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XFX Speedster SWFT210 Radeon RX 6600 XT dual-fan graphics card in black and silver finish

XFX

XFX RX-66XT8DFDQ Radeon RX 6600 XT graphics card

SKU CH-JAG9-7CR6H MPN RX-66XT8DFDQ

Refurbished mid-range GPU with 8GB GDDR6 memory, 2048 stream processors and a boost clock of 2589 MHz on a 128-bit bus

  • InterfacePCI Express 4.0
  • Chipset ManufacturerAMD
  • GPU SeriesAMD Radeon RX 6000 Series
  • GPURadeon RX 6600 XT
  • Core Clock2092 MHz
  • Boost Clock2589 MHz
  • Boost clock of 2589 MHz drives high frame rates
  • 2048 stream processors handle demanding game workloads
  • 8GB GDDR6 memory at 16 Gbps feeds the GPU fast
  • PCI Express 4.0 interface maximises data throughput
  • Dual-fan cooler keeps temperatures in check

SPEEDSTER SWFT210 8GB card for 1080p gaming

The XFX SPEEDSTER SWFT210 Radeon RX 6600 XT is a refurbished graphics card built for 1080p gaming. It uses the AMD RDNA 2 architecture with 2048 stream processors and 8GB of GDDR6 memory on a 128-bit bus. Core and boost clocks reach 2092 MHz and 2589 MHz respectively. The dual-fan cooler occupies two slots and measures 241 mm in length.

Check PCIe 4.0 slot and 750W PSU before install

Verify your motherboard provides a PCI Express 4.0 x16 slot and that the case can clear a 241 mm long, two-slot card. The board draws power through a single 8-pin connector, so the power supply must include that cable and meet the 750W recommendation. Display outputs are one HDMI 2.1 and three DisplayPort 1.4 ports for multi-monitor setups.

Sustained clocks hold near 2589 MHz under load

In extended sessions the dual-fan design keeps the GPU close to its 2589 MHz boost clock without aggressive throttling. The 16 Gbps GDDR6 memory delivers steady bandwidth for texture-heavy scenes at 1080p. DirectX 12 Ultimate support and AMD FreeSync compatibility maintain consistent frame pacing across long play periods.

Highlights

  • Boost clock of 2589 MHz drives high frame rates
  • 2048 stream processors handle demanding game workloads
  • 8GB GDDR6 memory at 16 Gbps feeds the GPU fast
  • PCI Express 4.0 interface maximises data throughput
  • Dual-fan cooler keeps temperatures in check

Specifications

BrandXFX
SeriesSPEEDSTER SWFT210
ModelRX-66XT8DFDQ
InterfacePCI Express 4.0
Chipset ManufacturerAMD
GPU SeriesAMD Radeon RX 6000 Series
GPURadeon RX 6600 XT
Core Clock2092 MHz
Boost Clock2589 MHz
Stream Processors2048
Effective Memory Clock16 Gbps
Memory Size8GB
Memory Interface128-Bit
Memory TypeGDDR6
DirectXDirectX 12 Ultimate
HDMI1 x HDMI 2.1
DisplayPort3 x DisplayPort 1.4
Virtual Reality ReadyYes
CoolerDouble Fans
Recommended PSU Wattage750W
Power Connector1 x 8-Pin
FeaturesAMD RDNA 2 Architecture
DirectX 12 Ultimate
GDDR6 Memory
PCI Express 4.0 Support
AMD FreeSync Technology
DisplayPort 1.4 with DSC
HDMI 2.1 VRR
Video Streaming up to 8K
Radeon VR Ready Premium
AMD FidelityFX
Radeon Image Sharpening
Radeon Anti-Lag
Radeon Software
Game Driver Optimizations
Max GPU Length241 mm
Card Dimensions (L x H)9.49" x 5.16"
Slot Width2 Slots
Shipping weight1.36 kg
Package size365 × 198 × 120 mm

Questions about this item

What comes in the box with the XFX RX-66XT8DFDQ and what must be purchased separately?

The card includes the GPU with dual-fan cooler, one HDMI 2.1 port, three DisplayPort 1.4 connectors and a single 8-pin power plug. You must supply a PCIe 4.0 motherboard slot, a power supply rated at least 750 W and any display cables you need.

How do I decide between the 8 GB 128-bit GDDR6 configuration and other capacities?

This model is offered only with 8 GB of GDDR6 on a 128-bit bus running at 16 Gbps. If your workload needs more frame-buffer or wider bandwidth you would have to choose a different card entirely.

What does the 2589 MHz boost clock mean once the card is installed in a real system?

The 2589 MHz boost clock is the peak frequency the GPU can reach under load when power, temperature and driver conditions allow. Sustained speeds will vary with case airflow, PSU headroom above 750 W and the specific game or application.

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