| Product SKU | 6556P-B |
|---|---|
| Product Collection | Intel® Xeon® 6 processors |
| Code Name | Products formerly Granite Rapids-D |
| Vertical Segment | Server |
| Lithography | Intel 3 |
| Total Cores | 36 |
| # of Performance-cores | 36 |
| Total Threads | 72 |
| Max Turbo Frequency | 3.5 GHz |
| Processor Base Frequency | 2.3 GHz |
| Cache | 144 MB |
| TDP | 215 W |
| Intel Deep Learning Boost (Intel DL Boost) on CPU | Yes |
| Marketing Status | Launched |
| Launch Date | Q1'25 |
| Servicing Status Intel Platform Update (IPU) . See "Changes in Customer Support and Servicing Updates for Select Intel Processors" for more information on servicing." data-search-title="Servicing Status" data-search-icon="true" aria-label="Servicing Status"> | Baseline Servicing |
| Embedded Options Available or contact your Intel representative. For details on how a specific Intel product is used in an edge or embedded device, please contact the device manufacturer." data-search-title="Embedded Options Available" data-search-href="/content/www/us/en/ark/featurefilter.html?productType=873&0_Embedded=True" data-search-icon="true" aria-label="Embedded Options Available"> | Yes |
| Use Conditions For SKU specific use condition information, see PRQ report . For current use condition information, see Intel UC (CNDA site)*." data-search-title="Use Conditions" data-search-icon="true" aria-label="Use Conditions"> | Communications Extended Temp |
| Max Memory Size (dependent on memory type) | 1.13 TB |
| Memory Types | DDR5 |
| Maximum Memory Speed | 6400 MT/s |
| Max # of Memory Channels | 4 |
| Intel Optane Persistent Memory Supported | No |
| ECC Memory Supported ‡ ‡ " data-info-description="ECC Memory Supported indicates processor support for Error-Correcting Code memory. ECC memory is a type of system memory that can detect and correct common kinds of internal data corruption. Note that ECC memory support requires both processor and chipset support." data-search-title="ECC Memory Supported ‡ " data-search-href="/content/www/us/en/ark/featurefilter.html?productType=873&0_ECCMemory=True" data-search-icon="true" aria-label="ECC Memory Supported ‡ "> | Yes |
| Scalability | 1S Only |
| PCI Express Revision | Gen 4, Gen 5 |
| PCI Express Configurations ‡ ‡ " data-info-description="PCI Express (PCIe) Configurations describe the available PCIe lane configurations that can be used to link to PCIe devices." data-search-title="PCI Express Configurations ‡ " data-search-icon="true" aria-label="PCI Express Configurations ‡ "> | 32 Lanes Gen 5; 16 Lanes Gen 4 |
| Max # of PCI Express Lanes | 48 |
| Integrated LAN | yes |
| Sockets Supported | FCBGA4368 |
| T CASE CASE " data-info-description="Case Temperature is the maximum temperature allowed at the processor Integrated Heat Spreader (IHS)." data-search-title="T CASE " data-search-icon="true" aria-label="T CASE "> | 85 CASE "> |
| Package Size | 77.5mm x 50mm |
| Intel vRAN Boost | Yes |
| Intel QuickAssist Technology (QAT) | 1 default devices |
| Intel Dynamic Load Balancer (DLB) | 1 default devices |
| Intel Data Streaming Accelerator (DSA) | 1 default devices |
| Intel Advanced Matrix Extensions (AMX) | Yes |
| Intel Speed Select Technology – Core Power | No |
| Intel Speed Select Technology – Turbo Frequency | No |
| Intel Speed Select Technology - Performance Profile | No |
| Intel Speed Select Technology - Base Frequency | No |
| Intel Resource Director Technology (Intel RDT) | Yes |
| Intel Optane Memory Supported ‡ ‡ " data-info-description="Intel Optane memory is a revolutionary new class of non-volatile memory that sits in between system memory and storage to accelerate system performance and responsiveness. When combined with the Intel Rapid Storage Technology Driver, it seamlessly manages multiple tiers of storage while presenting one virtual drive to the OS, ensuring that data frequently used resides on the fastest tier of storage. Intel Optane memory requires specific hardware and software configuration. Visit www.intel.com/OptaneMemory for configuration requirements." data-search-title="Intel Optane Memory Supported ‡ " data-search-icon="true" aria-label="Intel Optane Memory Supported ‡ "> | No |
| Intel Speed Shift Technology | No |
| Intel Turbo Boost Technology ‡ ‡ " data-info-description="Intel Turbo Boost Technology dynamically increases the processor's frequency as needed by taking advantage of thermal and power headroom to give you a burst of speed when you need it, and increased energy efficiency when you don’t." data-search-title="Intel Turbo Boost Technology ‡ " data-search-icon="true" aria-label="Intel Turbo Boost Technology ‡ "> | 2.0 |
| Intel Hyper-Threading Technology ‡ ‡ " data-info-description="Intel Hyper-Threading Technology (Intel HT Technology) delivers two processing threads per physical core. Highly threaded applications can get more work done in parallel, completing tasks sooner." data-search-title="Intel Hyper-Threading Technology ‡ " data-search-icon="true" aria-label="Intel Hyper-Threading Technology ‡ "> | Yes |
| Intel 64 ‡ ‡ " data-info-description="Intel 64 architecture delivers 64-bit computing on server, workstation, desktop and mobile platforms when combined with supporting software.¹ Intel 64 architecture improves performance by allowing systems to address more than 4 GB of both virtual and physical memory." data-search-title="Intel 64 ‡ " data-search-icon="true" aria-label="Intel 64 ‡ "> | Yes |
| Instruction Set | 64-bit |
| Instruction Set Extensions | Intel® AMX, Intel® SSE4.2, Intel® AVX, Intel® AVX2, Intel® AVX-512 |
| # of AVX-512 FMA Units | 2 |
| Enhanced Intel SpeedStep Technology | No |
| Integrated Intel QuickAssist Technology | Yes |
| Intel Volume Management Device (VMD) | Yes |
| Intel Trust Domain Extensions (Intel TDX) | Yes |
| Intel QuickAssist Software Acceleration | Yes |
| Intel Total Memory Encryption - Multi Key | Yes |
| Intel Total Memory Encryption | Yes |
| Intel AES New Instructions | Yes |
| Intel Software Guard Extensions (Intel SGX) | Yes with Intel® SPS |
| Intel Trusted Execution Technology ‡ ‡ " data-info-description="Intel Trusted Execution Technology for safer computing is a versatile set of hardware extensions to Intel processors and chipsets that enhance the digital office platform with security capabilities such as measured launch and protected execution. It enables an environment where applications can run within their own space, protected from all other software on the system." data-search-title="Intel Trusted Execution Technology ‡ " data-search-icon="true" aria-label="Intel Trusted Execution Technology ‡ "> | Yes |
| Execute Disable Bit ‡ ‡ " data-info-description="Execute Disable Bit is a hardware-based security feature that can reduce exposure to viruses and malicious-code attacks and prevent harmful software from executing and propagating on the server or network." data-search-title="Execute Disable Bit ‡ " data-search-icon="true" aria-label="Execute Disable Bit ‡ "> | Yes |
| Intel Boot Guard | Yes |
| Mode-based Execute Control (MBEC) | Yes |
| Intel Platform Firmware Resilience Support | Yes |
| Default Maximum Enclave Page Cache (EPC) Size for Intel SGX | 512 GB |
| Intel Crypto Acceleration | Yes |
| Intel Virtualization Technology (VT-x) ‡ ‡ " data-info-description="Intel Virtualization Technology (VT-x) allows one hardware platform to function as multiple “virtual” platforms. It offers improved manageability by limiting downtime and maintaining productivity by isolating computing activities into separate partitions." data-search-title="Intel Virtualization Technology (VT-x) ‡ " data-search-href="/content/www/us/en/ark/featurefilter.html?productType=873&2_VTX=True" data-search-icon="true" aria-label="Intel Virtualization Technology (VT-x) ‡ "> | Yes |
| Intel Virtualization Technology for Directed I/O (VT-d) ‡ ‡ " data-info-description="Intel Virtualization Technology for Directed I/O (VT-d) continues from the existing support for IA-32 (VT-x) and Itanium processor (VT-i) virtualization adding new support for I/O-device virtualization. Intel VT-d can help end users improve security and reliability of the systems and also improve performance of I/O devices in virtualized environments." data-search-title="Intel Virtualization Technology for Directed I/O (VT-d) ‡ " data-search-href="/content/www/us/en/ark/featurefilter.html?productType=873&0_VTD=True" data-search-icon="true" aria-label="Intel Virtualization Technology for Directed I/O (VT-d) ‡ "> | Yes |
| Intel VT-x with Extended Page Tables (EPT) ‡ ‡ " data-info-description="Intel VT-x with Extended Page Tables (EPT), also known as Second Level Address Translation (SLAT), provides acceleration for memory intensive virtualized applications. Extended Page Tables in Intel Virtualization Technology platforms reduces the memory and power overhead costs and increases battery life through hardware optimization of page table management." data-search-title="Intel VT-x with Extended Page Tables (EPT) ‡ " data-search-icon="true" aria-label="Intel VT-x with Extended Page Tables (EPT) ‡ "> | Yes |
Intel Xeon, Server CPUs
Intel Xeon 6556P-B Processor
The Intel Xeon 6556P-B Processor is a 36-core, 72-thread server CPU from the Intel Xeon 6 processor family (Granite Rapids-D), with 144 MB cache, 4-channel memory, PCIe Gen 4, Gen 5 and a 215 W TDP.
Overview
The Intel Xeon 6556P-B Processor is a 36-core, 72-thread server CPU from the Intel Xeon 6 processor family (Granite Rapids-D), built on the Intel 3 process, with 144 MB cache and a 215 W TDP. It supports 4 memory channels, DDR5 memory and up to 1.13 TB per processor, and provides PCIe Gen 4, Gen 5 with up to 48 lanes.
Key Features
- Performance: 36 cores and 72 threads, 2.3 GHz base frequency, 3.5 GHz max turbo frequency
- 144 MB cache, 215 W TDP, 1S (single socket) scalable
- Memory: memory speeds up to 6400 MT/s, 4 memory channels, up to 1.13 TB per processor, DDR5
- I/O: PCIe Gen 4, Gen 5, up to 48 lanes
- Acceleration: Intel AMX, Intel QuickAssist Technology (1 default devices), Intel Dynamic Load Balancer (1 default devices), Intel Data Streaming Accelerator (1 default devices)
- Security and virtualization: Intel Trust Domain Extensions, Total Memory Encryption (multi-key), Intel SGX, Intel AES-NI, Intel Boot Guard
- FCBGA4368 socket
- Launched Q1’25
Applications
- Virtualization, private cloud and container infrastructure
- In-memory databases and real-time analytics
- AI inference and machine learning serving
- HPC and data-intensive workloads
Configuration, availability and lead time depend on the required quantity, platform pairing and delivery destination. Send your requirement to receive a quotation.
