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Intel Boxed Core i7-6900K Processor (20M Cache, up to 3.70 GHz) FC-LGA14A 3.2 8 BX80671I76900K

Intel Boxed Core i7-6900K Processor (20M Cache, up to 3.70 GHz) FC-LGA14A 3.2 8 BX80671I76900K

Bottom line: The Intel Boxed Core i7-6900K Processor FC-LGA14A 3.2 8 BX80671I76900K ($249.95 on Amazon as of 2026-10-07): 8 cores/16 threads handle heavy multi-threaded renders and compiles; main trade-off: 140W TDP demands a high-end cooler and a beefy VRM board.

$249.95

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Mike Perry — Hardware researcher since 2014. For retro PC hardware and period-correct parts, synthesises manufacturer documentation, community compatibility lists and marketplace listings rather than first-hand lab testing. Core beat: GPU performance across gaming, rendering, and local-LLM inference.

*Price sourced from Amazon.com. Last updated 2026-10-07. Price and availability subject to change.

Pros & Cons

Pros

  • ✓ 8 cores/16 threads handle heavy multi-threaded renders and compiles
  • ✓ 20MB Intel Smart Cache feeds all 8 cores on large working sets
  • ✓ Up to 40 PCIe 3.0 lanes (2x16+1x8) for up to 4 discrete GPUs
  • ✓ Quad-channel DDR4-2400 support across four DIMM slots
  • ✓ Fully unlocked multiplier plus Turbo Boost Max 3.0 on a best core

Cons

  • ✗ 140W TDP demands a high-end cooler and a beefy VRM board
  • ✗ Dead-end LGA 2011-v3 socket with no modern CPU upgrade path
  • ✗ 3.2 GHz base is slow for games that favor single-thread speed
  • ✗ One DIMM per channel limits total memory capacity on many boards

Manufacturer description

The Intel Core i7-6900K processor enables simultaneous, compute intensive, multi-threaded workloads, powered by 8 cores and 16 threads. Emerse yourself in the delivery of platform scalability to meet exacting demands with up to 40 PCIe 3.0 lanes and support for high speed storage, up to 4 discrete graphics cards, and Thunderbolt technology. This Core i7 processor support quad channel DDR4 memory, boast up to 20MB of Intel Smart Cache, and is fully unlocked for unleashed performance. Finally, the Intel Core i7-69xx/68xx processor family is the first to feature the NEW Intel Turbo Boost Max…

SpecPicks Verdict

SpecPicks scored Intel Boxed Core i7-6900K Processor FC-LGA14A 3.2 8 BX80671I76900K using a rating × review-volume × price-fit model applied to published specs and reviews across the retro cpus category. Compare with similarly-priced alternatives in the retro cpus category before committing. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.

Common buyer scenarios for retro cpus of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.

Key Features

  • 8 Core/16 Thread
  • LGA 2011-v3
  • 4 Channels DDR4 2400; one DIMM per Channel
  • 140W Tdp
  • Up to 40 Lanes PCIe 3.0 (2x16+1x8)

Full Specifications

BrandIntel
Wattage140
PlatformWindows
CPU ModelCore i7
CPU Speed3.2 GHz
CPU SocketLGA 2011-3
Unit Count1.0 Count
Model NumberBX80671I76900K
Built-In MediaProcessor
Mfr Part NumberBX80671I76900K
Processor BrandIntel
Processor Count8
Processor Speed3.2 GHz
Secondary Cache20 MB
CPU ManufacturerIntel
Processor SeriesCore i7
Processor SocketLGA 2011-3
Processor Core Count8
Warranty DescriptionLimited warranty; 3 years warranty
Cache Memory Installed Size20

Ready to buy?

Intel Boxed Core i7-6900K Processor (20M Cache, up to 3.70 GHz) FC-LGA14A 3.2 8 BX80671I76900K is listed on Amazon. Price, availability, shipping and returns are set by Amazon and its sellers — check the listing for current terms. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

Buy on Amazon — $249.95

*Price sourced from Amazon.com. Last updated 2026-10-07. Price and availability subject to change.

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