Built on NVIDIA’s Ampere architecture, the RTX 3080 OC Edition boosts to 1890 MHz in OC mode and 1860 MHz in Gaming mode. The card carries 8,960 CUDA cores alongside second-generation RT Cores delivering twice the throughput of the first generation, and third-generation Tensor Cores with up to twice the throughput via structural sparsity — the foundation for fast ray tracing and DLSS-accelerated rendering. The 12GB of GDDR6X VRAM runs across a 384-bit interface, giving this card meaningfully more headroom than the original 10GB RTX 3080 for high-resolution textures and large creative workloads.

Axial-Tech Triple-Fan Cooling

The Axial-tech fan design has been tuned with a higher blade count and a reversed rotational direction on the centre fan to reduce air turbulence and improve static pressure through the heatsink fins. The 2.9-slot design expands the cooling surface area compared to last-gen, giving the heatsink more mass to absorb sustained load without thermal throttling. All three fans stop entirely under light loads for silent operation during desktop use and light gaming.

ROG Build Quality and Features

An onboard circuit monitors PSU rail voltage and lights a red LED indicator if the voltage drops too low — a useful safeguard against underpowered PSU configurations. A reinforced metal frame adds structural rigidity to the PCB. AURA Sync ARGB lighting is configurable via Armoury Crate software with modes including Static, Breathing, Rainbow, and Adaptive. The GPU Tweak II utility provides manual control over core clocks, memory frequency, voltage, and fan curves with real-time monitoring via an on-screen display.

Connectivity and Display Output

Outputs include two native HDMI 2.1 ports and three DisplayPort 1.4a ports, supporting up to four simultaneous displays at a maximum resolution of 7680×4320. The card connects via PCIe 4.0 x16 and requires a 750W PSU minimum. Power is supplied via three 8-pin connectors.

Size warning: This is a 2.9-slot card measuring 318.5 mm in length. Verify GPU clearance and slot spacing in your chassis before purchasing — it will physically block the slot directly adjacent in most boards.

Power requirements: Three 8-pin PCIe power connectors are required. Confirm your PSU has three independent 8-pin cables — do not use splitters or daisy-chain adapters.

Key Highlights

• NVIDIA Ampere architecture — 8,960 CUDA cores
• 12GB GDDR6X, 384-bit bus
• 1890 MHz boost (OC mode) / 1860 MHz (Gaming mode)
• Triple Axial-tech fans with reversed centre-fan rotation
• 2.9-slot heatsink design
• 2nd Gen RT Cores + 3rd Gen Tensor Cores
• NVIDIA DLSS support
• AURA Sync ARGB lighting (Armoury Crate)
• GPU Tweak II overclocking and monitoring utility
• 2× HDMI 2.1, 3× DisplayPort 1.4a — up to 4 displays / 8K output
• PCIe 4.0 x16 interface
• 318.5 mm length, 2.9-slot design
• 750 W PSU recommended — 3× 8-pin connectors

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