Technical specifications
Processor
| Processor manufacturer | Intel |
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| Processor generation | Intel Xeon Scalable 4th Gen |
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| Processor model | 6426Y |
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| Processor base frequency | 2.5 GHz |
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| Processor family | Intel® Xeon® Gold |
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| Processor cores | 16 |
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| Processor socket | LGA 4677 (Socket E) |
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| Processor threads | 32 |
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| System bus rate | 16 GT/s |
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| Processor operating modes | 64-bit |
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| Processor boost frequency | 4.1 GHz |
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| High priority cores | 4 |
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| High priority core frequency | 2.7 GHz |
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| Low priority cores | 12 |
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| Processor cache | 37.5 MB |
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| Thermal Design Power (TDP) | 185 W |
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| Package type | Tray |
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| Stepping | S3 |
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| Processor codename | Sapphire Rapids |
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| Processor ARK ID | 232377 |
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Memory
| Maximum internal memory supported by processor | 6 TB |
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| Memory types supported by processor | DDR4-SDRAM |
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| Memory channels | Octa-channel |
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| ECC | Yes |
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Graphics
| On-board graphics card | No |
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| Discrete graphics card | No |
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| On-board graphics card model | Not available |
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| Discrete graphics card model | Not available |
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Features
| Execute Disable Bit | Yes |
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| Market segment | Server |
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| Use conditions | Server/Enterprise |
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| Maximum number of PCI Express lanes | 80 |
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| PCI Express slots version | 5.0 |
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| Supported instruction sets | AMX, SSE4.2, AVX, AVX 2.0, AVX-512 |
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| Scalability | 2S |
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| Embedded options available | Yes |
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| Export Control Classification Number (ECCN) | 5A992C |
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| Commodity Classification Automated Tracking System (CCATS) | G180729 |
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Processor special features
| Intel® Hyper Threading Technology (Intel® HT Technology) | Yes |
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| Intel® Turbo Boost Technology | 2.0 |
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| Intel® AES New Instructions (Intel® AES-NI) | Yes |
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| Intel Trusted Execution Technology | Yes |
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| Intel® Speed Shift Technology | Yes |
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| Intel® Transactional Synchronization Extensions | Yes |
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| Intel® Total Memory Encryption | Yes |
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| Intel® Control-flow Enforcement Technology (CET) | Yes |
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| Intel® Crypto Acceleration | Yes |
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| Intel® Platform Firmware Resilience Support | Yes |
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| Maximum Enclave Size Support for Intel® SGX | 128 GB |
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| Intel VT-x with Extended Page Tables (EPT) | Yes |
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| Intel® OS Guard | Yes |
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| Intel Software Guard Extensions (Intel SGX) | Yes |
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| Intel 64 | Yes |
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| Intel Virtualization Technology (VT-x) | Yes |
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| Intel Virtualization Technology for Directed I/O (VT-d) | Yes |
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| AVX-512 Fused Multiply-Add (FMA) units | 2 |
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| Intel® Boot Guard | Yes |
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| Intel® Deep Learning Boost (Intel® DL Boost) on CPU | Yes |
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| Intel® Speed Select technology - Performance Profile (Intel® SST-PP) | Yes |
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| Intel® Resource Director Technology (Intel® RDT) | Yes |
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| Intel® Run Sure Technology | Yes |
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| Mode-based Execute Control (MBE) | Yes |
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| Intel® Optane™ DC Persistent Memory Supported | Yes |
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| Intel® Speed Select Technology - Base Frequency (Intel® SST-BF) | Yes |
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| Intel® QuickAssist Software Acceleration | Yes |
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| Intel® On Demand Feature Activation | Yes |
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| Intel® Data Streaming Accelerator (DSA) | 1 default devices |
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| Intel® Advanced Matrix Extensions (AMX) | Yes |
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Operational conditions
Technical details
| Launch date | Q1'23 |
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| Status | Launched |
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| Supported memory types | DDR4-SDRAM |
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| Memory speed (max) | 4800 MHz |
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| Number of UPI links | 3 |
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| Package carrier | E1B |
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Weight & dimensions
| Processor package size | 77.5 x 56.5 mm |
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FL112118199
2026-12-01
Data sheet
- Processor brand
- Intel
- Memory type
- DDR4-SDRAM
Specific References
- MPN
- 4XG7A85288