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Intel Boxed Core i7-6850K Processor (15M Cache, up to 3.80 GHz) FC-LGA14A 3.6 6 BX80671I76850K

Intel Boxed Core i7-6850K Processor (15M Cache, up to 3.80 GHz) FC-LGA14A 3.6 6 BX80671I76850K

Bottom line: The Intel Boxed Core i7-6850K Processor FC-LGA14A 3.6 6 BX80671I76850K ($85.00 on Amazon as of 2026-10-07): Up to 40 PCIe 3.0 lanes (2x16+1x8) run 4 discrete GPUs or NVMe arrays; main trade-off: 140W TDP demands a large tower or AIO cooler, none included.

$85.00

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Buy on Amazon — $85.00 Compare to similar retro cpus

By , Founder & Editor-in-Chief · Listing data updated

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

  • ✓ Up to 40 PCIe 3.0 lanes (2x16+1x8) run 4 discrete GPUs or NVMe arrays
  • ✓ Fully unlocked multiplier for overclocking on X99 boards
  • ✓ Quad-channel DDR4-2400 support, one DIMM per channel

Cons

  • ✗ 140W TDP demands a large tower or AIO cooler, none included
  • ✗ Dead-end LGA 2011-v3 socket with no upgrade path beyond Broadwell-E
  • ✗ 3.6 GHz base limits single-thread speed versus modern 6-core CPUs
  • ✗ Requires X99 motherboard and DDR4 memory sourced from the used market

Manufacturer description

The Intel Core i7-6850K processor enables simultaneous, compute intensive, multi-threaded workloads, powered by 6 cores and 12 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 15MB 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…

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SpecPicks Verdict

SpecPicks scored Intel Boxed Core i7-6850K Processor FC-LGA14A 3.6 6 BX80671I76850K 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

  • 6 Core/12 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 Speed3.6 GHz
CPU SocketLGA 2011-3
Model NumberBX80671I76850K
Built-In MediaProcessor
Mfr Part NumberBX80671I76850K
Processor BrandIntel
Processor Count6
Processor Speed3.6 GHz
Secondary Cache15 MB
CPU ManufacturerIntel
Processor SeriesCore i7
Processor SocketLGA 2011-3
Processor Core Count6
Warranty DescriptionLimited warranty; 3 years warranty
Cache Memory Installed Size15
Global Trade Identification Number00735858317689, 05032037087193

Ready to buy?

Intel Boxed Core i7-6850K Processor (15M Cache, up to 3.80 GHz) FC-LGA14A 3.6 6 BX80671I76850K 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 — $85.00

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

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Intel Boxed Core i7-6850K Processor (15M Cache, up to 3.80 GHz) FC-LGA14A 3.6 6 BX80671I76850K
$85.00
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