| Maximum internal memory | 4 TB |
| Supported instruction sets | AMX, SSE4.2, AVX, AVX 2.0, AVX-512 |
| Processor generation | Intel Xeon Scalable 4th Gen |
| Commodity Classification Automated Tracking System (CCATS) | G180729 |
| Memory speed (max) | 4400 MHz |
| Maximum Enclave Size Support for Intel® SGX | 128 GB |
| Intel® QuickAssist Software Acceleration | Y |
| Intel® On Demand Feature Activation | Y |
| Intel® Data Streaming Accelerator (DSA) | 1 default devices |
| DTS Max | 95 °C |
| Package carrier | E1B |
| Processor base frequency | 1.8 GHz |
| Launch date | Q1'23 |
| Use conditions | Server/Enterprise |
| Intel® Speed Select technology - Performance Profile (Intel® SST-PP) | Y |
| Intel® Total Memory Encryption | Y |
| Intel® Crypto Acceleration | Y |
| Intel® Platform Firmware Resilience Support | Y |
| Intel® Control-flow Enforcement Technology (CET) | Y |
| On-board graphics card | N |
| Discrete graphics card model | Not available |
| Tcase | 85 °C |
| Discrete graphics card | N |
| Intel Software Guard Extensions (Intel SGX) | Y |
| Harmonized System (HS) code | 8542310001 |
| Box | N |
| Market segment | Server |
| Status | Launched |
| Export Control Classification Number (ECCN) | 5A992C |
| Intel® Transactional Synchronization Extensions | Y |
| Intel® Boot Guard | Y |
| Intel® Speed Shift Technology | Y |
| AVX-512 Fused Multiply-Add (FMA) units | 2 |
| Intel® Run Sure Technology | Y |
| Mode-based Execute Control (MBE) | Y |
| Intel® Deep Learning Boost (Intel® DL Boost) | Y |
| Intel® Resource Director Technology (Intel® RDT) | Y |
| Intel® Optane™ DC Persistent Memory Supported | Y |
| ECC | Y |
| Memory channels | Octa-channel |
| Processor ARK ID | 232395 |
| Processor model | 6421N |
| Processor cache | 60 MB |
| Processor codename | Sapphire Rapids |
| Processor socket | FCLGA4677 |
| Stepping | S3 |
| Maximum internal memory supported by processor | 6 TB |
| Processor cores | 32 |
| Processor threads | 64 |
| PCI Express slots version | 5.0 |
| Processor package size | 77.5 x 56.5 mm |
| Thermal Design Power (TDP) | 185 W |
| Processor family | Intel® Xeon® Gold |
| Processor manufacturer | Intel |
| Processor boost frequency | 3.6 GHz |
| Processor operating modes | 64-bit |
| Scalability | 1S |
| On-board graphics card model | Not available |
| Maximum number of PCI Express lanes | 80 |
| Memory types supported by processor | DDR5-SDRAM |
| Embedded options available | Y |
| Execute Disable Bit | Y |
| Intel 64 | Y |
| Intel Trusted Execution Technology | Y |
| Intel Virtualization Technology (VT-x) | Y |
| Intel VT-x with Extended Page Tables (EPT) | Y |
| Intel® AES New Instructions (Intel® AES-NI) | Y |
| Intel® OS Guard | Y |
| Intel® Turbo Boost Technology | 2.0 |