Essentials

• Product Collection8th Generation Intel® Core™ i5 Processors
• Code NameProducts formerly Coffee Lake
• Vertical SegmentDesktop
• Processor Number i5-8400T
• Lithography 14 nm

CPU Specifications

• Total Cores 6
• Total Threads 6
• Max Turbo Frequency 3.30 GHz
• Intel® Turbo Boost Technology 2.0 Frequency‡ 3.30 GHz
• Processor Base Frequency 1.70 GHz
• Cache 9 MB Intel® Smart Cache
• Bus Speed 8 GT/s
• TDP 35 W
• Configurable TDP-down Base Frequency 1.20 GHz
• Configurable TDP-down 25 W

Supplemental Information

• Marketing StatusDiscontinued
• Launch Date Q2’18
• Embedded Options Available No
• DatasheetView now
• Memory Specifications
• Max Memory Size (dependent on memory type) 128 GB
• Memory Types DDR4-2666
• Max # of Memory Channels 2
• Max Memory Bandwidth 41.6 GB/s
• ECC Memory Supported ‡ No

Memory Specifications

• Max Memory Size (dependent on memory type) 64 GB
• Memory Types DDR4-2400
• Max # of Memory Channels 2
• Max Memory Bandwidth 37.5 GB/s
• ECC Memory Supported ‡ Yes

GPU Specifications

• GPU Name‡ Intel® UHD Graphics 630
• Graphics Base Frequency 350 MHz
• Graphics Max Dynamic Frequency 1.05 GHz
• Graphics Video Max Memory 64 GB
• 4K Support Yes, at 60Hz
• Max Resolution (HDMI)‡ 4096×2304@24Hz
• Max Resolution (DP)‡ 4096×2304@60Hz
• Max Resolution (eDP – Integrated Flat Panel)‡ 4096×2304@60Hz
• DirectX* Support 12
• OpenGL* Support 4.5
• Intel® Quick Sync Video Yes
• Intel® InTru™ 3D Technology Yes
• Intel® Clear Video HD Technology Yes
• Intel® Clear Video Technology Yes
• # of Displays Supported ‡3
• Device ID0x3E92

Expansion Options

• Scalability1S Only
• PCI Express Revision 3.0
• PCI Express Configurations ‡ Up to 1×16, 2×8, 1×8+2×4
• Max # of PCI Express Lanes 16

Advanced Technologies

• Intel® Optane™ Memory Supported ‡ Yes
• Intel® Turbo Boost Technology ‡ 2.0
• Intel® Hyper-Threading Technology ‡ No
• Intel® Transactional Synchronization Extensions No
• Intel® 64 ‡ Yes
• Instruction Set 64-bit
• Instruction Set Extensions Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2
• Idle States Yes
• Enhanced Intel SpeedStep® Technology Yes
• Thermal Monitoring Technologies Yes
• Intel® Identity Protection Technology ‡ Yes

Security & Reliability

• Intel® AES New Instructions Yes
• Secure Key Yes
• Intel® Software Guard Extensions (Intel® SGX) Yes with Intel® ME
• Intel® Memory Protection Extensions (Intel® MPX) Yes
• Intel® OS GuardYes
• Intel® Trusted Execution Technology ‡ No
• Execute Disable Bit ‡ Yes
• Intel® Boot Guard Yes
• Intel® Stable IT Platform Program (SIPP) No
• Intel® Virtualization Technology (VT-x) ‡ Yes
• Intel® Virtualization Technology for Directed I/O (VT-d) ‡ Yes
• Intel® VT-x with Extended Page Tables (EPT) ‡ Yes

Warranty Information

• Warranty 1 Year