Memory | Memory channels | Octa-channel |
 | Maximum internal memory supported by processor | 6000 GB |
| Memory types supported by processor | DDR5-SDRAM |
| ECC | Yes |
Other features | Maximum internal memory | 4000 GB |
Processor special features | Intel® Hyper Threading Technology (Intel® HT Technology) | Yes |
| Intel® Turbo Boost Technology | 2.0 |
| Intel® AES New Instructions (Intel® AES-NI) | Yes |
| Intel Trusted Execution Technology | Yes |
| Intel® Speed Shift Technology | Yes |
| Intel® Transactional Synchronization Extensions | Yes |
| Intel® Total Memory Encryption | Yes |
| Intel® Control-flow Enforcement Technology (CET) | Yes |
| Intel® Crypto Acceleration | Yes |
| Intel® Platform Firmware Resilience Support | Yes |
| Maximum Enclave Size Support for Intel® SGX | 128 GB |
| Intel VT-x with Extended Page Tables (EPT) | Yes |
| Intel® OS Guard | Yes |
| Intel Software Guard Extensions (Intel SGX) | Yes |
| Intel 64 | Yes |
| Intel Virtualization Technology (VT-x) | Yes |
| Intel Virtualization Technology for Directed I/O (VT-d) | Yes |
| AVX-512 Fused Multiply-Add (FMA) units | 2 |
| Intel® Boot Guard | Yes |
| Intel® Deep Learning Boost (Intel® DL Boost) on CPU | Yes |
| Intel® Speed Select technology - Performance Profile (Intel® SST-PP) | Yes |
| Intel® Resource Director Technology (Intel® RDT) | Yes |
| Intel® Run Sure Technology | Yes |
| Mode-based Execute Control (MBE) | Yes |
| Intel® Optane™ DC Persistent Memory Supported | Yes |
| Intel® QuickAssist Software Acceleration | Yes |
| Intel® On Demand Feature Activation | Yes |
| Intel® Data Streaming Accelerator (DSA) | 1 default devices |
Logistics data | Harmonized System (HS) code | 8542310001 |
Features | Execute Disable Bit | Yes |
| Market segment | Server |
| Use conditions | Server/Enterprise |
| Maximum number of PCI Express lanes | 80 |
| PCI Express slots version | 5.0 |
| Supported instruction sets | AMX, SSE4.2, AVX, AVX 2.0, AVX-512 |
| Scalability | 1S |
| Embedded options available | Yes |
| Export Control Classification Number (ECCN) | 5A992C |
| Commodity Classification Automated Tracking System (CCATS) | G180729 |
Technical details | Package carrier | E1B |
| Launch date | Q1'23 |
| Status | Launched |
| Memory speed (max) | 4400 MHz |
Operational conditions | Tcase | 85 °C |
| DTS Max | 95 °C |
Processor | Processor family | Intel® Xeon® Gold |
| Processor cores | 32 |
| Processor socket | LGA 4677 (Socket E) |
| Processor manufacturer | Intel |
| Processor model | 6421N |
| Processor base frequency | 1.8 GHz |
| Processor operating modes | 64-bit |
| Processor generation | Intel Xeon Scalable 4th Gen |
| Processor threads | 64 |
| Processor boost frequency | 3.6 GHz |
| Processor cache | 60 MB |
| Thermal Design Power (TDP) | 185 W |
| Stepping | S3 |
| Processor codename | Sapphire Rapids |
| Processor ARK ID | 232395 |
Weight & dimensions | Processor package size | 77.5 x 56.5 mm |
Graphics | On-board graphics card model | Not available |
| Discrete graphics card model | Not available |