Brand: Intel | Category: CPUs
SKU: INTE-COREULTRA9285K | Part #: BX80768285K | MPN: BX80768285K
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The Intel Core Ultra 9 Processor 285K is the pinnacle of Intel's Arrow Lake-S desktop platform, built on a disaggregated multi-tile architecture that combines a compute tile manufactured on Intel 20A-derived process technology with an I/O tile on TSMC N6. The processor features 8 Performance-cores (P-cores) running up to 5.7 GHz and 16 Efficient-cores (E-cores) totaling 24 cores and 24 threads — a deliberate architectural shift that prioritizes high-density multi-threaded throughput alongside single-threaded bursts. Critically, Arrow Lake eliminates Hyper-Threading on P-cores to reduce scheduler overhead in latency-sensitive workloads, while the expanded E-core cluster handles background and parallel tasks with exceptional power efficiency.
What distinguishes the 285K within the enterprise desktop and professional workstation segment is the integration of Intel's Neural Processing Unit (NPU), delivering up to 13 TOPS of dedicated AI inference compute. Combined with up to 67 TOPS of total platform AI performance when the integrated Intel Arc GPU and CPU vector engines are included, the 285K is designed to run on-device AI models — including large language model inferencing, image generation pipelines, and real-time speech recognition — without offloading to a discrete accelerator. This makes it particularly compelling for AI developers, data scientists, and creative professionals who require low-latency local inference alongside high-bandwidth CPU compute.
The 285K pairs with the Intel 800-series chipset (Z890) platform, supporting DDR5-6400 memory in dual-channel configuration and PCIe 5.0 x16 plus PCIe 4.0 lanes for contemporary GPU and NVMe storage connectivity. The processor's 125 W base power (PBP) scales up to 250 W maximum turbo power (MTP), and it ships with an unlocked multiplier enabling full overclocking headroom on compatible motherboards. Intel Thread Director continues to intelligently distribute workloads across the heterogeneous core topology, ensuring operating systems schedule threads optimally without developer intervention.
| Manufacturer | Intel |
| Product Line | Intel Core Ultra 9 (Series 2) |
| Processor Number | 285K |
| Codename | Arrow Lake-S |
| Socket | LGA1851 |
| Total Cores | 24 (8 P-cores + 16 E-cores) |
| Total Threads | 24 |
| P-core Base Frequency | 3.7 GHz |
| P-core Maximum Turbo Frequency | 5.7 GHz |
| E-core Base Frequency | 3.2 GHz |
| E-core Maximum Turbo Frequency | 4.6 GHz |
| Total L2 Cache | 40 MB |
| Total L3 Cache (Intel Smart Cache) | 36 MB |
| Processor Base Power (PBP) | 125 W |
| Maximum Turbo Power (MTP) | 250 W |
| Supported Memory Type | DDR5 |
| Maximum Memory Speed | DDR5-6400 (native) |
| Maximum Memory Capacity | 192 GB |
| Memory Channels | Dual-Channel |
| PCIe Revision | PCIe 5.0 (x16 CPU) + PCIe 4.0 (chipset via Z890) |
| Integrated Graphics | Intel Arc Graphics (4 Xe-cores) |
| NPU | Intel AI Boost NPU — up to 13 TOPS |
| Total Platform AI Performance | Up to 67 TOPS (CPU + GPU + NPU combined) |
| Hyper-Threading Technology | Not supported (P-cores are single-threaded per core) |
| Overclocking Support | Yes (unlocked multiplier) |
| Compatible Chipset | Intel Z890 |
| Lithography | Intel 20A (Compute Tile) / TSMC N6 (I/O Tile) |
| Launch Date | Q4 2024 |
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| Brand | Intel |
| Category | CPUs |
| SKU | INTE-COREULTRA9285K |
| Part Number | BX80768285K |
| Condition | New |
| Product Line | Intel Core Ultra 9 (Series 2) |
| Processor Number | 285K |
| Codename | Arrow Lake-S |
| Socket | LGA1851 |
| Total Cores | 24 (8 P-cores + 16 E-cores) |
| Total Threads | 24 |
| P-core Base Frequency | 3.7 GHz |
| P-core Maximum Turbo Frequency | 5.7 GHz |
| E-core Base Frequency | 3.2 GHz |
| E-core Maximum Turbo Frequency | 4.6 GHz |
| Total L2 Cache | 40 MB |
| Total L3 Cache (Intel Smart Cache) | 36 MB |
| Processor Base Power (PBP) | 125 W |
| Maximum Turbo Power (MTP) | 250 W |
| Supported Memory Type | DDR5 |
| Maximum Memory Speed | DDR5-6400 (native) |
| Maximum Memory Capacity | 192 GB |
| Memory Channels | Dual-Channel |
| PCIe Revision | PCIe 5.0 (x16 CPU) + PCIe 4.0 (chipset via Z890) |
| Integrated Graphics | Intel Arc Graphics (4 Xe-cores) |
| NPU | Intel AI Boost NPU — up to 13 TOPS |
| Total Platform AI Performance | Up to 67 TOPS (CPU + GPU + NPU combined) |
| Hyper-Threading Technology | Not supported (P-cores are single-threaded per core) |
| Overclocking Support | Yes (unlocked multiplier) |
| Compatible Chipset | Intel Z890 |
| Lithography | Intel 20A (Compute Tile) / TSMC N6 (I/O Tile) |
| Launch Date | Q4 2024 |
The Intel Core Ultra 9 Processor 285K is enterprise IT hardware deployed in production data centers, server rooms, and edge sites across the GCC and EMEA region.
The Intel Core Ultra 9 Processor 285K is enterprise IT hardware deployed in production data centers, server rooms, and edge sites across the GCC and EMEA region.
The Intel Core Ultra 9 Processor 285K is enterprise IT hardware deployed in production data centers, server rooms, and edge sites across the GCC and EMEA region.
Key specifications for the Intel Core Ultra 9 Processor 285K: new condition; manufacturer Intel; product line Intel Core Ultra 9 (Series 2); processor number 285K; codename Arrow Lake-S; socket LGA1851; total cores 24 (8 P-cores + 16 E-cores). Manufacturer part number BX80768285K. For the full datasheet with electrical, environmental, and compliance details, contact our pre-sales engineering team.
Key specifications for the Intel Core Ultra 9 Processor 285K: new condition; manufacturer Intel; product line Intel Core Ultra 9 (Series 2); processor number 285K; codename Arrow Lake-S; socket LGA1851; total cores 24 (8 P-cores + 16 E-cores). Manufacturer part number BX80768285K. For the full datasheet with electrical, environmental, and compliance details, contact our pre-sales engineering team.