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Intel
Intel Xeon Platinum 8558U 48-core 2.0 GHz server processor PK8072205512400
48-core Xeon server processor with 96 threads, 260 MB L3 cache, 2.0 GHz base and 4.0 GHz turbo, LGA 4677 socket, 300 W TDP, PCIe 5.0 with 80 lanes.
- NameXeon Platinum 8558U
- CPU Socket TypeLGA 4677
- Core NameEmerald Rapids
- # of Cores48-Core
- # of Threads96
- Operating Frequency2.0 GHz
- 48 cores and 96 threads scale through parallel workloads
- 0 GHz base and 4.0 GHz max turbo adapt to variable demands
- 260 MB L3 cache keeps large data sets close to the cores
- 80 PCIe 5.0 lanes connect high-throughput accelerators and storage
- 300 W TDP within a 10 nm process balances density and power
48-core Xeon Platinum 8558U for single-socket
This Intel Xeon Platinum 8558U is a 48-core, 96-thread server processor built for single-socket platforms. It runs at a 2.0 GHz base frequency and can reach 4.0 GHz maximum turbo frequency. The chip provides 260 MB of L3 cache and fits the LGA 4677 socket with a 300 W thermal design power.
Suited for dense single-socket compute.
The processor supports 1S Only scalability, making it appropriate for workloads that fit within one socket such as virtualisation, database, or high-performance computing nodes. Buyers who need multi-socket scaling or higher core counts per socket should look at other parts.
80 lanes of PCI Express 5.0 for high-bandwidth I/O
The CPU exposes up to 80 PCI Express 5.0 lanes, enabling direct attachment of fast storage, networking, and accelerator cards without a switch. This lane count is the key figure for determining whether the platform can support the required I/O configuration.
נקודות עיקריות
- 48 cores and 96 threads scale through parallel workloads
- 0 GHz base and 4.0 GHz max turbo adapt to variable demands
- 260 MB L3 cache keeps large data sets close to the cores
- 80 PCIe 5.0 lanes connect high-throughput accelerators and storage
- 300 W TDP within a 10 nm process balances density and power
מפרט טכני
| Brand | Intel |
|---|---|
| Series | Intel Xeon Platinum |
| Name | Xeon Platinum 8558U |
| Model | PK8072205512400 |
| CPU Socket Type | LGA 4677 |
| Core Name | Emerald Rapids |
| # of Cores | 48-Core |
| # of Threads | 96 |
| Operating Frequency | 2.0 GHz |
| Max Turbo Frequency | 4.0 GHz |
| L3 Cache | 260MB |
| 64-Bit Support | Yes |
| Manufacturing Tech | 10 nm |
| Integrated Memory Controller Speed | 4800 MHz |
| Maximum Memory Capacity | 4TB |
| Memory Channel | 8 Channel |
| Virtualization Technology Support | Yes |
| Scalability | 1S Only |
| PCI Express Revision | 5.0 |
| Max # of PCI Express Lanes | 80 |
| Thermal Design Power | 300W |
| Cooling Device | Cooling device not included - Processor Only |
| משקל משלוח | 0.45 kg |
| מידות האריזה | 25 × 25 × 6 mm |
שאלות על הפריט הזה
Should I choose the 8558U or a lower-core Platinum model for a single-socket server?
The 8558U provides 48 cores and 96 threads with a 2.0 GHz base and 4.0 GHz max turbo, while 1S-only scalability means it cannot be paired in a dual-socket system.
How does the 2.0 GHz base clock translate to actual throughput under sustained load?
All 48 cores run at 2.0 GHz continuously within the 300 W TDP; workloads that can use 96 threads will see maximum throughput at this frequency, while lighter loads can boost up to 4.0 GHz on fewer cores.
What does PCI Express 5.0 with 80 lanes cap in practice?
The processor exposes 80 lanes of PCIe 5.0, allowing up to 80 lanes of Gen 5 bandwidth for add-in cards, limited by the motherboard's physical slot layout.
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