Active cooling VRM heatsink
Dual custom Delta Superflo fans located within the heatsink kick on after 60° C and allow the ASUS TRX40 to handle sustained power draw of over 500 watts.
The AMD TRX40 chipset harnesses the numerous cores and massive bandwidth and multi-lane compatibility available in the latest AMD Ryzen™ Threadripper™ processors to provide next-level performance and rich connectivity for power users, content creators and enthusiasts who demand the very best from their builds. From the intelligent VRM design that ensures robust and reliable power delivery to the use of high-quality components, ASUS TRX40 series motherboards are packed with crucial design features that get the most out of this demanding platform.
GET THE MOST OUT OF ALL YOUR CORES
Teamed Power Architecture
Modern CPU architectures up the ante for motherboard power design by transitioning from deep power saving modes to full load almost instantaneously. Our latest VRM architecture rises to the challenge by utilizing teamed power stages to rapidly swing current, while maintaining exemplary thermal performance.
We became the first manufacturer to implement phase-doublers when we shipped our A8N32-SLI Deluxe motherboard, back in 2005. The board's VRM was lauded for elegantly overcoming the power handling capabilities of components that were available at the time and also reducing voltage ripple. Those benefits led to phase-doublers becoming universally accepted in the industry, and they are still used for similar purposes today.
While doublers help extend the number of effective phases, they do so at the cost of a processing delay.
However, the current crop of CPUs pack more cores than their predecessors, and the latest instruction sets allow them to crunch computationally-dense workloads at an incredible pace. As an added bonus, they also consume less power at idle and can transition between loads states much more quickly. These improvements necessitate a re-evaluation of power-design priorities because phase-doublers add a propagation delay that hampers transient response.
The teamed architecture allows two power stages to work in tandem to provide more power to the CPU.
**Hover your mouse to compare**
Fortunately, the latest integrated power components can handle higher currents than the devices of yesteryear, making it possible to implement a simple circuit topology that isn't hamstrung by the processing lag of phase-doublers. That's why ASUS TRX40 utilizes teamed power stages to deliver higher burst current per phase, while maintaining the thermal performance of phase-doubled designs.
Learn more about Thermal Comparison Result
Teamed Solution
Phase-Doubled Solution
Pitting the teamed VRM against a phase-doubled solution results in near identical thermal performance.
The MOSFETs within the power stages generate the most heat as they are responsible for voltage conversion and delivery to the CPU from the 12V EPS connector.
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Each VRM component serves a specific purpose. PWM controllers and phase-doublers control the circuit, and the power stages do the heavy lifting from an electrical and thermal standpoint. That's why ROG Zenith II Extreme utilizes 16 Infineon TDA21472 power stages. The TDA21472 sits at the top of Infineon's lineup and features a low RDSON to reduce switching and conduction losses, helping to improve overall thermal headroom.
Dual 8-pin &one 6-pin ProCool II power connectors
Three ProCool II connectors ensure a snug and reliable connection to the EPS 12V power lines.
Infineon TDA21472 power stage
16 Infineon TDA21472 power stages comprise the ASUS TRX40 VRM, each rated to handle 70 amps.
MicroFine alloy chokes
Each Power stage is accompanied by a
high-permeability alloy-core choke rated to
handle 45 amps.
10K Japanese-made black metallic capacitors
Input and output filtering is provided by
solid-polymer capacitors rated to last
thousands of hours at high operating
temperatures.
Cooling Heatsinks
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VRM heatsink
A VRM heatsink is placed on the MOSFETs and chokes, and the embedded heatpipe connects to the aluminum I/O cover. -
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Aluminum I/O cover
An aluminum I/O cover is connected to the primary heatsink via an embedded heatpipe, increasing mass and surface area. -
3
Aluminum heatsink cover
The heatsink cover is crafted from pure aluminum to efficiently cool the two onboard M.2 drives. -
4
DIMM.2 heatsinks
The ROG DIMM.2 module now passively cools M.2 drives with metal heatsinks that also keep your build looking clean. -
5
Solid steel backplate
A steel, cold-rolled coil construction backplate strengthens the motherboard to prevent bending, and adds additional mass to siphon heat from the VRM. -
6
SoC VRM Heatsink
Designed to cool the vital motherboard chipset area. -
7
Chipset heatsink
A chipset heatsink blends seamlessly with the aluminum heatsink cover and prominently features the ROG logo.
Active-cooling chipset heatsink
Under the chipset's aluminum heatsink is a fan that turns on above 60°C. The SoC VRM is also positioned in the pathway of this fan's airflow, keeping it cooler during memory overclocking.
1. CUSTOM DELTA SUPERFLO FANS
The custom low-noise fans features high-durability bearings with a 60,000-hour L10* lifespan.
* L10 bearing lifespan specifies the minimum number of hours that 90% of the bearings are expected to last.
2. FINNED HEATSINK
The heatsink fin density is optimized to maximize surface area while maintaining a low-resistance exhaust path.
3. AIR DUCT
A specially-designed air duct helps the fan generate static pressure and concentrates air flow over the fins.
Make Your Memory Go Faster
The TRX40 platform delivers ample bandwidth on multiple fronts. Its quad-channel memory controller supports up to 256 GB of DDR4 memory across eight slots.
Multi-GPU Support
Fully loaded takes on a new meaning when you have up to 64 PCIe 4.0 lanes stemming from the CPU. These lanes can be split in an x16/x16/x16 configuration spanning the board's trio of PCIe x16 slots, allowing you to load up on GPUs to supercharge your work efficiency – whether you're a CAD professional, 3D artist or other content creation experts.
Learn more to protect your graphics card investment
MASSIVE BANDWIDTH FOR ANY TASK
PCIe 4.0 Ready
Having the bandwidth to drive multiple PCIe SSDs and graphics cards is part of the allure of high-end desktop platforms. That's why every PCIe x16 and M.2 slot on ASUS TRX40 series motherboards supports PCIe 4.0, delivering up to 32 GB/s bandwidth. With up to five M.2 slots, our latest motherboards come equipped with all the capacity you need to create your ultimate build.
USB Connectivity
ASUS TRX40 is compatible with the latest USB 3.2 Gen 2x2. The latest USB standard doubles the transfer bandwidth by opening another USB 3.2 Gen 2 lane to achieve its maximum throughput of up to 20 Gbps. It's also equipped with two front-panel USB 3.2 connectors to accommodate more devices through your chassis I/O.
Ultrafast Networking
ASUS TRX40 series motherboards feature ultra-low latency, high-speed wired connections with the Intel Gigabit Ethernet I1211AT controller, plus ultrafast Aquantia® 10G, 5G or Realtek 2.5G Ethernet controllers on select models. ROG TRX40 series motherboards feature the Intel® WiFi 6 AX200 wireless network adapter, delivering all the benefits of the WiFi 6 (802.11ax) networking standard, including incredible transfer speeds of up to 2.4 Gbps and optimized performance on crowded networks.
CHOOSE YOUR TRX40 SERIES
ROG Zenith II Extreme
Expertly engineered for those who demand full control, ROG Zenith II Extreme is future-proofed, ready for anything in the pipeline. It’s primed to unleash the full force of the latest 3rd Gen Ryzen Threadripper processors, while keeping thermals in check with a comprehensive cooling solution. Maximized lane bandwidth lets you connect up to 33 devices simultaneously, while every single PCIe x16 and M.2 slot is wired with PCIe® 4.0 – so you’re free to equip next-gen graphics cards or NVMe drives without fear of bottlenecks. Massive power, massive bandwidth.
SPECIFICATIONS
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| Model Name | ROG Zenith II Extreme Alpha | ROG Zenith II Extreme | ROG Strix TRX40-E Gaming | Prime TRX40-Pro | |
| Chipset | AMD sTRX4 Socket for 3rd Gen Ryzen™ Threadripper™ processors AMD TRX40 Chipset |
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| Form Factor | EATX | EATX | ATX | ATX | |
| Memory | Memory Slots / Maximum Capacity | 8 DIMM / 256GB DDR4 | 8 DIMM / 256GB DDR4 | 8 DIMM / 256GB DDR4 | 8 DIMM / 256GB DDR4 |
| Aesthetic Cover | Yes | Yes | Yes | Yes | |
| Graphics Output | N/A | N/A | N/A | N/A | |
| Multi-GPU Support | 3-WAY SLI/CFX | 3-WAY SLI/CFX | 2-WAY SLI/CFX | 2-WAY SLI/CFX | |
| Expansion Slots | PCIe 4.0 x16 | 4 | 4 | 3 | 3 |
| PCIe 4.0 x4 | 0 | 0 | 1 | 1 | |
| Storage & Connectivity | SATA 6Gb/s | 8 | 8 | 8 | 8 |
| M.2 Qty x Max. Length (Mode) |
5 | 5 | 3 | 3 | |
| 2 x 22110 (PCIe 4.0 + SATA modes) |
2 x 22110 (PCIe 4.0 + SATA modes) |
1 x 22110 (PCIe 4.0 + SATA modes) |
1 x 22110 (PCIe 4.0 + SATA modes) |
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| 3 x 2280(PCIe 4.0) | 3 x 2280(PCIe 4.0) | 2 x 22110(PCIe 4.0) | 2 x 22110(PCIe 4.0) | ||
| USB 3.2 Gen 2x2 | 1 | 1 | N/A | N/A | |
| USB 3.2 Gen 2 Front Panel Connector | 2 | 2 | 1 | 1 | |
| USB 3.2 Gen 2 | 1 x Type-C™ & 6 x Type-A | 1 x Type-C™ & 6 x Type-A | 1 x Type-C™ & 7 x Type-A | 1 x Type-C™ & 3 x Type-A | |
| USB 3.2 Gen 1 | 8 | 8 | 4 | 10 | |
| Networking | Gigabit Ethernet | Aquantia®AQC-107 10G LAN Intel®I211AT |
Aquantia®AQC-107 10G LAN Intel®I211AT |
Realtek®2.5G LAN Intel®I211AT |
Intel®I211AT |
| Wireless / Bluetooth | Intel®Wi-Fi 6 AX200 2 x 2 Wi-Fi 6 (802.11 a/b/g/n/ac/ax) with MU-MIMO supports dual frequency band 2.4/5GHz |
Intel®Wi-Fi 6 AX200 2 x 2 Wi-Fi 6 (802.11 a/b/g/n/ac/ax) with MU-MIMO supports dual frequency band 2.4/5GHz |
Intel®Wi-Fi 6 AX200 2 x 2 Wi-Fi 6 (802.11 a/b/g/n/ac/ax) with MU-MIMO supports dual frequency band 2.4/5GHz |
Wi-Fi E key | |
| Bluetooth v5.0 | Bluetooth v5.0 | Bluetooth v5.0 | N/A | ||
| Audio | Codec | SupremeFX S1220 | SupremeFX S1220 | SupremeFX S1220 | Realtek S1220 |
| Effects | DTS® Sound Unbound Sonic Studio III Sonic Radar III Sonic Studio Virtual Mixer |
DTS® Sound Unbound Sonic Studio III Sonic Radar III Sonic Studio Virtual Mixer |
DTS® Sound Unbound Sonic Studio III Sonic Radar III Sonic Studio Virtual Mixer |
DTS : X® Ultra | |
| Cooling | PWM/DC Fan Headers | 8 | 8 | 7 | 7 |
| Fan Ext Card Support | Fan Extention Card II | Fan Extention Card II | Fan Extention Card II | Fan Extention Card II | |
| AIO Pump Header | N/A | N/A | 1 | 1 | |
| Water Pump+ Header | 2 | 2 | 1 | 1 | |
| M.2 cooling solution | Aluminum M.2 heatsink cover DIMM.2 Heatsink |
Aluminum M.2 heatsink cover DIMM.2 Heatsink |
Aluminum M.2 heatsink cover | Aluminum M.2 heatsink cover | |
| Water Cooling Zone | Water Flow Monitoring | Yes | Yes | N/A | N/A |
| Water Temp Detection | Yes | Yes | N/A | N/A | |
| Personalization | AURA Lighting Control | Yes | Yes | Yes | Yes |
| 4-Pin RGB Header | 2 | 2 | 2 | 2 | |
| Addressable Header | 2 | 2 | 2 | 2 | |
| LiveDash OLED | Yes (1.77" / colored) | Yes (1.77" / colored) | Yes (1.3") | N/A | |
| Power Solution | 16 Infineon TDA21490 Power Stages | 16 Power Stages | 16 Power Stages | 16 Power Stages | |
