AMD Ryzen 9 PRO 9945 Processor (MPK) – Overview
Cores / threads
12 cores, 24 threads
Zen 5 architecture with simultaneous multithreading
12 cores, 24 threads
Zen 5 architecture with simultaneous multithreading
Clock speed
Up to 5.4GHz boost
3.4GHz base clock, locked multiplier
Up to 5.4GHz boost
3.4GHz base clock, locked multiplier
Cache
76MB L2 + L3
12MB L2 and 64MB L3 cache
76MB L2 + L3
12MB L2 and 64MB L3 cache
TDP
65W
12 cores in a 65W default TDP; Tjmax 95 °C
65W
12 cores in a 65W default TDP; Tjmax 95 °C
Socket
AM5
For A620, B650, X670, B840, B850 and X870 series boards
AM5
For A620, B650, X670, B840, B850 and X870 series boards
Memory
DDR5, dual channel
DDR5-5600 with two DIMMs, up to 192GB, ECC capable
DDR5, dual channel
DDR5-5600 with two DIMMs, up to 192GB, ECC capable
Graphics
AMD Radeon Graphics
2-core integrated GPU at 2200 MHz
AMD Radeon Graphics
2-core integrated GPU at 2200 MHz
Business features
AMD PRO technologies
DASH manageability, Memory Guard and Secure Processor
AMD PRO technologies
DASH manageability, Memory Guard and Secure Processor
Warranty
3 Year Carry-In
AMD processor warranty, supplied as MPK
3 Year Carry-In
AMD processor warranty, supplied as MPK
AMD Ryzen 9 PRO 9945 Processor (MPK) Specifications
| General | |
|---|---|
| Brand | AMD |
| Model | Ryzen 9 PRO 9945 |
| Part number (MPK) | 100-100001407MPK |
| Tray part number | 100-000001407 |
| Launch date | 16/09/2025 |
| Processor | |
| Architecture | Zen 5 |
| Cores | 12 |
| Threads | 24 |
| Base clock | 3.4GHz |
| Max boost clock | Up to 5.4GHz |
| L1 cache | 960KB |
| L2 cache | 12MB |
| L3 cache | 64MB |
| Process | TSMC 4nm FinFET (CPU cores), TSMC 6nm FinFET (I/O die) |
| Unlocked for overclocking | No |
| Default TDP | 65W |
| Max operating temperature | 95 °C |
| Platform | |
| Socket | AM5 |
| Supported chipsets | A620, B650, B650E, X670, X670E, B840, B850, X870, X870E |
| PCI Express | PCIe 5.0, 28 native lanes (24 usable) |
| Native USB | 4 x USB 3.2 Gen 2 (10Gbps), 1 x USB 2.0 |
| Memory | |
| Memory type | DDR5 UDIMM (ECC with a supporting motherboard) |
| Memory channels | 2 |
| Max memory | 192GB |
| Memory speed | DDR5-5600 (2 DIMMs), DDR5-3600 (4 DIMMs) |
| Graphics and Business Features | |
| Integrated graphics | AMD Radeon Graphics, 2 cores, 2200 MHz |
| AMD PRO technologies | Yes, with DASH manageability |
| In the Box and Warranty | |
| In the box | AMD Ryzen 9 PRO 9945 processor AMD Wraith Stealth CPU cooler |
| Warranty | 3 Year AMD Carry-In |
About the AMD Ryzen 9 PRO 9945 Processor (MPK)
The AMD Ryzen 9 PRO 9945 packs twelve Zen 5 cores and twenty-four threads into a 65W AM5 processor, aimed at business workstations that compile code, render or run virtual machines but must stay cool and quiet. It boosts to 5.4GHz and carries 64MB of L3 cache, with dual-channel DDR5 and ECC support on compatible boards. AMD PRO technologies add DASH remote management, Memory Guard and the AMD Secure Processor for IT-managed fleets. Integrated Radeon graphics cover display output. This is the MPK version with a locked multiplier.
