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Intel Core i7-7800X desktop processor in LGA 2066 package

Intel

Intel Core i7-7800X 6-Core 3.5 GHz LGA 2066 140W BX80673I77800X cpu accessory

SKU CH-2NQN-64QWA

Six-core desktop processor with 3.5 GHz base clock, 4.0 GHz turbo, 8.25 MB L3 cache and 28 PCIe 3.0 lanes for LGA 2066 platforms

  • 6 cores and 12 threads handle heavy multitasking
  • Base 3.5 GHz up to 4.0 GHz turbo for responsive speed
  • 28 PCIe 3.0 lanes support multi-GPU and fast storage
  • Quad-channel DDR4-2666 memory bandwidth for large workloads
  • Unlocked multiplier allows overclocking on X299 platform

Six-core LGA 2066 desktop processor

The Intel Core i7-7800X is a six-core, twelve-thread CPU built for the LGA 2066 socket and X299 chipset platform. It runs at a 3.5 GHz base frequency and can reach 4.0 GHz with Turbo Boost 2.0. The unlocked multiplier allows overclocking on compatible motherboards. This processor targets content creators and enthusiasts who need high core counts for rendering, encoding and multitasking workloads.

Suited to X299 builds needing unlocked cores

This chip suits builders assembling a high-end desktop on the X299 platform who want an unlocked six-core option with quad-channel DDR4 support and 28 PCIe 3.0 lanes. Buyers who need more than six cores for heavier parallel workloads, or who prefer a platform with integrated graphics, should consider other options. The 140 W TDP also means it is not a fit for low-power or compact chassis designs.

140 W TDP requires capable cooling

The processor carries a 140 W thermal design power and ships without a cooler in the box. A robust air tower or liquid cooler rated for at least that heat output is essential to maintain stable boost clocks. Motherboard VRM quality and case airflow must also match the thermal load, otherwise the CPU will throttle under sustained all-core workloads.

Highlights

  • 6 cores and 12 threads handle heavy multitasking
  • Base 3.5 GHz up to 4.0 GHz turbo for responsive speed
  • 28 PCIe 3.0 lanes support multi-GPU and fast storage
  • Quad-channel DDR4-2666 memory bandwidth for large workloads
  • Unlocked multiplier allows overclocking on X299 platform

Specifications

No published specifications for this item yet.

Questions about this item

How do I install the Core i7-7800X into the LGA 2066 socket, and what step do builders often get wrong?

Align the processor triangle with the socket marker, lower it straight down without pressure, then close the load plate and engage the lever; the common mistake is forcing the chip before the notches are fully seated, which can bend socket pins.

What maintenance or replacement will the Core i7-7800X need later, given that no cooling device is included?

You must supply a 140 W-rated cooler and replace its thermal paste every few years; the processor itself has no serviceable parts, but dust buildup on the heatsink will raise temperatures under sustained 3.5 GHz to 4.0 GHz loads.

What limit appears first when the Core i7-7800X runs at full load for extended periods?

The 140 W TDP ceiling is reached before the 4.0 GHz turbo can be sustained across all 6 cores, so the processor throttles back toward the 3.5 GHz base frequency once the cooling solution saturates.

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