especially at idle or low-load operations—a testament to AMD’s Zen 5 architecture refinements. Pros: Lightning-fast performance across gaming and productivity Future-ready AM5 platform with DDR5 and PCIe 5.0 support Strong multi-core and single-core results Unlocked for easy overclocking Cons: Requires a new motherboard (AM5), which adds to cost No integrated graphics – a discrete GPU is a must Runs hot under full load – invest in a quality cooler
This review is from AMD - Ryzen 9 9900X 12-Core - 24-Thread 4.4 GHz (5.6 GHz Max Boost) Socket AM5 Unlocked Desktop Processor - Silver
Posted by JoshA
