UltraPN51 Pro 5 Discontinued | Discontinued |
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Quiet PC UltraPN51 Pro 5
Built with a AMD Ryzen processors with Radeon graphics, the UltraPN51 Pro 5 gives you the performance to virtually handle anything you care to throw at it.
Features
- ASUS PN51 AMD Ryzen Kits configurable to your exact requirements
- Thermally-sensitive fan operates from only 21.9 dBA
- We build to your specification and deliver within 7 days
- Clean Build™ Promise and original OS+drivers supplied on DVDs
- Two year warranty with open-case policy
- Ultra-compact system offers up to four 4K@60Hz outputs
ASUS Mini PC PN51 is an ultracompact computer that delivers powerful performance for a wide variety of home and business applications – and is the worthy successor to the popular ASUS Mini PC PN50. Featuring the latest AMD Ryzen 5000 mobile processor with Radeon Vega 7 graphics, plus support for high-speed 3200 MHz DDR4 memory, Mini PC PN51 is ready for demanding workloads, yet its diminutive size takes up minimal space on a desk and makes it suited for applications where traditional PCs won’t fit – from digital signage to home-theater setups.
Even though the UltraPN51 is small in size, it is just as versatile as a full-sized computer whilst being convenient enough to be portable. The HDMI and standard DisplayPort outputs provides full 4K resolution as well as 7.1 digital audio output, (a capable AV Receiver is required). There’s also two USB Type-C port that provides USB 3.1 for faster data transfer or the capabilities of connecting a further two monitors. It’s also possible when connecting the UltraPN51 to DP++ compatible devices to have a single 8K at 60Hz output, for resolutions four times greater than 4K!
Extensive Connectivity
For such a small chassis, you’d expect to see some lack of connectivity or compromises due to its size. In fact the UltraPN51 has an extensive range of ports available. Take a look at the image below to see which ports are available.

Front and rear view of the UltraPN51 , please note the configurable port features a single DisplayPort
Up to Eight Core Processing Power
The AMD Ryzen series processors are becoming the “go-to” CPU for virtually any personal computer. The processors in the UltraPN51 are AMD’s “U” suffix variants. The “U” denotes that the CPU is a lower power alternative to their desktop brothers and as such will consume less power and generate less heat. This makes them perfect for such a small environment.
The UltraPN51 can be configured with a choice of one of AMD’s excellent mobile processors. As you can see from the table below all CPUs offer different clock speeds. They also all feature “Turbo Frequency” allowing them to provide that extra performance when required. The Ryzen 3 is a quad-core processor, making it ideal as home or office PCs, the Ryzen 5 has 6-cores for more intensive tasks, while the Ryzen 7 is an 8-core processor, giving it more performance for more demanding jobs.
Processor | Cores/Threads | Base Frequency | Turbo Frequency | Cache | GPU Cores | More info | Passmark Score |
---|---|---|---|---|---|---|---|
Ryzen 3 5300U | 4/8 | 2.6 GHz | 3.8 GHz | 6MB | 6 | Link | 10,099 |
Ryzen 5 5500U | 6/12 | 2.1 GHz | 4.0 GHz | 11MB | 7 | Link | 13,246 |
Ryzen 7 5700U | 8/16 | 1.8 GHz | 4.3 GHz | 12MB | 8 | Link | 16,552 |
You can easily travel with the UltraPN51 and simply connect it to an LCD TV at the place you’re travelling to - a remote office, hotel room or friend’s house. A whole host of capabilities are possible when connected to the internet via broadband. The UltraPN51 is the epitome of versatility and portability. Alternatively, you can enjoy an uncluttered desk with the UltraPN51 mounted somewhere out of the way - even behind your monitor! (A VESA monitor mounting bracket is provided.)
Clean Build™ Promise
These days, many pre-built PCs often rely on cash incentives from software companies to support their prices. These companies pay hardware manufacturers to pre-install limited or trial versions of their software, hoping that customers will eventually opt to upgrade to the full version. Unfortunately, this approach has a downside: it fills the new PC with unnecessary “junkware,” leading to an inflated operating system and performance issues.
At Quiet PC, we firmly believe that customers deserve the utmost performance from their brand new PCs. That’s why we proudly offer our Clean Build™ promise with every system we build. When you choose one of our PCs, we install only the essentials: the operating system (if requested), motherboard drivers, OS updates and Windows Security. Say goodbye to annoying pop-ups and nag screens. With our clean build promise you can immediately start using your new PC without the hassle of uninstalling numerous unwanted programs. Experience lightning-fast boot times and enjoy optimal performance for months and years to come.
Free hardware support and fully inclusive warranty
We offer free hardware technical support for as long as you own the machine. This support covers any hardware query or problem, including advice on maintenance and upgrades. We regret we can’t offer software support or training so we would recommend contacting the software vendor in this instance.
Our hardware warranty runs for at least two years and is “collect and return” meaning that you don’t need to worry about getting the machine back to us - we will instruct our courier to collect it from you on a day of your choosing, then after we have checked and repaired it we will send it back to you by express courier at our expense. In addition, unlike many other PC suppliers, we have an “open-case” policy which means you are free to open the machine and perform your own minor modifications or upgrades without worrying that your warranty might be affected.
Specifications | UltraPN51 Pro 5 |
---|---|
Model number | UltraPN51 Pro 5 |
CPU | AMD Ryzen 3 5300U, AMD Ryzen 5 5500U, AMD Ryzen 7 5700U |
Ryzen 3 5300U Details | 2.6 - 3.8 GHz, 4 cores, 4 threads, 15W TDP, 6MB Cache, 6 GPU Cores |
Ryzen 5 5500U Details | 2.1 - 4.0 GHz, 6 cores, 12 threads, 15W TDP, 11MB Cache, 7 GPU Cores |
Ryzen 7 5700U Details | 1.8 - 4.31 GHz, 8 cores, 16 threads, 15W TDP, 12MB Cache, 8 GPU Cores |
CPU lithography | TSMC 7nm FinFET |
Graphics | AMD Radeon Graphics |
RAM | 2x Dual channel DDR4 SO-DIMM |
Supported memory type | Up to 3200MHz |
Maximum memory | 64 GB (2x 32GB) |
Internal storage | 1x M.2 and 1x 2.5” drive |
Wireless | Intel Wi-Fi 6 AX200 and BT5 |
LAN | 10/100/1000/Gigabits Mbps |
Side I/O Ports | 1x Kensington Lock |
Front I/O Ports | 2x Microphone, 1x USB 3.2 Gen 2 Type-C, 1x USB 3.2 Gen 1 Type-A, 1x Audio jack, 1x Consumer IR sensor * |
Back I/O Ports | 1x USB 3.2 Gen 2 Type-C, 2x USB 3.2 Gen 1 Type-A, 1x HDMI, 1x RJ45 LAN, 1x DC-in, 1x Configurable port (DisplayPort) * |
Card Reader | 3-in-1: SD/SDHC/SDXC |
Power Supply | 65W Power adapter or 90W Power Adapter |
Dimensions | 115 x 115 x 49 mm (WxDxH) |
VESA mounting bracket included | Yes |
Weight including SSD and memory | 600 g |
Warranty | 24 months |
- *Both front and back USB3.2 Gen2 Type-C port support DisplayPort output
Specifications | UltraPN51 Pro 5 |
---|---|
Model number | UltraPN51 Pro 5 |
CPU | AMD Ryzen 3 5300U, AMD Ryzen 5 5500U, AMD Ryzen 7 5700U |
Ryzen 3 5300U Details | 2.6 - 3.8 GHz, 4 cores, 4 threads, 15W TDP, 6MB Cache, 6 GPU Cores |
Ryzen 5 5500U Details | 2.1 - 4.0 GHz, 6 cores, 12 threads, 15W TDP, 11MB Cache, 7 GPU Cores |
Ryzen 7 5700U Details | 1.8 - 4.31 GHz, 8 cores, 16 threads, 15W TDP, 12MB Cache, 8 GPU Cores |
CPU lithography | TSMC 7nm FinFET |
Graphics | AMD Radeon Graphics |
RAM | 2x Dual channel DDR4 SO-DIMM |
Supported memory type | Up to 3200MHz |
Maximum memory | 64 GB (2x 32GB) |
Internal storage | 1x M.2 and 1x 2.5” drive |
Wireless | Intel Wi-Fi 6 AX200 and BT5 |
LAN | 10/100/1000/Gigabits Mbps |
Side I/O Ports | 1x Kensington Lock |
Front I/O Ports | 2x Microphone, 1x USB 3.2 Gen 2 Type-C, 1x USB 3.2 Gen 1 Type-A, 1x Audio jack, 1x Consumer IR sensor * |
Back I/O Ports | 1x USB 3.2 Gen 2 Type-C, 2x USB 3.2 Gen 1 Type-A, 1x HDMI, 1x RJ45 LAN, 1x DC-in, 1x Configurable port (DisplayPort) * |
Card Reader | 3-in-1: SD/SDHC/SDXC |
Power Supply | 65W Power adapter or 90W Power Adapter |
Dimensions | 115 x 115 x 49 mm (WxDxH) |
VESA mounting bracket included | Yes |
Weight including SSD and memory | 600 g |
Warranty | 24 months |
- *Both front and back USB3.2 Gen2 Type-C port support DisplayPort output
See Also
Top Ultra-Compact Barebones

Akasa Turing AC Pro Compact Fanless 12/13th Gen NUC Chassis

Quiet PC UltraNUC Pro 13 Fanless

Quiet PC Wi-Fi and Bluetooth Antennae Kit

Intel NUC 13 Pro Kit NUC13ANHi5 Tall, Core i5, 12C/16T, 1.9-4.6GHz

Quiet PC UltraNUC Pro 13

Quiet PC UltraPN52 Pro 5

Intel NUC 13 Pro Kit NUC13ANHi7 Tall, Core i7, 12C/16T, 1.9-5.0GHz

Intel NUC 13 Pro Kit NUC13ANKi3 Slim, Core i3, 8C/10T, 1.2-4.5GHz

Intel NUC 13 Pro Kit NUC13ANHi3 Tall, Core i3, 8C/10T, 1.2-4.5GHz

ASUS Mini PC PN52 Ryzen 7 5800H