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ASUS KO GeForce RTX 3070 graphics card, dual-fan cooler, dark finish, two-slot bracket with HDMI and DisplayPort outputs

ASUS Refurbished

ASUS KO-RTX3070-O8G-GAMIN GeForce RTX 3070 8GB graphics card

SKU CH-7ZBQ-38HRN MPN KO-RTX3070-O8G-GAMIN

Refurbished GeForce RTX 3070 with 8GB GDDR6, 5888 CUDA cores, 1845 MHz boost clock, 256-bit memory bus, PCI Express 4.0, dual-fan cooler, two HDMI 2.1 and three DisplayPort 1.4a outputs, 2.7-slot

  • Graphics processorGeForce RTX 3070
  • Memory capacity8 GB
  • Interface typePCI Express 4.0
  • CUDA core count5888
  • Highest resolution7680 × 4320
  • Boost frequency1845 MHz (OC Mode) 1815 MHz (Gaming Mode)
  • 8GB GDDR6 memory at 14 Gbps feeds high-resolution textures
  • 5888 CUDA cores accelerate compute and gaming workloads
  • PCI Express 4.0 interface doubles link bandwidth over previous standard
  • Dual-fan cooler maintains thermal headroom in a 2.7-slot design
  • 2 HDMI 2.1 and 3 DisplayPort 1.4a drive up to four 7680×4320 displays

ASUS KO GeForce RTX 3070 8GB

This graphics card uses the NVIDIA GeForce RTX 3070 GPU with 5888 CUDA cores and 8GB of GDDR6 memory on a 256-bit interface. It connects via PCI Express 4.0 and supports a maximum resolution of 7680 x 4320 across four displays. The dual-fan cooler handles thermal output in a 2.7-slot form factor.

Sustained load behaviour with dual-fan cooling

Under continuous workloads the card operates at a boost clock of 1815 MHz in Gaming Mode and 1845 MHz in OC Mode, with memory running at 14 Gbps. The double-fan cooler is designed to maintain these frequencies over extended periods rather than short bursts. A 750W power supply is recommended to feed the two 8-pin connectors reliably.

Build quality and daily connectivity

The board measures 275 mm in length and occupies 2.7 slots, so case clearance should be checked before installation. Outputs include two HDMI 2.1 ports and three DisplayPort 1.4a connectors for multi-monitor setups. HDCP 2.3 support ensures compatibility with protected content on modern displays.

How it compares

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

Price $219.99
Cheaper than about 68% of the 4,285 comparable items (median $354.99).
Memory capacity 8 GB
Typical for this category: the median of 3,563 items is 8 GB.
Boost frequency 1845 MHz (OC Mode) 1815 MHz (Gaming Mode)
Lower than about 58% of the 1,837 comparable items (median 1.89 GHz).

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Specifications

Product
Brand nameASUS
Product lineKO
Model nameKO-RTX3070-O8G-GAMING
Memory
Type of memoryGDDR6
Display
Highest resolution7680 × 4320
Graphics
Graphics processorGeForce RTX 3070
Memory capacity8 GB
Boost frequency1845 MHz (OC Mode)
1815 MHz (Gaming Mode)
CUDA core count5888
Core frequency1845 MHz
Chipset makerNVIDIA
Graphics seriesNVIDIA GeForce RTX 30 Series
Effective memory speed14 Gbit/s
Memory bus width256-Bit
OpenGL support4.6
Supported displays4
Audio & video
HDCP support2.3
Ports & slots
Interface typePCI Express 4.0
HDMI ports2 x HDMI 2.1
DisplayPort connectors3 x DisplayPort 1.4a
Power
Recommended power supply750 W
Power input connector2 × 8-Pin
Size & build
Max graphics card length275 mm
Card size10.82 in × 5.16 in
Slots occupied2.7 slot
Shipping weight1.91 kg
Package size406 × 235 × 83 mm
More details
Cooling solutionDouble Fans

Questions about this item

How much power does the RTX 3070 draw and what PSU is recommended for all-day use?

The card uses two 8-pin connectors and the manufacturer recommends a 750W power supply for stable operation.

My motherboard only has PCI Express 3.0 slots; will this KO series card still work?

Yes, the PCI Express 4.0 interface is backward compatible with 3.0 slots, so the card will function normally.

Can I keep using my older 1080p monitors that only have HDMI 1.4 inputs?

The two HDMI 2.1 ports and three DisplayPort 1.4a outputs will drive older 1080p displays without any issues.

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