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Black dual-fan graphics card with metal backplate, two-slot width

GIGABYTE Refurbished

GIGABYTE GV-N166SD6-6G GeForce GTX 1660 SUPER 6GB graphics card

SKU CH-X6QK-PMXS0 MPN GV-N166SD6-6G

Refurbished GeForce GTX 1660 SUPER with 6GB GDDR6, 1408 CUDA cores at 1785 MHz, WINDFORCE 2X cooling, HDMI 2.0b, three DisplayPort 1.4 outputs and an 8-pin power connector

  • Graphics processorGeForce GTX 1660 SUPER
  • Memory capacity6 GB
  • Interface typePCI Express 3.0 x16
  • CUDA core count1408
  • Highest resolution7680 × 4320 @ 60 Hz
  • Type of memoryGDDR6
  • 6 GB GDDR6 memory drives smooth 1080p gaming
  • 1408 CUDA cores accelerate parallel workloads
  • WINDFORCE 2X cooler with alternate-spinning 90 mm fans keeps temperatures low
  • HDMI 2.0b plus three DisplayPort 1.4 outputs support four monitors
  • Core clock reaches 1785 MHz for responsive performance

GIGABYTE GTX 1660 SUPER 6GB

The GIGABYTE GV-N166SD6-6G is a GeForce GTX 1660 SUPER graphics card built for 1080p gaming and multi-monitor productivity. It uses the NVIDIA Turing architecture with 1408 CUDA cores and a 1785 MHz core clock. Six GB of GDDR6 memory on a 192-bit bus provide 14000 MHz effective bandwidth. The card fits a standard ATX form factor at 226 mm length.

WINDFORCE 2X cooling under load

The WINDFORCE 2X cooler uses two 90 mm alternate-spinning fans and a protection back plate to manage heat during extended sessions. This layout moves air efficiently across the heatsink while the card draws power through a single 8-pin connector. A 450 W power supply is recommended to sustain the 1785 MHz boost clock without throttling during long gaming or rendering workloads.

PCI Express 3.0 x16 interface limits

The card connects via PCI Express 3.0 x16, capping theoretical bandwidth at the Gen 3.0 ceiling rather than newer Gen 4.0 or 5.0 speeds. Display outputs include one HDMI 2.0b and three DisplayPort 1.4 ports, supporting up to four monitors at 7680 x 4320 resolution at 60 Hz. DirectX 12 and OpenGL 4.6 provide the API foundation for current titles and creative applications.

How it compares

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

Price $81.99
Cheaper than about 93% of the 4,285 comparable items (median $354.99).
Memory capacity 6 GB
Lower than about 80% of the 3,563 comparable items (median 8 GB).
CUDA core count 1408
Lower than about 90% of the 1,946 comparable items (median 4,352).

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Specifications

Product
Brand nameGIGABYTE
Model nameGV-N166SD6-6GD
Product colorBlack
Memory
Type of memoryGDDR6
Display
Highest resolution7680 × 4320 @ 60 Hz
Graphics
Graphics processorGeForce GTX 1660 SUPER
Memory capacity6 GB
CUDA core count1408
Core frequency1785 MHz
Chipset makerNVIDIA
Effective memory speed14000 MHz
Memory bus width192-Bit
DirectX support12
OpenGL support4.6
Supported displays4
Ports & slots
Interface typePCI Express 3.0 x16
HDMI ports1 x HDMI 2.0b
DisplayPort connectors3 x DisplayPort 1.4
Power
Recommended power supply450 W
Power input connector8-Pin
Size & build
Form factorATX
Max graphics card length226 mm
Card size8.88 in × 4.8 in
Slots occupied2 Slots
Shipping weight0.73 kg
Package size333 × 236 × 58 mm
More details
Cooling solutionWINDFORCE 2X

Questions about this item

How loud and hot does the WINDFORCE 2X cooler run during all-day use?

The WINDFORCE 2X cooler uses two 90 mm alternate-spinning fans and a back plate to dissipate heat from the 1408 CUDA core GPU, targeting quiet operation under sustained load.

What power connector and PSU capacity are required to run this card?

The card draws power through a single 8-Pin connector and the manufacturer recommends a 450W power supply for stable operation.

Will the PCI Express 3.0 x16 interface work with my older PCIe 2.0 motherboard slot?

Yes, the PCI Express 3.0 x16 interface is backward compatible with PCIe 2.0 slots, though bandwidth will be limited to the older standard's speed.

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