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Sapphire Radeon RX Vega 56 graphics card, dual-slot ATX form factor, blower fan cooler, silver and black finish, one HDMI and three

Sapphire Tech

Sapphire Tech Radeon RX Vega 56 100420L 8GB HBM2 graphics card

SKU CH-ZVDF-H1GA5

8GB HBM2 on a 2048-bit bus drives 3584 stream processors at up to 1471 MHz boost with DirectX 12 and four-display output

  • Chipset ManufacturerAMD
  • GPU SeriesAMD Radeon RX VEGA Series
  • GPURadeon RX Vega 56
  • Core Clock1156 MHz
  • Boost Clock1471 MHz
  • Stream Processors3584
  • 8GB HBM2 on a 2048-bit bus feeds 3584 stream processors at up to 1600 Mbps
  • Boost clock of 1471 MHz drives DirectX 12 and Vulkan workloads with 56 next-gen compute units
  • Blower cooler with dual-ball bearing exhausts 300 W through two 8-pin connectors
  • Four-display output via HDMI 4K60 and three DisplayPort 1.4 HBR3 ports
  • CrossFireX and AMD XConnect enable multi-GPU scaling and external enclosure flexibility

Sapphire RX Vega 56 8GB HBM2

This graphics card delivers 8GB of HBM2 memory on a 2048-bit interface for high-resolution gaming and compute workloads. The Vega 56 GPU provides 3584 stream processors with a boost clock of 1471 MHz. It suits enthusiasts who need strong 1440p performance and VR readiness in a dual-slot ATX design.

Upgrade from older GCN or Polaris cards

Moving to Vega architecture brings DirectX 12 and Vulkan optimisation plus FreeSync 2 HDR support. The 1600 Mbps effective memory bandwidth helps at 4K60 over HDMI or DisplayPort 1.4. The jump is worth it when your current card limits frame rates in modern titles or lacks 8GB VRAM.

Dual-slot blower with two 8-pin connectors

The reference blower cooler exhausts heat directly out the rear bracket, which helps in compact cases. Ensure your power supply can deliver 300W TDP through two 8-pin connectors. Common issues include coil whine under load and thermal throttling if case airflow is restricted.

Highlights

  • 8GB HBM2 on a 2048-bit bus feeds 3584 stream processors at up to 1600 Mbps
  • Boost clock of 1471 MHz drives DirectX 12 and Vulkan workloads with 56 next-gen compute units
  • Blower cooler with dual-ball bearing exhausts 300 W through two 8-pin connectors
  • Four-display output via HDMI 4K60 and three DisplayPort 1.4 HBR3 ports
  • CrossFireX and AMD XConnect enable multi-GPU scaling and external enclosure flexibility

Specifications

BrandSAPPHIRE
Model100420L
Chipset ManufacturerAMD
GPU SeriesAMD Radeon RX VEGA Series
GPURadeon RX Vega 56
Core Clock1156 MHz
Boost Clock1471 MHz
Stream Processors3584
Effective Memory ClockUp to 800 MHz, Effective 1600 Mbps
Memory Size8GB
Memory Interface2048-Bit
Memory TypeHBM2
DirectXDirectX 12
OpenGLOpenGL 4.5
Multi-Monitor Support4
HDMI1 x HDMI
DisplayPort3 x DisplayPort 1.4
RoHS CompliantYes
Eyefinity SupportYes
CrossFireX SupportYes
TrueAudio SupportYes
Mantle SupportYes
Virtual Reality ReadyYes
CoolerSingle Fan
Thermal Design Power300W
Power Connector2 x 8-Pin
HDCP ReadyYes
Form FactorPlug-in CardFull-height
Low Profile Bracket IncludedNo
Slot Width2 Slots
Package ContentsCard Only

Questions about this item

Does the card fit in a standard ATX case and what slot width does it need?

The card uses an ATX form factor and occupies two slots, so a case with at least two adjacent expansion slots is required.

What power connectors and supply capacity are needed?

Two 8-pin PCIe power connectors are required and the board has a 300 W thermal design power, so the power supply must deliver enough current on the 12 V rail for that load.

Can I drive four monitors at once and which ports are available?

Yes, the card supports up to four displays simultaneously through one HDMI port and three DisplayPort 1.4 connectors.

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