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White triple-fan graphics card, 298 mm long, 2.6-slot design

ASRock

ASRock B580 SL 12GO graphics card

SKU CH-BKX3-ZYS31 MPN B580 SL 12GO

Intel Arc B580 GPU with 12GB GDDR6 memory, 20 Xe-cores at 2800 MHz, triple-fan cooler, HDMI 2.1 and three DisplayPort 2.1 outputs

  • InterfacePCI Express 4.0 x8
  • Chipset ManufacturerIntel
  • GPU SeriesIntel Arc B-Series
  • GPUArc B580
  • Core Clock2800 MHz
  • Xe-cores20

Option Steel Legend

Edition B580

  • 12 GB GDDR6 memory handles large textures
  • 20 Xe-cores at 2800 MHz drive high frame rates
  • 1 HDMI 2.1 plus 3 DisplayPort 2.1 ports connect four displays
  • Triple-fan cooler keeps temperatures low under load
  • PCI Express 4.0 x8 interface provides fast data throughput

Steel Legend Arc B580 identity

This ASRock graphics card carries the Steel Legend branding and the Intel Arc B580 GPU. It is built for gamers and creators who need 12 GB of GDDR6 memory on a 192-bit bus. The white triple-fan cooler fits a standard ATX form factor.

PCI Express 4.0 x8 interface

The card connects through a PCI Express 4.0 x8 slot, which determines platform compatibility and peak bandwidth. Two 8-pin power connectors feed the 2800 MHz core clock across 20 Xe-cores. A 650 W power supply is the recommended minimum.

Thermals noise and power draw

Triple fans move air across a 2.6-slot heatsink inside a 298 mm long shroud. Under typical gaming loads the cooling assembly keeps temperatures in check while fan speeds stay moderate. The 650 W PSU recommendation reflects the board’s total power envelope.

Highlights

  • 12 GB GDDR6 memory handles large textures
  • 20 Xe-cores at 2800 MHz drive high frame rates
  • 1 HDMI 2.1 plus 3 DisplayPort 2.1 ports connect four displays
  • Triple-fan cooler keeps temperatures low under load
  • PCI Express 4.0 x8 interface provides fast data throughput

Specifications

BrandASRock
SeriesSTEEL LEGEND
ModelB580 SL 12GO
InterfacePCI Express 4.0 x8
Chipset ManufacturerIntel
GPU SeriesIntel Arc B-Series
GPUArc B580
Core Clock2800 MHz
Xe-cores20
Memory Size12GB
Memory Interface192-Bit
Memory TypeGDDR6
DirectXDirectX 12 Ultimate
OpenGLOpenGL 4.6
Multi-Monitor Support4
HDMI1 x HDMI 2.1
DisplayPort3 x DisplayPort 2.1 with DSC
ColorWhite
Max Resolution7680 x 4320
CoolerTriple Fans
Recommended PSU Wattage650W
Power Connector2 x 8-Pin
Form FactorATX
Max GPU Length298 mm
Slot Width2.6 Slots
Shipping weight1.38 kg
Package size401 × 216 × 102 mm

Other versions of this model

2 more in the same range

Same family, different memory, cooler or clock — compare before you commit.

Questions about this item

What does the 2800 MHz core clock mean for real-world performance on the Arc B580?

The 2800 MHz core clock is the rated boost frequency of the 20 Xe-cores, so the GPU can sustain high compute throughput in supported titles and workloads.

What bandwidth does the PCI Express 4.0 x8 interface actually deliver to the Arc B580?

The PCIe 4.0 x8 slot provides the electrical link for the Arc B580; it caps the host-to-GPU transfer rate at the x8 lane width of the 4.0 specification.

Will the 298 mm length and 2.6-slot width fit in a standard ATX case?

The card measures 298 mm long and occupies 2.6 slots, so verify your case clearance and motherboard spacing before installing the triple-fan cooler.

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