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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

  • Graphics processorRadeon RX Vega 56
  • Memory capacity8 GB
  • Shader units3584
  • Form factorPlug-in CardFull-height
  • Boost frequency1471 MHz
  • Type of memoryHBM2
  • 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.

How it compares

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

Price $332.99
Typical for this category: the median of 4,285 items is $354.99.
Memory capacity 8 GB
Typical for this category: the median of 3,563 items is 8 GB.
Boost frequency 1471 MHz
Lower than about 92% of the 1,837 comparable items (median 1.89 GHz).

New to this? How to buy a graphics card with Bitcoin — what to check, what it costs to pay, and what is never asked for.

Specifications

Product
Brand nameSAPPHIRE
Model name100420L
Processor
TDP rating300 W
Memory
Type of memoryHBM2
Graphics
Graphics processorRadeon RX Vega 56
Memory capacity8 GB
Boost frequency1471 MHz
Shader units3584
Core frequency1156 MHz
Chipset makerAMD
Graphics seriesAMD Radeon RX VEGA Series
Effective memory speedUp to 800 MHz, Effective 1,600 Mbit/s
Memory bus width2048-Bit
DirectX support12
OpenGL support4.5
Supported displays4
CrossFireX compatibilityYes
VR readyYes
Audio & video
HDCP supportYes
Ports & slots
HDMI ports1 x HDMI
DisplayPort connectors3 x DisplayPort 1.4
Power
Power input connector2 × 8-Pin
Size & build
Form factorPlug-in CardFull-height
Slots occupied2 Slots
Compatibility
Eyefinity supportYes
Trueaudio supportYes
Mantle supportYes
In the box
Includes low-profile bracketNo
In the boxCard Only
Environment & compliance
Rohs compliantYes
More details
Cooling solutionSingle Fan

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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