Intel Core Ultra 9 285K CPU – 36MB Cache, Up to 5.7GHz – Tray Version Desktop Processor
Product Description
Unleash next-generation power with the Intel® Core™ Ultra 9 285K, a flagship desktop processor built for extreme gaming, AI workloads, content creation, and high-performance computing. Experience cutting-edge hybrid architecture, fast DDR5 support, advanced AI acceleration, and unbeatable performance for modern systems.
Perfect for enthusiasts, professionals, and builders looking to maximize speed, efficiency, and future-proof capability.
✨ Key Features
⚡ 24 Cores Total (8 P-cores + 16 E-cores)
Boost Clock up to 5.7 GHz
36MB Intel Smart Cache + 40MB L2 Cache
Intel AI Boost NPU + Intel DL Boost
Intel Graphics (Xe-cores: 4, up to 2 GHz)
Supports up to 4 displays
PCIe 5.0 + PCIe 4.0 support
⚙️ Compatible with FCLGA1851 socket motherboards
Max operating temperature: 105°C
CPU Specifications
Total Cores: 24
Performance Cores: 8
Efficient Cores: 16
Total Threads: 24
Max Turbo Frequency: 5.7 GHz
P-core Base/Turbo: 3.7 / 5.5 GHz
E-core Base/Turbo: 3.2 / 4.6 GHz
Base Power: 125W
Max Turbo Power: 250W
Lithography: TSMC N3B
AI & GPU Performance
Integrated Intel Graphics
Base: 300 MHz
Max Dynamic: 2 GHz
GPU TOPS (Int8): 8
Max Resolution:
HDMI: 7680×4320 @ 60Hz
DP: 7680×4320 @ 60Hz
eDP: 3840×2400 @ 120Hz
AI Acceleration
Intel AI Boost NPU (13 TOPS)
Supports: OpenVINO™, WindowsML, DirectML, ONNX RT, WebNN, WebGPU
Windows Studio Effects supported
Memory Support
Max Memory Size: 256GB
Memory Type: DDR5 up to 6400 MT/s
Channels: 2
ECC Support: Yes
Connectivity & Expansion
PCI Express: Gen 5 / Gen 4 (up to 24 lanes)
Configurations: 1x16+2x4 / 2x8+2x4 / 1x8+4x4
Thunderbolt 4: Yes
DMI: Revision 4, 8 lanes
Security & Reliability
Intel vPro® Enterprise
Intel® AMT, TDT, ISM
Intel® Secure Key
Intel® Boot Guard
Intel® OS Guard
Intel® Control-Flow Enforcement
Total Memory Encryption – Multi-Key
VT-x, VT-d, EPT support
Package Information
Socket: FCLGA1851
Package Size: 45 mm × 37.5 mm
⚠️ Reminders:
1️⃣ Please record a full unboxing video as proof in case of issues.
2️⃣ Verify the delivery rider’s ID or take a photo with your payment for security.



