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ASUS ROG STRIX RTX 3080 Ti graphics card with integrated liquid cooling block and radiator

ASUS Refurbished

ASUS STX-LC-RTX3080TI-O12 GeForce RTX 3080 Ti graphics card

SKU CH-P623-TXRX2 MPN STX-LC-RTX3080TI-O12

Refurbished GeForce RTX 3080 Ti with 12GB GDDR6X, 10240 CUDA cores, and hybrid cooling for PCIe 4.0 systems

  • Graphics processorGeForce RTX 3080 Ti
  • Memory capacity12 GB
  • Interface typePCI Express 4.0 x16
  • CUDA core count10240
  • Highest resolution7680 × 4320
  • Boost frequencyOC mode: 1860 MHz Gaming mode: 1830 MHz
  • 12 GB GDDR6X memory delivers high bandwidth for 4K gaming
  • 10240 CUDA cores accelerate rendering and compute workloads
  • Boost clock reaches 1860 MHz in OC mode for extra speed
  • PCI Express 4.0 x16 interface provides fast data throughput
  • Hybrid cooler combines liquid and air for efficient thermal control

Built for 4K creators and competitive gamers

This ROG STRIX GeForce RTX 3080 Ti ships with 12GB of GDDR6X memory across a 384-bit bus and 10240 CUDA cores. The PCI Express 4.0 x16 interface feeds data to the GPU at full speed. Two HDMI 2.1 and three DisplayPort 1.4a outputs drive up to four displays at 7680 x 4320 resolution.

Hybrid cooling keeps clocks steady through long

The liquid loop moves heat away from the GPU die while a shroud fan handles VRM and memory thermals. In OC mode the boost clock holds at 1860 MHz; gaming mode runs at 1830 MHz. Memory stays at 19 Gbps effective, so frame pacing remains consistent during extended rendering or raid encounters.

Power draw and acoustics balanced for daily use

Three 8-pin connectors draw from an 850W supply to sustain the 3080 Ti under full load. The hybrid design shifts most thermal mass to the radiator, lowering in-case temperatures and reducing fan speed compared with air-only models. HDCP 2.3 support secures protected content playback without extra hardware.

How it compares

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

Price $410.99
Pricier than about 56% of the 4,285 comparable items (median $354.99).
Memory capacity 12 GB
Higher than about 60% of the 3,563 comparable items (median 8 GB).
Boost frequency OC mode: 1860 MHz Gaming mode: 1830 MHz
Lower than about 55% of the 1,837 comparable items (median 1.89 GHz).

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Specifications

Product
Brand nameASUS
Product lineROG STRIX
Model nameROG-STRIX-LC-RTX3080TI-O12G-GAMING
Memory
Type of memoryGDDR6X
Display
Highest resolution7680 × 4320
Graphics
Graphics processorGeForce RTX 3080 Ti
Memory capacity12 GB
Boost frequencyOC mode: 1860 MHz
Gaming mode: 1830 MHz
CUDA core count10240
Chipset makerNVIDIA
Graphics seriesNVIDIA GeForce RTX 30 Series
Effective memory speed19 Gbit/s
Memory bus width384-Bit
DirectX support12 Ultimate
OpenGL support4.6
Supported displays4
Multi-GPU supportNo
Audio & video
HDCP support2.3
Ports & slots
Interface typePCI Express 4.0 x16
HDMI ports2 x HDMI 2.1
DisplayPort connectors3 x DisplayPort 1.4a
Power
Recommended power supply850 W
Power input connector3 × 8-Pin
Size & build
Max graphics card length293 mm
Card sizeCard: 11.54 in × 5.24 in
Radiator: 10.71 in × 4.76 in (including fan)
Slots occupied2.6 slot
Shipping weight3.40 kg
Package size422 × 259 × 170 mm
More details
Cooling solutionHybrid Cooler

Questions about this item

How loud and hot does the ROG STRIX LC RTX 3080 Ti run with its hybrid cooler under all-day load?

The hybrid cooler combines a liquid-chilled cold plate for the GPU with a blower-style fan that exhausts heat directly out the rear bracket, keeping core temperatures lower than air-only designs while the single fan runs at moderate RPM for typical gaming loads.

What power supply and connectors must my system already have for the 850 W recommended PSU and three 8-pin plugs on this card?

You need a power supply rated for at least 850 W with three dedicated 8-pin PCIe power cables; adapters or daisy-chained cables are not recommended for stable operation.

Will the PCI Express 4.0 x16 interface and HDMI 2.1 ports work properly on my older PCIe 3.0 motherboard and HDMI 2.0 monitor?

Yes, the card is backward compatible — it will run at PCIe 3.0 x16 speeds on a 3.0 slot with negligible performance loss, and the HDMI 2.1 ports will drive an HDMI 2.0 display at its native 4K 60 Hz limit.

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