The ST550 supports the Bronze, Silver, Gold, and Platinum level processors in the family of second-generation Intel Xeon Scalable processors.
Memory | Memory channels | Hexa-channel |
 | Maximum internal memory supported by processor | 1000 GB |
| Memory types supported by processor | DDR4-SDRAM |
| Memory clock speeds supported by processor | 2667 MHz |
| ECC | Yes |
Other features | Compatibility | ThinkSystem ST550 |
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 |
| Enhanced Intel SpeedStep Technology | Yes |
| Intel Trusted Execution Technology | Yes |
| Intel® Speed Shift Technology | Yes |
| Intel VT-x with Extended Page Tables (EPT) | Yes |
| Intel TSX-NI | 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 | 1 |
| Intel® vPro™ Platform Eligibility | Yes |
Features | Execute Disable Bit | Yes |
| Market segment | Server |
| Maximum number of PCI Express lanes | 48 |
| PCI Express slots version | 3.0 |
| Supported instruction sets | AVX-512 |
| Scalability | 4S |
| Intel® Optane™ Memory module included | Yes |
Technical details | Intel® Run Sure Technology version | Yes |
| Intel® Volume Management Device (VMD) version | Yes |
| Mode-based Execute Control (MBE) version | Yes |
| Number of UPI links | 2 |
Operational conditions | Tcase | 87 °C |
Processor | Processor family | Intel® Xeon® Gold |
| Processor cores | 16 |
| Processor socket | LGA 3647 (Socket P) |
| Processor lithography | 14 nm |
| Processor model | 5218B |
| Processor base frequency | 2.3 GHz |
| Processor operating modes | 64-bit |
| Processor generation | 2nd Generation Intel® Xeon® Scalable |
| Component for | Server/workstation |
| Processor series | Intel Xeon Gold 5000 Series |
| Processor threads | 32 |
| Processor boost frequency | 3.9 GHz |
| Processor cache | 22 MB |
| Processor cache type | L3 |
| Thermal Design Power (TDP) | 125 W |
| Stepping | L1 |
| Bus type | UPI |
| Processor codename | Cascade Lake |