24GB GDDR6X for demanding workloads
Its 24GB of GDDR6X memory, 21 Gbps memory speed, and 384-bit interface support 4K gaming and professional workloads.
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Updated 6 months ago
A powerhouse for 4K gaming and professional workloads, featuring 24GB VRAM and a massive triple-fan cooling system. Known for its premium build quality and high clock speeds.

Its 24GB of GDDR6X memory, 21 Gbps memory speed, and 384-bit interface support 4K gaming and professional workloads.
The NVIDIA GeForce RTX 4090 GPU features 16,384 CUDA cores and reaches up to 2640 MHz in OC mode.
A triple-fan air-cooling system uses a 3.5-slot design in a card measuring 357.6 x 149.3 x 70.1 mm.
The ASUS ROG Strix GeForce RTX 4090 OC Edition is a 3.5-slot graphics card with 24GB of GDDR6X memory, triple-fan air cooling, PCIe 4.0 connectivity, and a boost clock of up to 2640 MHz in OC mode.
The review describes the card as a behemoth that is well-suited for high-end systems pairing with Intel Core i9 or Ryzen 9 processors and 4K high-refresh-rate monitors.
The card is praised as a powerful flagship with excellent cooling, performance, and noise levels, though the reviewer notes it carries an expensive price premium that may be excessive for most users.
The review highlights significant improvements in performance and design over the previous generation, noting the card's capable cooling and overclocking potential as reasons it is an excellent flagship model.
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| Attribute | Specification | Notes |
|---|---|---|
| Boost Clock | 2610 | |
| Capacity | 24 GB/W | GB/W |
| Card Length | 357.6 | |
| Compatibility | PCI Express 4.0 | |
| Component Type | GPU | |
| Cooling Design | Triple-fan air cooling | |
| Dimensions | 357.6 x 149.3 x 70.1 mm | mm |
| Display Outputs | 2 | |
| Encoder Decoder Features | 3.5 | |
| Form Factor | 3.5-slot | |
| Gpu Architecture | 4 | |
| Gpu Model | Yes | |
| Interface Standard | PCIe 4.0, HDMI 2.1a, DisplayPort 1.4a, 16-pin power connector | |
| Manufacturer | ASUS | |
| Max Supported Displays | 1008 | |
| Memory Bandwidth | 384 | |
| Memory Bus Width | 1 | |
| Pcie Interface | 450 | |
| Performance Spec | NVIDIA GeForce RTX 4090, OC mode: 2640 MHz; Default mode: 2610 MHz (Boost Clock), 24GB GDDR6X, Memory speed: 21 Gbps, Memory interface: 384-bit, CUDA cores: 16384 | |
| Power Connectors | 1000 | |
| Power Requirements | 1000 W | W |
| Thermal Design | 3.5-slot air cooling, 3.5-slot design | |
| Vram Capacity | 24 |

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