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Square green ceramic processor with gold contacts and silver heat spreader, no cooler included

Intel

Intel Core i7-2600K 3.4GHz Quad-Core LGA 1155 95W desktop processor

SKU CH-C3W1-Q6HG4

Quad-core desktop CPU with 3.4 GHz base clock, 3.8 GHz turbo, 8 MB L3 cache and Intel HD Graphics 3000 for LGA 1155 boards

  • Product nameCore i7-2600K
  • CPU coresQuad-Core
  • CPU socketLGA 1155
  • TDP rating95 W
  • Processor codenameSandy Bridge
  • Working frequency3.4 GHz (3.8 GHz Turbo Boost)
  • 4 GHz base and 3.8 GHz turbo boost speed up everyday tasks
  • Quad-core with Hyper-Threading runs eight threads for smoother multitasking
  • 8 MB L3 cache plus four 256 KB L2 caches keep data close to the cores
  • Intel HD Graphics 3000 at 850 MHz handles display output without a discrete card
  • 32 nm Sandy Bridge design rated at 95 W TDP for efficient desktop performance

Second-Generation Core i7 for LGA 1155 Builds

This quad-core processor fits LGA 1155 motherboards and runs at a base frequency of 3.4GHz with Turbo Boost up to 3.8GHz. It is aimed at enthusiasts who want an unlocked multiplier for overclocking on a mature platform. The 32nm Sandy Bridge architecture includes Hyper-Threading for eight logical threads.

95W Thermal Design Without a Cooler

The 95W TDP means a capable aftermarket cooler is required because none is supplied in the box. Integrated Intel HD Graphics 3000 runs at 850MHz and provides display output on boards with video ports. The dual-channel memory controller supports DDR3-1066 and DDR3-1333 for straightforward RAM selection.

Unlocked Multiplier for Overclocking

The K-series designation signals an unlocked ratio multiplier, the single specification that lets builders push frequencies beyond the stock 3.8GHz Turbo ceiling. Combined with 8MB of L3 cache and AVX instruction support, this trait decides whether the chip matches a performance-focused build or a locked alternative would suffice.

How it compares

Measured against everything we stock in Desktop Processors, at today’s prices. Recalculated every night.

Price $30.99
Cheaper than about 93% of the 494 comparable items (median $149.99).
TDP rating 95 W
Typical for this category: the median of 320 items is 95 W.

New to this? Buying a processor with crypto — what to check, what it costs to pay, and what is never asked for.

Specifications

Product
Brand nameIntel
Product lineCore i7 2nd Gen
Model nameBX80623I72600K
Product nameCore i7-2600K
Performance
Working frequency3.4 GHz (3.8 GHz Turbo Boost)
Processor
CPU coresQuad-Core
CPU socketLGA 1155
TDP rating95 W
Processor codenameSandy Bridge
Level 2 cache4 × 256 KB
Level 3 cache8 MB
Process node32 nm
CPU instruction set64-Bit
Hyper-ThreadingYes
Virtualization supportYes
Memory
Supported memory speedDual Channel DDR3-1066/1333
Graphics
Built-in graphicsIntel HD Graphics 3000
GPU base clock850 MHz
In the box
Included coolerNot included - Processor Only
More details
Multimedia instructionSSE4.1/4.2, AVX

Questions about this item

What memory speed does the integrated DDR3 controller support?

The integrated memory controller runs dual-channel DDR3 at 1066 or 1333 MT/s.

Which socket and cooler clearance does the LGA 1155 package require?

It fits LGA 1155 motherboards; the 95 W TDP means a standard boxed cooler or equivalent aftermarket cooler is sufficient.

How is the processor seated, and what step is often missed?

Align the notches, lower the CPU gently, close the retention lever, then apply thermal paste before mounting the cooler — skipping the paste is the common error.

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