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ASUS KO GeForce RTX 3070 dual-fan graphics card in dark metal finish

ASUS

ASUS KO-RTX3070-O8G-V2-GA GeForce RTX 3070 8GB GDDR6 graphics card

SKU CH-66YF-D77B8 MPN KO-RTX3070-O8G-V2-GA

Refurbished GeForce RTX 3070 with 8GB GDDR6, 5888 CUDA cores, 1845 MHz OC boost, PCIe 4.0, HDMI 2.1 and DisplayPort 1.4a

  • InterfacePCI Express 4.0
  • Chipset ManufacturerNVIDIA
  • GPU SeriesNVIDIA GeForce RTX 30 Series
  • GPUGeForce RTX 3070
  • Boost Clock1845 MHz (OC Mode) 1815 MHz (Gaming Mode)
  • CUDA Cores5888
  • Boost clock reaches 1845 MHz in OC mode for higher frame rates
  • 8GB GDDR6 on a 256-bit bus delivers 14 Gbps bandwidth for 1440p gaming
  • Two HDMI 2.1 and three DisplayPort 1.4a outputs drive four 7680 x 4320 displays
  • Axial-tech fans with 0dB stop keep noise low under light loads
  • PCI Express 4.0 interface and 5888 CUDA cores enable DirectX 12 Ultimate features

ASUS KO GeForce RTX 3070 8GB

The ASUS KO GeForce RTX 3070 is a refurbished graphics card built on the NVIDIA Ampere architecture. It targets gamers and creators who want solid 1440p performance without stepping up to a higher tier. The card uses a PCI Express 4.0 interface and fits a standard dual-slot layout.

8GB GDDR6 upgrade path

Moving to this 8GB GDDR6 model from a 6GB or older 8GB card adds 5888 CUDA cores and a 256-bit memory bus running at 14 Gbps. The jump is worth it when your current GPU limits frame rates at 1440p high settings or struggles with modern titles that need more VRAM bandwidth.

8GB VRAM capacity and headroom

The 8GB frame buffer handles 1440p ultra textures and 4K medium workloads comfortably. It runs out when games push beyond 8GB at 4K ultra or when heavy ray tracing loads combine with maxed texture pools, forcing texture streaming or lower settings.

Highlights

  • Boost clock reaches 1845 MHz in OC mode for higher frame rates
  • 8GB GDDR6 on a 256-bit bus delivers 14 Gbps bandwidth for 1440p gaming
  • Two HDMI 2.1 and three DisplayPort 1.4a outputs drive four 7680 x 4320 displays
  • Axial-tech fans with 0dB stop keep noise low under light loads
  • PCI Express 4.0 interface and 5888 CUDA cores enable DirectX 12 Ultimate features

Specifications

BrandASUS
SeriesKO
ModelKO-RTX3070-O8G-V2-GAMING
InterfacePCI Express 4.0
Chipset ManufacturerNVIDIA
GPU SeriesNVIDIA GeForce RTX 30 Series
GPUGeForce RTX 3070
Boost Clock1845 MHz (OC Mode)
1815 MHz (Gaming Mode)
CUDA Cores5888
Effective Memory Clock14 Gbps
Memory Size8GB
Memory Interface256-Bit
Memory TypeGDDR6
DirectXDirectX 12 Ultimate
OpenGLOpenGL 4.6
Multi-Monitor Support4
HDMI2 x HDMI 2.1
DisplayPort3 x DisplayPort 1.4a
Max Resolution7680 x 4320
SLI SupportNo
Virtual Reality ReadyYes
CoolerDouble Fans
Thermal Design Power220W
Recommended PSU Wattage750W
Power Connector2 x 8-Pin
HDCP Ready2.3
FeaturesNVIDIA Ampere Streaming Multiprocessors: The building blocks for the world's fastest, most efficient GPU, the all-new Ampere SM brings 2X the FP32 throughput and improved power efficiency.
2nd Generation RT Cores: Experience 2X the throughput of 1st gen RT Cores, plus concurrent RT and shading for a whole new level of ray tracing performance.
3rd Generation Tensor Cores: Get up to 2X the throughput with structural sparsity and advanced AI algorithms such as DLSS. Now with support for up to 8K resolution, these cores deliver a massive boost in game performance and all-new AI capabilit
Max GPU Length275 mm
Card Dimensions (L x H)10.82" x 5.16"
Slot Width2.7 slot
Shipping weight1.91 kg
Package size406 × 234 × 89 mm

Questions about this item

How much case clearance does the dual-fan ASUS KO RTX 3070 need?

The card uses a double-fan cooler, so allow space for a two-slot design and check that your chassis can accommodate a full-length graphics card.

Which power cables are required for the 220 W board and what is the common mistake?

Connect two separate 8-pin cables from a 750 W supply; using a single daisy-chained cable is the step most builders get wrong.

When should the thermal paste or pads on the GeForce RTX 3070 be renewed?

Refresh the interface material if GPU temperatures climb noticeably above normal after several years of heavy load.

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