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Black dual-fan graphics card with metal backplate

ASRock

ASRock Radeon RX 6600 Challenger D RX6600 CLD 8G graphics card

SKU CH-B3FC-WSH55 MPN RX6600 CLD 8G

Delivers 8 GB GDDR6 on a 128-bit bus with a 2491 MHz boost clock, PCI Express 4.0 interface, HDMI 2.1 and three DisplayPort 1.4 outputs, dual-fan cooling, and a 132 W power draw needing a 500 W PSU

  • InterfacePCI Express 4.0
  • Chipset ManufacturerAMD
  • GPU SeriesAMD Radeon RX 6000 Series
  • GPURadeon RX 6600
  • ArchitectureRDNA 2
  • Core Clock1626 MHz
  • 8 GB GDDR6 memory handles modern game textures at 14 Gbps
  • Boost clock reaches 2491 MHz for higher frame rates in demanding scenes
  • PCI Express 4.0 interface doubles bandwidth versus older slots
  • Four display outputs — one HDMI 2.1 and three DisplayPort 1.4 — drive multi-monitor setups
  • Dual-fan cooler keeps the 132 W board within thermal limits

Challenger D 8G for 1080p gaming

The ASRock Radeon RX 6600 Challenger D is a PCI Express 4.0 graphics card built on the RDNA 2 architecture. It carries 1792 stream processors, 8GB of GDDR6 memory on a 128-bit bus and runs at a game clock of 2044 MHz with a boost clock of 2491 MHz. The card suits gamers targeting 1080p resolution with a thermal design power of 132W.

Check PSU and case clearance

Verify that your power supply delivers at least 500W and provides an 8-pin PCIe power connector for the card. The board occupies two expansion slots and measures 269 mm in length, so confirm the available space inside your chassis before ordering. A PCI Express 4.0 slot is required for full interface bandwidth.

Dual-fan cooler and four display outputs

A black dual-fan cooler handles the 132W thermal load in a compact two-slot form factor. The rear bracket offers one HDMI 2.1 port and three DisplayPort 1.4 connectors, enabling up to four simultaneous displays at a maximum resolution of 7680 x 4320. HDCP support is included for protected content playback.

Highlights

  • 8 GB GDDR6 memory handles modern game textures at 14 Gbps
  • Boost clock reaches 2491 MHz for higher frame rates in demanding scenes
  • PCI Express 4.0 interface doubles bandwidth versus older slots
  • Four display outputs — one HDMI 2.1 and three DisplayPort 1.4 — drive multi-monitor setups
  • Dual-fan cooler keeps the 132 W board within thermal limits

Specifications

BrandASRock
ModelRX6600 CLD 8G
InterfacePCI Express 4.0
Chipset ManufacturerAMD
GPU SeriesAMD Radeon RX 6000 Series
GPURadeon RX 6600
ArchitectureRDNA 2
Core Clock1626 MHz
Game Clock2044 MHz
Boost Clock2491 MHz
Stream Processors1792
Effective Memory Clock14 Gbps
Memory Size8GB
Memory Interface128-Bit
Memory TypeGDDR6
DirectXDirectX 12 Ultimate
OpenGLOpenGL 4.6
Multi-Monitor Support4
HDMI1 x HDMI 2.1
DisplayPort3 x DisplayPort 1.4
ColorBlack
Max Resolution7680 x 4320
CoolerDouble Fans
Thermal Design Power132W
Recommended PSU Wattage500W
Power Connector8-Pin
HDCP ReadyYes
Max GPU Length269 mm
Slot Width2 Slots
Shipping weight0.93 kg
Package size362 × 218 × 66 mm

Questions about this item

What comes in the box with the ASRock Radeon RX 6600 Challenger D and what must be purchased separately?

The card itself is supplied; an 8-pin power cable from a 500W or larger PSU is required but not included.

How do I decide between the 8GB GDDR6 model and other capacities?

This SKU only exists with 8GB on a 128-bit bus; no other memory size is offered for the RX6600 CLD 8G.

What does the 2491 MHz boost clock deliver once the card is installed in a PCIe 4.0 system?

It sets the peak GPU frequency under load, paired with 1792 stream processors and 14 Gbps memory for 1080p gaming performance.

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