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White dual-fan graphics card with metal backplate

ZOTAC

ZOTAC GeForce RTX 3070 Twin Edge OC LHR 8GB graphics card ZT-A30700H-10PLHR

SKU CH-ZFA7-0QXNM MPN ZT-A30700H-10PLHR

Refurbished GeForce RTX 3070 with 5888 CUDA cores, 8GB GDDR6 at 14 Gbps on a 256-bit bus, 1755 MHz boost clock, IceStorm 2.0 cooling, white LED lighting, 1 x HDMI 2.1 and 3 x DisplayPort 1.4a for

  • InterfacePCI Express 4.0
  • Chipset ManufacturerNVIDIA
  • GPU SeriesNVIDIA GeForce RTX 30 Series
  • GPUGeForce RTX 3070
  • Boost Clock1755 MHz
  • CUDA Cores5888
  • Boost clock 1755 MHz drives high frame rates
  • 8 GB GDDR6 at 14 Gbps feeds textures fast
  • IceStorm 2.0 cooling with fan stop runs quiet under light loads
  • Four display outputs support 7680 × 4320 resolution
  • LHR design limits ETH hash rate to 25 MH/s estimate

ZOTAC GeForce RTX 3070 Twin Edge OC LHR 8GB

This refurbished graphics card uses the NVIDIA Ampere architecture with 5888 CUDA cores and a 1755 MHz boost clock. It carries 8GB of GDDR6 memory on a 256-bit bus running at 14 Gbps. The PCI Express 4.0 interface connects to a modern motherboard for gaming or creative workloads.

14 Gbps GDDR6 on a 256-bit bus

The 8GB frame buffer suits 1440p gaming and entry-level 4K work where texture pools fit within that capacity. Users targeting sustained 4K ultra settings or heavy compute loads that exceed 8GB should consider a card with more memory. The LHR designation limits Ethereum hash rates to roughly 25 MH/s.

220W TDP with dual 8-pin power

A 650W power supply is the minimum recommended unit to feed the 220W board through two 8-pin connectors. Systems with a smaller PSU or only a single 8-pin cable cannot run this card reliably. The IceStorm 2.0 cooler uses two fans with a freeze-stop mode and a metal backplate.

Highlights

  • Boost clock 1755 MHz drives high frame rates
  • 8 GB GDDR6 at 14 Gbps feeds textures fast
  • IceStorm 2.0 cooling with fan stop runs quiet under light loads
  • Four display outputs support 7680 × 4320 resolution
  • LHR design limits ETH hash rate to 25 MH/s estimate

Specifications

BrandZOTAC
SeriesTwin Edge OC LHR
ModelZT-A30700H-10PLHR
InterfacePCI Express 4.0
Chipset ManufacturerNVIDIA
GPU SeriesNVIDIA GeForce RTX 30 Series
GPUGeForce RTX 3070
Boost Clock1755 MHz
CUDA Cores5888
Effective Memory Clock14 Gbps
Memory Size8GB
Memory Interface256-Bit
Memory TypeGDDR6
DirectXDirectX 12 Ultimate
OpenGLOpenGL 4.6
Multi-Monitor Support4
HDMI1 x HDMI 2.1
DisplayPort3 x DisplayPort 1.4a
ColorWhite
Max Resolution7680 x 4320
SLI SupportNo
Virtual Reality ReadyYes
CoolerDouble Fans
Operating Systems SupportedWindows 10 64-bit (build 2004 or later) ‍👉Check gaming pc with Windows 11 Pro
Thermal Design Power220W
Recommended PSU Wattage650W
Power Connector2 x 8-Pin
HDCP Ready2.3
Features2nd Gen Ray Tracing Cores
3rd Gen Tensor Cores
White LED Lighting
IceStorm 2.0 Advanced Cooling
Active Fan Control with FREEZE Fan Stop
Metal Wraparound Backplate
FireStorm Utility
VR Ready
LHR 25 MH/s ETH hash rate (est.)
Max GPU Length232 mm
Card Dimensions (L x H)9.10" x 5.60"
Slot Width2 Slots
Shipping weight1.36 kg
Package size305 × 178 × 76 mm

Questions about this item

What case clearance does the Twin Edge OC LHR card need for its length?

The card is a dual-slot design with a metal wraparound backplate; measure your chassis to confirm it can accept a full-length PCIe 4.0 graphics card before ordering.

Which power cables must be connected for the 220 W board, and what mistake do builders make?

Attach both 8-pin PCIe connectors from a 650 W or larger supply; the common error is using a single daisy-chained cable instead of two separate runs.

When should the IceStorm 2.0 fans and thermal paste be serviced on this 8 GB GDDR6 model?

Clean the dual fans every six to twelve months with compressed air; replace thermal paste only if temperatures rise unexpectedly after years of use.

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