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ZOTAC RTX 4070 Twin Edge OC dual-fan graphics card with metal backplate

ZOTAC

ZOTAC GeForce RTX 4070 Twin Edge OC graphics card ZT-D40700H-10SMP

SKU CH-E39C-9DRQB MPN ZT-D40700H-10SMP

Refurbished GeForce RTX 4070 with 12GB GDDR6X, 2490 MHz boost clock and dual-fan IceStorm 2.0 cooling in a 2.2-slot design

  • InterfacePCI Express 4.0 x16
  • Chipset ManufacturerNVIDIA
  • GPU SeriesNVIDIA GeForce RTX 40 Series
  • GPUGeForce RTX 4070
  • Boost Clock2490 MHz
  • CUDA Cores5888
  • Boost clock reaches 2490 MHz for responsive 1440p gaming
  • 12 GB GDDR6X memory at 21 Gbps handles high-resolution textures
  • IceStorm 2.0 cooling with two 90 mm fans keeps temperatures low
  • PCI Express 4.0 x16 interface provides full bandwidth to the GPU
  • HDMI 2.1a plus three DisplayPort 1.4a outputs drive four displays

Built for 1440p and 4K gaming

The ZOTAC GeForce RTX 4070 Twin Edge OC uses the NVIDIA Ada Lovelace architecture with 5888 CUDA cores and 12GB of GDDR6X memory on a 192-bit bus. A boost clock of 2490 MHz and 21 Gbps memory speed feed modern titles at high refresh rates. The card connects through PCI Express 4.0 x16 and drives up to four displays via HDMI 2.1a and three DisplayPort 1.4a outputs.

Sustained load behaviour

Under continuous gaming load the GPU maintains its 2490 MHz boost while the 12GB frame buffer handles 1440p ultra and entry 4K settings without paging. The 200 W thermal design power stays steady rather than spiking, so a 600 W power supply and a single 8-pin connector deliver stable current through long sessions. Driver support for DirectX 12 Ultimate, Vulkan 1.3 and OpenGL 4.6 keeps compute pipelines full across extended workloads.

Thermals, noise and power

IceStorm 2.0 cooling uses two 90 mm fans with FREEZE fan-stop and Active Fan Control to spin only when core temperature demands it. At idle the fans halt completely, eliminating noise; under load they ramp gradually to move heat through the metal backplate. The 2.2-slot ATX form factor at 226 mm length fits most mid-tower cases while keeping exhaust directed out the rear. Power draw centres on the 200 W TDP with the single 8-pin feed.

Highlights

  • Boost clock reaches 2490 MHz for responsive 1440p gaming
  • 12 GB GDDR6X memory at 21 Gbps handles high-resolution textures
  • IceStorm 2.0 cooling with two 90 mm fans keeps temperatures low
  • PCI Express 4.0 x16 interface provides full bandwidth to the GPU
  • HDMI 2.1a plus three DisplayPort 1.4a outputs drive four displays

Specifications

BrandZOTAC
SeriesTwin Edge
ModelZT-D40700H-10SMP
InterfacePCI Express 4.0 x16
Chipset ManufacturerNVIDIA
GPU SeriesNVIDIA GeForce RTX 40 Series
GPUGeForce RTX 4070
Boost Clock2490 MHz
CUDA Cores5888
Effective Memory Clock21000 MHz (21 Gbps)
Memory Size12GB
Memory Interface192-Bit
Memory TypeGDDR6X
DirectXDirectX 12 Ultimate
OpenGLOpenGL 4.6
Multi-Monitor Support4
HDMI1 x HDMI 2.1a
DisplayPort3 x DisplayPort 1.4a
Max Resolution7680 x 4320
Virtual Reality ReadyYes
CoolerDouble Fans
Thermal Design Power200W
Recommended PSU Wattage600W
Power Connector8-Pin
HDCP ReadyYes
Form FactorATX
Max GPU Length226 mm
Slot Width2.2 Slots
Shipping weight1.75 kg
Package size384 × 279 × 109 mm

Questions about this item

How loud and hot does the 2490 MHz boost clock run under constant load?

The IceStorm 2.0 cooler uses two 90 mm fans with FREEZE Fan Stop so they stay off at idle, and Active Fan Control ramps them only when the GPU temperature demands it, keeping noise low during all-day use.

My power supply has a single 8-pin PCIe connector — is that enough for the 200 W board power?

Yes, the card draws its 200 W through one 8-pin connector, and the manufacturer recommends a 600 W PSU to cover the rest of the system.

Will the 226 mm length and 2.2-slot width fit alongside my existing ATX motherboard and CPU cooler?

The card follows the ATX form factor at 226 mm long and occupies 2.2 slots, so measure your case clearance and the space below the top PCIe x16 slot to confirm it clears your CPU cooler and side panel.

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