Product information notice: Some specifications may describe a broader product range and may not apply to this exact model. Use the product summary above as the primary model reference. Bundled software may be trial software and can require a separate licence.
Overview Summary
The AMD Ryzen 5 PRO 9645 is a powerful 6-core, 12-thread AM5 desktop processor built on the Zen 5 architecture. With boost speeds up to 5.4GHz, integrated AMD Radeon graphics and professional-grade security features, it is well suited to modern business and productivity systems.
Ideal for building or upgrading a capable AM5 desktop in South Africa, this processor also includes an AMD Wraith Stealth cooler for a complete installation package. Buy now and upgrade your professional desktop performance, or shop now for a reliable Ryzen PRO processor.
Performance tier: Mid-range professional
Uses: Business computing, office productivity, multitasking, professional desktops, content creation, virtualisation
Overview
AMD Ryzen 5 PRO 9645 Desktop Processor The AMD Ryzen 5 PRO 9645 is a 6-core desktop processor built on AMD Zen 5 architecture and designed for professional business systems, workstations and productivity-focused PCs. With a base clock of 3.9 GHz and boost speeds of up to 5.4 GHz, it delivers responsive performance for demanding business applications, multitasking and everyday desktop workloads. The processor uses the AM5 socket, supports DDR5 memory, PCIe 5.0 and includes integrated AMD Radeon Graphics, making it suitable for a wide range of professional desktop configurations.
Description
The AMD Ryzen 5 PRO 9645 combines Zen 5 processing performance with AMD PRO technologies for business environments where security, manageability and long-term platform stability are important. Its 6 cores and 12 threads provide strong multitasking performance, while Precision Boost 2 allows the processor to increase clock speeds when additional processing power is required.
With a 65W default TDP, the Ryzen 5 PRO 9645 offers a practical balance between performance and power efficiency. The included AMD Wraith Stealth cooler provides a convenient thermal solution for compatible desktop builds, while integrated Radeon Graphics can handle basic display output without requiring a separate graphics card.
Features
AMD Ryzen 5 PRO 9645 Performance The Ryzen 5 PRO 9645 is based on the Zen 5 processor architecture and is manufactured using TSMC 4nm FinFET technology for the CPU cores. It provides 6 physical CPU cores and 12 threads through simultaneous multithreading, making it well suited to multitasking, office applications, professional software and general desktop workloads.
Key processing details include:
6 CPU cores and 12 threads
Base clock speed of 3.9 GHz
Maximum boost clock of up to 5.4 GHz
32 MB L3 cache
6 MB L2 cache
480 KB L1 cache
65W default TDP
Precision Boost 2 technology
Zen 5 processor architecture
AM5 desktop socket
The processor is not unlocked for overclocking and does not support AMD EXPO memory overclocking, Precision Boost Overdrive or Curve Optimizer voltage offsets. This makes it particularly suited to stable, professionally managed desktop systems rather than enthusiast overclocking builds.
DDR5 Memory and PCIe 5.0 Support The AMD Ryzen 5 PRO 9645 supports DDR5 UDIMM memory through two memory channels, with support for up to 192 GB depending on the motherboard configuration. It also provides PCIe 5.0 connectivity, giving compatible systems access to high-bandwidth storage and expansion options.
Memory support includes DDR5-5600 configurations with suitable modules, while ECC memory is supported when the motherboard also provides ECC support.
The processor provides:
DDR5 dual-channel memory support
Up to 192 GB maximum memory
ECC support with compatible motherboard
PCIe 5.0 interface
28 native PCIe lanes, with 24 usable
NVMe support including Boot, RAID 0, RAID 1, RAID 5 and RAID 10
Integrated AMD Radeon Graphics The Ryzen 5 PRO 9645 includes integrated AMD Radeon Graphics with 2 graphics cores operating at up to 2200 MHz. This allows compatible desktop systems to provide display output without the need for a dedicated graphics card, depending on the motherboard's display connectivity.
USB Type-C DisplayPort Alternate Mode is also supported, providing additional display flexibility on compatible systems.
AMD PRO Security and Manageability For business desktops, the Ryzen 5 PRO 9645 provides a broad selection of security and manageability technologies. AMD PRO technologies are included to support professional IT environments, while DASH support allows compatible systems to benefit from remote management capabilities.
Security technologies include AMD Memory Guard, AMD Secure Processor, AMD Platform Secure Boot and firmware TPM. The processor also supports Windows Device Guard, Virtualization-Based Security, AMD-V, AMD-Vi and other hardware-level security functions.
Compatible AM5 Platforms The AMD Ryzen 5 PRO 9645 uses the AM5 socket and is compatible with a range of AMD chipsets, allowing system builders to select a motherboard according to their connectivity, expansion and business requirements.
Supported chipsets include:
AMD A620
AMD B650 and B650E
AMD B840 and B850
AMD X670 and X670E
AMD X870 and X870E
Always check the motherboard manufacturer's CPU support list and BIOS requirements before installation.
Connectivity and Storage PCIe 5.0 support provides the bandwidth required by modern high-speed components, including compatible NVMe storage and expansion cards. Native connectivity includes four USB 3.2 Gen 2 ports supporting up to 10Gbps and one USB 2.0 connection at up to 480Mbps, subject to motherboard implementation.
The processor also supports NVMe boot configurations and RAID 0, RAID 1, RAID 5 and RAID 10 when supported by the platform.
Professional Desktop Reliability AMD positions the Ryzen PRO 9000 Series for business environments where consistent hardware and software support is important. The Ryzen 5 PRO 9645 provides a minimum hardware and software feature stability period of 18 months, along with a minimum software and security support period of 36 months.
This makes the processor a suitable choice for business desktops, professional workstations and managed IT deployments where platform consistency and security are key considerations.
Processor Specifications
Product: AMD Ryzen 5 PRO 9645
Family: AMD Ryzen PRO
Series: Ryzen PRO 9000 Series
Codename: Granite Ridge AM5
Architecture: Zen 5
Socket: AM5
Cores: 6
Threads: 12
Base Clock: 3.9 GHz
Max Boost Clock: Up to 5.4 GHz
L1 Cache: 480 KB
L2 Cache: 6 MB
L3 Cache: 32 MB
Default TDP: 65W
Integrated Graphics: AMD Radeon Graphics
Graphics Frequency: 2200 MHz
Memory Type: DDR5 UDIMM
Maximum Memory: Up to 192 GB
PCI Express: PCIe 5.0
Thermal Solution: AMD Wraith Stealth
Maximum Operating Temperature: 95 C
Overclocking: Not supported
AMD PRO Technologies: Yes
DASH Management: Yes
Part Number and SKU The part number / SKU for this processor is 100-100001409MPK. The tray product ID is 100-000001409. These identifiers can be used when checking compatibility, ordering the processor or matching it to a specific system configuration.
Operating System Support The AMD Ryzen 5 PRO 9645 supports modern 64-bit operating systems, including Windows 11, Windows 10, Red Hat Enterprise Linux and Ubuntu. Operating system compatibility can vary depending on the motherboard, drivers and complete system configuration.
AMD Ryzen 5 PRO 9645 for Business PCs With 6 cores, 12 threads, boost speeds of up to 5.4 GHz, DDR5 memory support, PCIe 5.0 and integrated Radeon Graphics, the AMD Ryzen 5 PRO 9645 is designed for capable professional desktop systems. Its combination of Zen 5 performance, AMD PRO security and manageability technologies, and a 65W power profile makes it a practical option for business desktops and productivity-focused workstations.
Reviews have been submitted by users and do not necessarily reflect our own opinion.
The best price and guaranteed service and backup from official computer suppliers in South Africa for the 100-100001409MPK AMD Ryzen 5 Pro 9645 Granite Ridge 6 Core AM5 3.9GHz up to 5.4GHz 64MB L3 Cache Processor.
The AMD
100-100001409MPKAMD Ryzen 5 Pro 9645 Granite Ridge 6 Core AM5 3.9GHz up to 5.4GHz 64MB L3 Cache Processor is available for R6665. The product is sold by ComX Computers as new. Prices are valid today 2026-09-26 (before , by quote, while stocks last). The product is expected to be in stock, although this is not guaranteed.
Available from this online computer store delivering door-to-door in Johannesburg, Cape Town, Port Elizabeth, Pretoria, Pietermaritzburg, Polokwane, Durban and all over South Africa.
Find related 100-100001409MPK AMD Ryzen 5 Pro 9645 Granite Ridge 6 Core AM5 3.9GHz up to 5.4GHz 64MB L3 Cache Processor products in our AMD Ryzen Zen5 Socket AM5 Processor Category for even more options. Read reviews and find out about 100-100001409MPK AMD Ryzen 5 Pro 9645 Granite Ridge 6 Core AM5 3.9GHz up to 5.4GHz 64MB L3 Cache Processor. Discounts, specials and cheap prices only at ComX Computers.
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