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Square green printed circuit board with silver metal heatspreader and gold contact pads visible on the underside

Intel

Intel Core i3-8350K desktop processor

SKU CH-GE2K-YXMJ3

Quad-core desktop CPU running at 4.0 GHz with 8 MB cache, unlocked multiplier, DDR4-2400 support and Intel UHD Graphics 630 for LGA 1151 300-series boards

  • Processors TypeDesktop
  • NameCore i3-8350K
  • CPU Socket TypeLGA 1151 (300 Series)
  • Core NameCoffee Lake
  • # of CoresQuad-Core
  • # of Threads4
  • Unlocked multiplier enables manual frequency tuning
  • Base clock of 4.0 GHz delivers strong single-thread responsiveness
  • 8 MB Smart Cache reduces latency for frequent data
  • Intel UHD Graphics 630 runs at up to 1150 MHz for display output
  • DDR4-2400 dual-channel support provides memory bandwidth headroom

Target Builder

The Intel Core i3-8350K is a quad-core desktop processor built on the Coffee Lake architecture. It runs at a fixed 4.0 GHz base frequency with an 8 MB Smart Cache and integrates Intel UHD Graphics 630. The unlocked multiplier allows manual frequency adjustments on compatible platforms.

Upgrade Path

This CPU replaces earlier dual-core i3 models by adding two physical cores while keeping the same LGA 1151 socket. The jump is worthwhile when moving to a 300 Series motherboard for DDR4-2400 support and Optane Memory readiness. It does not support Turbo Boost, so performance scales directly with the manual overclock applied.

Installation Notes

The processor drops into an LGA 1151 (300 Series) socket with zero force; alignment notches prevent incorrect seating. No cooler is bundled, so a separate 91W-rated solution must be sourced before first boot. Common issues include BIOS versions older than the 300 Series launch and forgetting to enable XMP for the DDR4-2400 memory kit.

Highlights

  • Unlocked multiplier enables manual frequency tuning
  • Base clock of 4.0 GHz delivers strong single-thread responsiveness
  • 8 MB Smart Cache reduces latency for frequent data
  • Intel UHD Graphics 630 runs at up to 1150 MHz for display output
  • DDR4-2400 dual-channel support provides memory bandwidth headroom

Specifications

BrandIntel
Processors TypeDesktop
SeriesCore i3 8th Gen
NameCore i3-8350K
ModelBX80684I38350K
CPU Socket TypeLGA 1151 (300 Series)
Core NameCoffee Lake
# of CoresQuad-Core
# of Threads4
Operating Frequency4.0 GHz
Max Turbo Frequency8 GT/s
L3 Cache8MB
Manufacturing Tech14nm
Instruction SetYes
Hyper-Threading SupportNo
Memory TypesDDR4 2400
Memory Channel2
Virtualization Technology SupportYes
Integrated GraphicsIntel UHD Graphics 630
Graphics Base Frequency350 MHz
Graphics Max Dynamic Frequency1.15 GHz
PCI Express Revision3.0
Max Number of PCI Express Lanes16
Thermal Design Power91W
Cooling DeviceCooling device not included - Processor Only
Operating System SupportedWindows 11

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