| Processor family | Intel Xeon W |
| Processor cores | 10 |
| Processor socket | LGA 2066 (Socket R4) |
| Processor lithography | 14 nm |
| Box | No |
| Cooler included | No |
| Processor manufacturer | Intel |
| Processor model | W-2255 |
| Processor base frequency | 3.7 GHz |
| Processor operating modes | 64-bit |
| Component for | Server/workstation |
| Processor threads | 20 |
| System bus rate | 8 GT/s |
| Processor boost frequency | 4.5 GHz |
| Processor cache | 19.25 MB |
| Thermal Design Power (TDP) | 165 W |
| Memory bandwidth supported by processor (max) | 93.85 GB/s |
| Processor codename | Cascade Lake |
| Processor ARK ID | 198016 |
| Memory channels | Quad-channel |
| Maximum internal memory supported by processor | 1.02 TB |
| Memory types supported by processor | DDR4-SDRAM |
| Memory clock speeds supported by processor | 2933 MHz |
| ECC | Yes |
| On-board graphics card | No |
| Discrete graphics card | No |
| On-board graphics card model | Not available |
| Discrete graphics card model | Not available |
| Execute Disable Bit | Yes |
| Idle States | Yes |
| Thermal Monitoring Technologies | Yes |
| Market segment | Workstation |
| Maximum number of PCI Express lanes | 48 |
| PCI Express slots version | 3.0 |
| Supported instruction sets | SSE4.2, AVX, AVX 2.0, AVX-512 |
| Scalability | 1S |
| Physical Address Extension (PAE) | Yes |
| CPU configuration (max) | 1 |
| Embedded options available | No |
| Physical Address Extension (PAE) | 46 bit |
| PCI Express CEM revision | 3.0 |
| Export Control Classification Number (ECCN) | 5A992C |
| Commodity Classification Automated Tracking System (CCATS) | G077159 |
| Intel® Hyper Threading Technology (Intel® HT Technology) | Yes |
| Intel® Identity Protection Technology (Intel® IPT) | 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® Memory Protection Extensions (Intel® MPX) | Yes |
| Intel® Speed Shift Technology | Yes |
| Intel® Turbo Boost Max Technology 3.0 frequency | 4.7 GHz |
| Intel® Transactional Synchronization Extensions | Yes |
| Intel VT-x with Extended Page Tables (EPT) | Yes |
| Intel Demand Based Switching | Yes |
| Intel® Secure Key | Yes |
| Intel TSX-NI | Yes |
| Intel® OS Guard | Yes |
| Intel Software Guard Extensions (Intel SGX) | No |
| Intel 64 | Yes |
| Intel Virtualization Technology (VT-x) | Yes |
| Intel Virtualization Technology for Directed I/O (VT-d) | Yes |
| Intel Turbo Boost Max Technology 3.0 | Yes |
| Intel® Optane™ Memory Ready | No |
| AVX-512 Fused Multiply-Add (FMA) units | 2 |
| Intel® Boot Guard | Yes |
| Intel® Deep Learning Boost (Intel® DL Boost) | Yes |
| Intel® Volume Management Device (VMD) | Yes |
| Intel® vPro™ Platform Eligibility | Yes |
| Tcase | 62 °C |
| Product type | Processor |
| Supported memory types | DDR4-SDRAM |
| Harmonized System (HS) code | 85423119 |
| Processor package size | 45mm x 52.5mm |
| Maximum internal memory | 1 TB |
| Launch date | Q4'19 |
| Status | Launched |
| Bus speed | 8 GT/s |
| Description |
| Intel Xeon W-2255. Processor family: Intel Xeon W, Processor socket: LGA 2066 (Socket R4), Processor lithography: 14 nm. Memory channels: Quad-channel, Maximum internal memory supported by processor: 1.02 TB, Memory types supported by processor: DDR4-SDRAM. Market segment: Workstation, Supported instruction sets: SSE4.2, AVX, AVX 2.0, AVX-512, Scalability: 1S. Intel® Turbo Boost Max Technology 3.0 frequency: 4.7 GHz. Processor package size: 45mm x 52.5mm |
