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MSI Radeon RX 6600 graphics card with dual fans and brushed metal backplate

MSI

MSI Radeon RX 6600 MECH 2X 8G graphics card

SKU CH-CAFN-ZAQ81

RDNA 2 GPU with 8 GB GDDR6 on a 128-bit bus, PCIe 4.0, triple DisplayPort 1.4a and HDMI 2.1, dual TORX Fan 3.0 cooler with Zero Frozr stop, 132 W TDP

  • Graphics processorRadeon RX 6600
  • Memory capacity8 GB
  • Interface typePCI Express 4.0
  • Boost frequency2491 MHz
  • Type of memoryGDDR6
  • Core frequency1626 MHz
  • 8GB GDDR6 memory handles modern textures at 1080p and 1440p
  • PCIe 4.0 x16 interface doubles bandwidth over 3.0 for faster asset streaming
  • Dual TORX Fan 3.0 design with Zero Frozr stops fans at low temps for silent idle
  • Boost clock reaches 2491 MHz for high frame rates in competitive titles
  • 132W TDP and 300W PSU recommendation suit compact builds and upgrades

Capacity and target use

The MSI Radeon RX 6600 MECH 2X 8G is a PCI Express 4.0 graphics card built on the AMD RDNA 2 architecture. It carries 8GB of GDDR6 memory across a 128-Bit interface and is aimed at 1080p gaming builds that need a balanced power draw of 132W with a 300W PSU recommendation.

Clocks and memory headroom

A game clock of 2044 MHz and a boost clock of 2491 MHz give solid frame rates in modern titles at high settings, while the 128-Bit bus and 8GB VRAM become the limiting factor once texture packs or resolution scaling push beyond 1080p. DirectX 12 Ultimate and OpenGL 4.6 support keep the feature set current for today's engines.

Upgrade path and display connectivity

The card replaces older 4GB or 6GB mid-range GPUs and adds a modern display stack of one HDMI 2.1 and three DisplayPort 1.4a outputs for multi-monitor setups. The jump is worth it when moving from a previous-generation 128-Bit board that lacks hardware ray-tracing support or PCI Express 4.0 bandwidth.

How it compares

Measured against everything we stock in Desktop GPUs & Video Cards, at today’s prices. Recalculated every night.

Price $408.99
Pricier than about 56% of the 4,285 comparable items (median $354.99).
Memory capacity 8 GB
Typical for this category: the median of 3,563 items is 8 GB.
Boost frequency 2491 MHz
Higher than about 62% of the 1,837 comparable items (median 1.89 GHz).

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Specifications

Product
Brand nameMSI
Product lineMech
Model nameRX 6600 MECH 2X 8G
Processor
TDP rating132 W
Memory
Type of memoryGDDR6
Graphics
Graphics processorRadeon RX 6600
Memory capacity8 GB
Boost frequency2491 MHz
Core frequency1626 MHz
Chipset makerAMD
Graphics seriesAMD Radeon RX 6000 Series
GPU architectureRDNA 2
Game clock speed2044 MHz
Memory bus width128-Bit
DirectX support12 Ultimate
OpenGL support4.6
Ports & slots
Interface typePCI Express 4.0
HDMI ports1 x HDMI 2.1
DisplayPort connectors3 x DisplayPort 1.4a
Power
Recommended power supply300 W
Size & build
Max graphics card length235 mm
Slots occupied2 Slots

Questions about this item

Will the PCI Express 4.0 interface work on my motherboard that only has PCIe 3.0 slots?

Yes, the card is backward compatible and will operate at PCIe 3.0 speeds when installed in a 3.0 slot.

How can I verify the GPU is hitting the 2491 MHz Boost Clock during a game?

Use MSI Afterburner or AMD Radeon Software to monitor the real-time core frequency while under load.

Does the box include a power adapter for the 8-pin connector or do I need a PSU with native cables?

No adapter is included; your power supply must provide a native 8-pin PCIe connector for the 132W board.

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