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Intel
Intel Xeon W5-2455X server processor PK8071305127200
12-core Xeon server processor with 3.2 GHz base, 4.6 GHz turbo, 30 MB L3 cache, DDR5-4800 quad-channel support and 64 PCIe 5.0 lanes
- NameXeon W5-2455X
- CPU Socket TypeLGA 4677
- Core NameSapphire Rapids
- # of Cores12-Core
- # of Threads24
- Operating Frequency3.2 GHz
- 12 cores and 24 threads accelerate multi-threaded workloads
- 2 GHz base with 4.60 GHz max turbo boosts single-thread speed
- 30 MB L3 cache reduces latency for large datasets
- DDR5 4800 quad-channel controller supports up to 2 TB memory
- PCIe 5.0 with 64 lanes enables high-bandwidth I/O expansion
Intel Xeon W5-2455X 12-Core Server Processor
This Intel Xeon W5-2455X is a 12-core, 24-thread server processor built for the LGA 4677 socket. It operates at a base frequency of 3.2 GHz and reaches a maximum turbo frequency of 4.60 GHz with Intel Turbo Boost Max Technology 3.0. The chip provides 30 MB of L3 cache, quad-channel DDR5-4800 memory support up to 2 TB, and 64 lanes of PCI Express 5.0 connectivity. It is manufactured on a 7 nm process with a base power of 200 W and a maximum turbo power of 240 W.
Suited for workstations needing high core counts
This processor suits professionals running multi-threaded workloads such as rendering, simulation, or virtualization that benefit from 12 cores, 24 threads, and quad-channel DDR5 memory. The 64 PCIe 5.0 lanes support high-speed storage and accelerator cards. Buyers who need fewer cores, lower power draw, or compatibility with older motherboards should look at alternative products. Systems must provide cooling capable of handling up to 240 W turbo power and a motherboard with the LGA 4677 socket.
LGA 4677 socket requirement
The single specification that decides fit is the CPU socket type: this processor only installs in an LGA 4677 socket. No other socket will accept it. Verify that your motherboard explicitly lists LGA 4677 support before purchase.
أبرز المميزات
- 12 cores and 24 threads accelerate multi-threaded workloads
- 2 GHz base with 4.60 GHz max turbo boosts single-thread speed
- 30 MB L3 cache reduces latency for large datasets
- DDR5 4800 quad-channel controller supports up to 2 TB memory
- PCIe 5.0 with 64 lanes enables high-bandwidth I/O expansion
المواصفات
| Brand | Intel |
|---|---|
| Series | Intel Xeon W |
| Name | Xeon W5-2455X |
| Model | PK8071305127200 |
| CPU Socket Type | LGA 4677 |
| Core Name | Sapphire Rapids |
| # of Cores | 12-Core |
| # of Threads | 24 |
| Operating Frequency | 3.2 GHz |
| Max Turbo Frequency | Max Turbo Frequency: 4.60 GHz Intel Turbo Boost Max Technology 3.0 Frequency: 4.60 GHz Intel Turbo Boost Technology 2.0 Frequency: 4.40 GHz |
| L3 Cache | 30 MB |
| 64-Bit Support | Yes |
| Hyper-Threading Support | Yes |
| Manufacturing Tech | 7 nm |
| Integrated Memory Controller Speed | DDR5 4800 |
| Maximum Memory Capacity | 2TB |
| Memory Channel | Quad Channel |
| Virtualization Technology Support | Yes |
| PCI Express Revision | 5.0 |
| Max # of PCI Express Lanes | 64 |
| Thermal Design Power | Processor Base Power: 200 W Maximum Turbo Power: 240 W |
| وزن الشحنة | 1.14 kg |
| أبعاد الطرد | 195 × 147 × 130 mm |
أسئلة حول هذا المنتج
Which motherboard socket and memory type do I need to install this Xeon W5-2455X?
The processor fits an LGA 4677 socket and requires DDR5 memory running at 4800 MT/s across four channels.
Will my existing PCIe 4.0 add-in cards work at full speed with the 64 lanes of PCIe 5.0 on this CPU?
Yes, PCIe 5.0 is backward compatible so PCIe 4.0 cards will operate at their rated 4.0 speeds using the available lanes.
How can I verify the CPU is hitting its 4.60 GHz Turbo Boost Max 3.0 frequency after assembly?
Monitor per-core clocks under a single-threaded load with a tool such as Intel XTU or HWiNFO; the hottest core should reach 4.60 GHz.
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