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Triple-fan graphics card with brushed metal backplate and silver shroud

MSI

MSI GeForce RTX 3080 Ti SUPRIM X 12G graphics card

SKU CH-AR6T-2ETHK

High-performance GPU with 12 GB GDDR6X memory, 384-bit bus and 19000 MHz clock for 7680×4320 output

  • Memory capacity12 GB
  • Interface typePCI Express 4.0 16X
  • Highest resolution7680 × 4320
  • Type of memoryGDDR6X
  • Core frequency19000 MHz
  • Chipset makerNVIDIA
  • 12 GB GDDR6X memory delivers high bandwidth for 8K workloads
  • 384-bit memory interface supports fast data throughput at 19000 MHz
  • PCI Express 4.0 x16 link provides full bus speed for modern platforms
  • Triple 8-pin power connectors supply stable current for sustained boost clocks
  • Maximum resolution of 7680×4320 enables detailed multi-monitor or single-panel 8K output

Premium 12 GB RTX graphics card

This MSI GeForce RTX 3080 Ti SUPRIM X 12G delivers 12 GB of GDDR6X memory on a 384 bit bus for high resolution gaming and creative workloads. The PCI Express 4.0 16X interface provides full bandwidth to modern platforms. It targets enthusiasts who need maximum frame rates at 4K and beyond.

Triple 8 pin power and thermal headroom

Three 8 pin power connectors supply the energy required for sustained 19000 MHz memory clocks and high core boost frequencies. The robust power delivery system is engineered to handle heavy compute loads while maintaining stable operation. Efficient cooling keeps thermals and acoustic output controlled during extended sessions.

SUPRIM X build quality and connectivity

The SUPRIM X chassis uses premium materials and a reinforced frame to prevent PCB flex and protect components. Three 8 pin sockets demand a capable power supply and careful cable routing for a clean build. Display outputs support up to 7680×4320 resolution for multi monitor or single panel 8K workflows.

How it compares

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

Price $803.99
Pricier than about 82% 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).
Core frequency 19000 MHz
Higher than about 90% of the 1,624 comparable items (median 1.82 GHz).

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Specifications

Product
Brand nameMSI
Model nameMSI GeForce RTX 3080 Ti SUPRIM X 12G
Memory
Type of memoryGDDR6X
Display
Highest resolution7680 × 4320
Graphics
Memory capacity12 GB
Core frequency19000 MHz
Chipset makerNVIDIA
Memory bus width384bit
Ports & slots
Interface typePCI Express 4.0 16X
Power
Power input connector8pin+8pin+8pin

Questions about this item

How do I install the card with three 8-pin connectors and what step gets missed?

Insert the card into a PCI Express 4.0 16X slot, then plug all three 8-pin power connectors from the PSU; the step often missed is connecting the third 8-pin, which the card requires for full operation.

What maintenance will the GDDR6X memory and cooling need later?

Dust the heatsink and fans periodically; the 12GB GDDR6X memory has no user-serviceable parts and does not require replacement under normal use.

At what point does the 384-bit memory interface become the limit during sustained loads?

The 384-bit interface paired with 19000MHz GDDR6X sets the memory bandwidth ceiling; sustained compute loads that saturate this bandwidth will hit that limit first.

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