Intel Core Ultra 5 250K Plus LGA1851 Desktop Processor, 18 Cores, Up to 5.3GHz, 30MB Cache, DDR5-7200, Intel Graphics, 30 TOPS AI, PCIe 5.0, Thunderbolt 4 and 159W Turbo Power | BOXED
234 $
Categories: COMPUTER PARTS, CPUs / Processors, Intel® Processors
Expert Features
- 18-Core Arrow Lake Power : Combines 6 Performance-cores and 12 Efficient-cores for 18 total cores and 18 threads, adding four E-cores over the previous Core Ultra 5 245K for stronger multitasking, gaming, streaming, and creation workloads.
- Up to 5.3GHz Turbo Performance : Performance-cores reach up to 5.3GHz, while Efficient-cores boost up to 4.6GHz, giving demanding games and responsive desktop applications serious single-core speed without sacrificing background-task muscle.
- 30MB Smart Cache and 30MB L2 : A large 30MB Intel Smart Cache works alongside 30MB of total L2 cache to keep frequently used game data, application instructions, and processor workloads close to the cores.
- Unlocked K-Series Tuning : Designed for enthusiast desktop systems with support for Intel Extreme Memory Profile, Intel Application Optimization, and the new Intel Binary Optimization Tool for compatible games and supported configurations. Overclocking results depend on the motherboard, cooling, BIOS, and silicon quality.
- Built-In AI Acceleration : Delivers up to 30 overall peak INT8 TOPS through CPU, integrated graphics, and the Intel AI Boost NPU, enabling compatible AI workloads without dumping every smart background feature onto the CPU cores.
- Dedicated Intel AI Boost NPU : The integrated NPU supplies up to 13 INT8 TOPS with sparsity and Windows Studio Effects support for compatible AI-enhanced communication, productivity, and creative applications.
- DDR5-7200 Memory Support : Supports up to 256GB of dual-channel DDR5 memory at up to 7200MT/s, including ECC memory support when paired with compatible motherboard hardware and memory modules.
- LGA1851 Desktop Platform : Uses the FCLGA1851 socket and maintains compatibility with Intel 800-series chipset motherboards, although a motherboard BIOS update may be required for the Plus-series processor.
- PCIe 5.0 and 4.0 Expansion : Provides up to 24 processor PCIe lanes with flexible configurations including x16 graphics plus dual x4 connections for high-speed GPUs and NVMe storage.
- Integrated Intel Graphics : Includes four Xe cores running up to 1.9GHz, supporting up to four displays, 8K output, DirectX 12, Intel Quick Sync Video, and hardware H.264, HEVC, and AV1 encoding and decoding.
- Creator-Friendly Media Engine : Hardware AV1, HEVC, and H.264 encode/decode acceleration helps compatible video-editing, recording, streaming, and media-conversion applications work more efficiently.
- Integrated Thunderbolt 4 Support : Intel officially lists integrated Thunderbolt 4 support; Thunderbolt 5 requires a compatible discrete motherboard implementation and should not be presented as an integrated CPU feature.
- 125W Enthusiast Power Class : Operates with a 125W processor base power and up to 159W maximum turbo power, making a high-quality LGA1851 motherboard and capable CPU cooler essential—not optional decoration.
- Intel vPro Enterprise Eligible : Supports Intel AMT, Threat Detection Technology, Remote Platform Erase, One-Click Recovery, SIPP, advanced encryption, and virtualization technologies when paired with an eligible business platform.
- No Hyper-Threading Architecture : Runs one thread per Performance-core and Efficient-core for 18 total threads, using Intel Thread Director to help compatible operating systems distribute work across the hybrid core layout.






Expert Specs
| Specification | Value |
|---|---|
| Brand | Intel |
| Product Family | Intel Core Ultra 5 |
| Product Collection | Intel Core Ultra Processors Series 2 |
| Exact Processor | Intel Core Ultra 5 Processor 250K Plus |
| Processor Number | 250K PLUS |
| Code Name | Products Formerly Arrow Lake |
| Vertical Segment | Desktop |
| Architecture Revision | Arrow Lake Refresh / Core Ultra 200S Plus |
| Marketing Status | Launched |
| Launch Quarter | Q1 2026 |
| Retail Availability Date | March 26, 2026 |
| Total Cores | 18 |
| Performance-Cores | 6 |
| Efficient-Cores | 12 |
| Low-Power Efficient-Cores | 0 |
| Total Threads | 18 |
| Hyper-Threading | No |
| Maximum Turbo Frequency | Up to 5.3GHz |
| Performance-Core Maximum Turbo | Up to 5.3GHz |
| Efficient-Core Maximum Turbo | Up to 4.6GHz |
| Performance-Core Base Frequency | 4.2GHz |
| Efficient-Core Base Frequency | 3.3GHz |
| Intel Smart Cache | 30MB |
| Total L2 Cache | 30MB |
| Processor Base Power | 125W |
| Maximum Turbo Power | 159W |
| Maximum Operating Temperature | 105°C |
| CPU Lithography | TSMC N3B |
| Overall Peak AI Performance | Up to 30 INT8 TOPS |
| CPU AI Acceleration | Intel Deep Learning Boost |
| CPU AI Frameworks | OpenVINO, WindowsML, DirectML, ONNX Runtime and WebNN |
| NPU | Intel AI Boost |
| NPU Peak Performance | Up to 13 INT8 TOPS |
| NPU Sparsity Support | Yes |
| Windows Studio Effects | Supported |
| NPU AI Frameworks | OpenVINO, WindowsML, DirectML, ONNX Runtime and WebNN |
| Maximum Memory Capacity | 256GB |
| Supported Memory Type | DDR5 |
| Maximum Official Memory Speed | Up to DDR5-7200MT/s |
| Maximum Memory Channels | 2 |
| ECC Memory Support | Yes, With Compatible Platform Hardware |
| Intel XMP Support | Yes, Platform and Memory Dependent |
| Integrated GPU | Intel Graphics |
| GPU Xe-Cores | 4 |
| Graphics Base Frequency | 300MHz |
| Graphics Maximum Dynamic Frequency | 1.9GHz |
| GPU Peak AI Performance | Up to 8 INT8 TOPS |
| GPU Display Outputs | eDP 1.4b, DisplayPort 2.1 UHBR20 and HDMI 2.1 FRL |
| Maximum HDMI Resolution | 4096 × 2304 at 60Hz Through HDMI 2.1 TMDS |
| Maximum HDMI FRL Resolution | 7680 × 4320 at 60Hz |
| Maximum DisplayPort Resolution | 7680 × 4320 at 60Hz |
| Maximum eDP Resolution | 3840 × 2400 at 120Hz |
| Maximum Supported Displays | 4 |
| DirectX Support | DirectX 12 |
| OpenGL Support | OpenGL 4.5 |
| OpenCL Support | OpenCL 3 |
| H.264 Hardware Encode/Decode | Yes |
| H.265 / HEVC Hardware Encode/Decode | Yes |
| AV1 Hardware Encode/Decode | Yes |
| Intel Quick Sync Video | Yes |
| GPU Intel Deep Learning Boost | Yes |
| GPU AI Frameworks | OpenVINO, WindowsML, DirectML, ONNX Runtime and WebGPU |
| GPU Device ID | 0x7D67 |
| CPU Socket | FCLGA1851 / LGA1851 |
| Package Size | 45 × 37.5mm |
| Thermal Solution Specification | PCG 2020A |
| Compatible Chipset Family | Intel 800-Series, Subject to Motherboard and BIOS Support |
| DMI Revision | DMI 4.0 |
| Maximum DMI Lanes | 8 |
| PCI Express Revision | PCIe 5.0 and PCIe 4.0 |
| Maximum CPU PCIe Lanes | 24 |
| PCIe Configurations | Up to 1×16 + 2×4, 2×8 + 2×4 or 1×8 + 4×4 |
| Integrated Thunderbolt Support | Thunderbolt 4 |
| Thunderbolt 5 | Discrete Platform Support Only; Requires Compatible Motherboard Hardware |
| Scalability | 1S Only |
| Intel Gaussian and Neural Accelerator | Version 3.5 |
| Intel Thread Director | Yes |
| Intel Speed Shift Technology | Yes |
| Intel Turbo Boost Technology | Version 2.0 |
| Intel 64 | Yes |
| Instruction Set | 64-Bit |
| Instruction-Set Extensions | Intel SSE4.1, SSE4.2 and AVX2 |
| Idle States | Yes |
| Enhanced Intel SpeedStep | Yes |
| Thermal Monitoring Technologies | Yes |
| Intel Volume Management Device | Yes |
| Intel vPro Eligibility | Intel vPro Enterprise |
| Intel Threat Detection Technology | Yes |
| Intel Active Management Technology | Yes |
| Intel Standard Manageability | Yes |
| Intel Remote Platform Erase | Yes |
| Intel One-Click Recovery | Yes |
| Intel Secure Key | Yes |
| Control-Flow Enforcement Technology | Yes |
| Total Memory Encryption Multi-Key | Yes |
| Intel AES New Instructions | Yes |
| Intel Trusted Execution Technology | Yes |
| Execute Disable Bit | Yes |
| Intel OS Guard | Yes |
| Intel Boot Guard | Yes |
| Mode-Based Execute Control | Yes |
| Intel Stable IT Platform Program | Yes |
| Virtualization With Redirect Protection | Yes |
| Intel Virtualization Technology VT-x | Yes |
| Intel Virtualization for Directed I/O VT-d | Yes |
| VT-x With Extended Page Tables | Yes |
| Embedded Options Available | No |
| Use Conditions | PC, Client, Tablet and Workstation |
| Boxed Ordering Code | BX80768250K |
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