Mini PC Win11 Pro, Mini Computers Core i9-12900HK(KT-M9)

#29

KOOSMILE

KOOSMILE Mini PC Win11 Pro, Mini Computers Core i9-12900HK(KT-M9)

Name: Mini PC Win11 Pro, Mini Computers Core i9-12900HK(KT-M9)
Brand: KOOSMILE
SKU: B0DMSY72RB
Price: 599 JPY
Availability: InStock
Rating: 4.4750000000000005 (1 reviews)

Rating

Model: KT-M9

$599(incl. tax)Amazon price as of 2025-10-19

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Product Overview

The KOOSMILE Mini PC KT-M9 features a Core i9-12900HK processor, 32GB DDR4 RAM, and a 1TB PCIe 3.0 SSD. It supports triple display output via HDMI 2.1, DP 1.4a, and Type-C, with 8K/4K resolution. Includes WiFi 6, Bluetooth 5.2, and runs Windows 11 Pro. The built-in smart display monitors system info. Designed for multitasking, office, business, streaming, and home entertainment. It has an efficient cooling system and comes with accessories like HDMI and DP cables.

KOOSMILE Mini PC Win11 Pro, Mini Computers Core i9-12900HK(KT-M9) の商品画像 1

KOOSMILE Mini PC Win11 Pro, Mini Computers Core i9-12900HK(KT-M9) の商品画像 2

KOOSMILE Mini PC Win11 Pro, Mini Computers Core i9-12900HK(KT-M9) の商品画像 3

KOOSMILE Mini PC Win11 Pro, Mini Computers Core i9-12900HK(KT-M9) の商品画像 4

KOOSMILE Mini PC Win11 Pro, Mini Computers Core i9-12900HK(KT-M9) の商品画像 5

KOOSMILE Mini PC Win11 Pro, Mini Computers Core i9-12900HK(KT-M9) の商品画像 6

KOOSMILE Mini PC Win11 Pro, Mini Computers Core i9-12900HK(KT-M9) の商品画像 7

KOOSMILE Mini PC Win11 Pro, Mini Computers Core i9-12900HK(KT-M9) の商品画像 8

Product Specifications

CPU Model

Core i9-12900HK

RAM Size

32GB

Storage Type

SSD

Storage Capacity

1000GB

Graphics Card

Intel Iris Xe Graphics

Wi-Fi Support

Wifi6

Bluetooth Support

BT 5.2

USB Ports

HDMI Ports

Operating System

Windows 11 Pro

Size & Weight

Weight

2.57 pounds

Hight

2.91 inches

Width

7.09 inches

Depth

9.61 inches

Features

VESA Mount Function

Feature Description

Includes a bracket that allows mounting the mini PC to the back of a monitor or a wall. This function helps save desk space and create a cleaner, more organized workspace. Ideal for users with limited desk space or those who prefer a minimalist setup.

About This Product

The included VESA mount allows you to attach the mini PC to the back of a monitor or TV, saving desk space and creating a cleaner setup. This is especially useful in small offices or home environments where space is limited, providing a tidy and organized workspace.

Dual Display Output Function

Feature Description

Supports simultaneous output to two monitors using HDMI and/or DisplayPort. This allows for extended desktop space and improved multitasking capabilities. Useful for tasks that require multiple applications to be open at the same time, such as content creation or data analysis.

About This Product

The mini PC supports triple display output via HDMI, DisplayPort, and USB-C, enabling you to connect multiple monitors simultaneously. This enhances productivity and multitasking capabilities, making it ideal for users who need to work with multiple applications at once or require an extended desktop space.

Expandable Storage Function

Feature Description

Allows for the addition of internal storage, such as a 2.5-inch SSD or HDD, in addition to the primary storage. This provides flexibility to increase storage capacity as needed. Suitable for users who require more space for files, applications, and media.

About This Product

The mini PC does not offer expandable storage beyond the internal 1TB SSD. While 1TB is sufficient for many users, those requiring more space for files and applications may find this a limitation. Consider external storage solutions if additional space is needed, as there is no option for adding internal storage.

External USB Boot Function

Feature Description

Enables booting the mini PC from a USB drive, allowing for easy operating system installation or recovery. This is useful for troubleshooting or trying out different operating systems without modifying the internal storage. Simplifies the process of OS management and experimentation.

About This Product

The ability to boot from an external USB drive allows for easy operating system installation or recovery. This is a convenient feature for troubleshooting and customization, enabling you to install different operating systems or perform system recovery without modifying the internal storage, providing flexibility and control over the system.

Kensington Lock Function

Feature Description

Features a Kensington lock slot for physically securing the mini PC to prevent theft. This provides a basic level of security, especially in public or shared environments. Offers peace of mind against unauthorized removal of the device.

About This Product

The product information does not mention a Kensington lock slot. Without this feature, physically securing the mini PC to prevent theft in public or shared environments is not possible. This may be a concern for users in environments where security is a priority, as there is no built-in mechanism to deter unauthorized removal of the device.

Fanless Cooling Function

Feature Description

Utilizes a fanless design for silent operation, eliminating noise from a cooling fan. This function is beneficial for users who require a quiet working environment, such as in a home office or media center. Creates a more peaceful and distraction-free experience.

About This Product

The mini PC features an advanced copper cooling fan and multiple vents for efficient heat dissipation. While not fanless, the cooling system is designed to keep the PC running smoothly and reliably, even under intense tasks. The fan helps maintain stable performance by preventing overheating, ensuring consistent operation during demanding workloads.

SHOPSTAFF Rating Score

#29

Ranked #29 out of 98 products in Category

4.5

Overall Rating

The KOOSMILE Mini PC offers high performance with its i9 processor and ample RAM. It's suitable for demanding tasks but may face limitations in graphics-intensive applications due to integrated graphics. The smart display is a unique feature. Durability is expected to be good, but long-term reliability is uncertain due to the brand's emerging status.

Processor (CPU) Performance

4.8

Rating Criteria Explanation

The CPU is the brain of the Mini PC. Its performance directly impacts the overall speed and responsiveness of the system. Consider the CPU's core count, clock speed, and architecture. For basic tasks like browsing and document editing, an Intel Celeron or Pentium processor might suffice. However, for more demanding tasks such as video editing, gaming, or running multiple applications simultaneously, an Intel Core i3, i5, i7, or even an AMD Ryzen equivalent is highly recommended. Look for benchmarks and reviews that compare different CPUs' performance in real-world scenarios to gauge their suitability for your intended use. Insufficient CPU performance will lead to slow application loading times, stuttering video playback, and an overall frustrating user experience.

Rating Comments

The Core i9-12900HK offers excellent performance for demanding tasks, including video editing, multitasking, and software development. Its high clock speed and core count ensure smooth and responsive operation, making it suitable for professional workloads.

Memory (RAM) Capacity and Speed

4.7

Rating Criteria Explanation

RAM is crucial for multitasking. More RAM allows you to run more applications concurrently without experiencing slowdowns. 8GB of RAM is generally considered the minimum for a comfortable user experience, especially with modern operating systems. 16GB is preferable for more demanding tasks like video editing, photo manipulation, or running virtual machines. The speed of the RAM, measured in MHz, also matters. Faster RAM can improve performance, especially in CPU-intensive tasks. Check the Mini PC's specifications to see what type of RAM it supports (e.g., DDR4, DDR5) and its maximum supported speed. Insufficient RAM will result in frequent disk swapping, significantly slowing down the system when running multiple applications or working with large files.

Rating Comments

With 32GB of DDR4 RAM, this mini PC provides ample memory for running multiple applications and handling large files. The high memory capacity ensures smooth multitasking and prevents slowdowns, even with memory-intensive tasks.

Storage Type and Capacity

4.8

Rating Criteria Explanation

The type and capacity of storage significantly affect boot times, application loading speeds, and overall system responsiveness. Solid State Drives (SSDs) are significantly faster than traditional Hard Disk Drives (HDDs). An SSD as the primary drive for the operating system and applications is highly recommended. NVMe SSDs offer even faster speeds than SATA SSDs. The storage capacity depends on your needs. 256GB is a good starting point for basic use, but 500GB or 1TB is preferable if you plan to store a lot of files, install many applications, or work with large media files. Consider whether the Mini PC offers the possibility to expand storage later via an additional internal drive or external storage solutions. A slow HDD will bottleneck the entire system, regardless of how powerful the CPU or RAM are. Running out of storage will force you to constantly manage files, impacting productivity.

Rating Comments

The 1TB NVMe SSD offers fast boot times and quick application loading. The large storage capacity provides ample space for storing files, applications, and media, ensuring a responsive and efficient user experience for most users.

Graphics Processing Unit (GPU)

4.3

Rating Criteria Explanation

The GPU handles the processing of visual information. For basic tasks like web browsing and office work, the integrated graphics of the CPU may be sufficient. However, if you plan to play games, edit videos, or use graphically intensive applications, a dedicated GPU is highly recommended. Mini PCs typically come with integrated graphics or low-end dedicated GPUs. If gaming is a priority, research the specific GPU's performance in the games you want to play. A more powerful GPU will allow you to play games at higher resolutions and frame rates. An underpowered GPU will result in low frame rates, stuttering, and a poor gaming experience. Even for non-gaming tasks, a decent GPU can improve performance in video editing and other visually demanding applications.

Rating Comments

The integrated Intel Iris Xe Graphics is suitable for basic graphics tasks and video playback. However, it may struggle with graphically intensive applications and high-end gaming. Users needing dedicated graphics performance should consider other options.

Connectivity and Ports

4.7

Rating Criteria Explanation

Consider the available ports and connectivity options. Ensure the Mini PC has enough USB ports (USB 3.0 or USB 3.2 are preferable for faster data transfer speeds) for your peripherals (keyboard, mouse, external drives, etc.). HDMI and DisplayPort outputs are necessary for connecting to monitors. Check the number of display outputs if you plan to use multiple monitors. Wi-Fi 6 is the latest standard for wireless networking, offering faster speeds and improved reliability compared to older standards like Wi-Fi 5. Bluetooth is useful for connecting wireless peripherals. A Gigabit Ethernet port provides a fast and reliable wired network connection. Insufficient or outdated ports can limit the functionality of the Mini PC and require the use of dongles and adapters.

Rating Comments

Featuring WiFi 6, Bluetooth 5.2, USB 3.0, and Type-C ports, this mini PC offers excellent connectivity options. The inclusion of HDMI and DisplayPort allows for multiple monitor setups, enhancing productivity and multitasking capabilities.

Operating System

4.8

Rating Criteria Explanation

Most Mini PCs come pre-installed with an operating system, typically Windows 11 Home. Consider if the included OS meets your needs. Windows is compatible with a wide range of software and hardware. Some Mini PCs may come with Linux pre-installed, which can be a good option if you prefer open-source software or plan to use the Mini PC as a server. Ensure that the Mini PC has sufficient storage space for the operating system and any additional software you plan to install. If you prefer a different operating system, check if the Mini PC is compatible and if drivers are available. An incompatible or unsupported operating system will render the mini PC unusable.

Rating Comments

The pre-installed Windows 11 Pro offers a user-friendly and familiar experience. It is compatible with a wide range of software and provides a secure and stable platform for various applications, making it suitable for both personal and professional use.

Manufacturer Reliability and Warranty

3.5

Rating Criteria Explanation

The manufacturer's reputation and the warranty offered are crucial indicators of product quality and support. Research the manufacturer's history and customer reviews to gauge their reliability. A reputable manufacturer is more likely to provide a well-built product and responsive customer support. A comprehensive warranty protects you against defects and malfunctions. Check the duration and terms of the warranty before making a purchase. A short warranty or a warranty with limited coverage may indicate a lack of confidence in the product's quality. Choosing a reputable brand with a good warranty provides peace of mind and protects your investment. Unreliable manufacturers may be difficult to contact for support, leaving you stranded if you encounter problems.

Rating Comments

KOOSMILE is an emerging brand, so long-term reliability is uncertain. While the product has positive reviews, the lack of established support and a shorter warranty period may be a concern for some users. Consider this when making a purchase decision.

Cost Performance

4.2

Rating Criteria Explanation

Evaluate the overall value proposition of the Mini PC. Consider the specifications, features, and performance relative to the price. A more expensive Mini PC may offer better performance or more features, but it's important to determine if the extra cost is justified for your specific needs. Compare different models and brands to find the best balance between price and performance. Read reviews from other users and experts to get a better understanding of the product's strengths and weaknesses. A cheap Mini PC may seem appealing initially, but it may lack the performance or features you need, leading to frustration and the need to upgrade sooner than expected. Aim for the best possible performance within your budget.

Rating Comments

Considering its specifications and features, this mini PC offers good value for money. It provides a balance of performance, functionality, and affordability, making it a smart choice for users seeking a powerful and compact computing solution within this price range.

Brand & Manufacturer Details

KOOSMILE

KOOSMILE Mini PC with Core i9-12900HK, 32GB DDR4, 1TB PCIe SSD, DP/HDMI 8K/4K, WiFi 6, BT 5.2 for Office & Business.

Considerations

Avoid installing third-party drivers to prevent compatibility issues
Ensure HDMI device is connected before turning on the computer
Monitor cooling system performance under heavy loads

Recommended For

Professionals needing a compact workstation for office tasks
Users requiring a powerful mini PC for home entertainment
Developers and content creators needing a portable workstation

Not Recommended For

Hardcore gamers requiring a dedicated GPU
Users needing extensive internal storage expansion
Users prioritizing brand reliability and established support

Suitable For

Office productivity and multitasking
Home theater setup for streaming and media playback
Software development and coding

Not Suitable For

High-end gaming
4K video editing
Complex simulations
Large-scale data analysis

Frequently Asked Questions (FAQ)

Q.I'm looking for a compact computer for demanding tasks like video editing and multitasking. Is this mini PC suitable?

A.Yes, according to staff confirmation, this mini PC with its Intel Core i9-12900HK processor, 32GB RAM, and 1TB NVMe SSD, handles demanding tasks like video editing and multitasking with ease. It's described as a powerhouse in a compact form factor.

Q.I'm looking for a compact computer for demanding tasks like video editing and multitasking. Is this mini PC suitable?

Q.I need a computer for my web design company that can handle graphic design, photo editing, and video processing. Will this mini PC work for me?

A.Staff confirmation indicates this mini PC is well-suited for such tasks. One staff member uses it for their web design company and reports it handles everything from basic record-keeping to graphic design and video processing with ease. The 1TB or 2TB hard drive options provide ample storage.

Q.I need a computer for my web design company that can handle graphic design, photo editing, and video processing. Will this mini PC work for me?

Q.I'm concerned about the computer overheating during intensive tasks. Does this mini PC have a good cooling system?

A.Yes, this mini PC features an advanced copper cooling fan and multiple vents for efficient heat dissipation. Staff confirmation notes that the cooling system keeps the PC running smoothly even under intense tasks.

Q.I'm concerned about the computer overheating during intensive tasks. Does this mini PC have a good cooling system?

Q.I want to use multiple monitors with this mini PC. How many monitors does it support?

A.This mini PC supports up to 3 displays simultaneously via HDMI, DisplayPort, and USB-C. This is ideal for multitasking or an extended workspace.

Q.I want to use multiple monitors with this mini PC. How many monitors does it support?

A.This mini PC supports up to 3 displays simultaneously via HDMI, DisplayPort, and USB-C. This is ideal for multitasking or an extended workspace.

Q.Is the RAM upgradable?

A.The product description specifies 2* DDR4 SODIMM, but there is no confirmation from staff regarding the ability to upgrade the RAM.

Q.Is the RAM upgradable?

A.The product description specifies 2* DDR4 SODIMM, but there is no confirmation from staff regarding the ability to upgrade the RAM.

Q.I'm not very tech-savvy. Is this mini PC easy to set up?

A.Yes, staff confirmation indicates that the mini PC is easy to set up, even for those who are not very computer savvy.

Q.I'm not very tech-savvy. Is this mini PC easy to set up?

A.Yes, staff confirmation indicates that the mini PC is easy to set up, even for those who are not very computer savvy.

Q.I saw a staff confirmation mentioning a buzzing sound. Is this a common issue?

A.One staff member mentioned a buzzing sound after having the computer for over a month, but it went away after restarting. It's not clear if this is a common issue, but it's something to be aware of.

Q.I saw a staff confirmation mentioning a buzzing sound. Is this a common issue?

Q.What kind of wireless connectivity does it have?

A.The mini PC has WiFi 6 and Bluetooth 5.2 for faster and more stable wireless connections.

Q.What kind of wireless connectivity does it have?

A.The mini PC has WiFi 6 and Bluetooth 5.2 for faster and more stable wireless connections.

Q.I'm concerned about the storage partitioning issue mentioned in one of the staff confirmation. Is this a widespread problem?

A.One staff confirmation reported an issue with the SSD being mis-partitioned, but it's not clear if this is a widespread problem. It's advisable to check the storage partitioning upon receiving the product. The product overview mentions that if you wish to adjust the hard disk partition structure, the company can provide corresponding guidance.

Q.I'm concerned about the storage partitioning issue mentioned in one of the staff confirmation. Is this a widespread problem?

Q.I need a computer that doesn't take up much space. Is this mini PC really that small?

A.Yes, staff confirmation describes it as compact and notes that it can be mounted behind a monitor or on the wall to save space. One staff member mentions it's about the size of a paperback.

Q.I need a computer that doesn't take up much space. Is this mini PC really that small?

A.Yes, staff confirmation describes it as compact and notes that it can be mounted behind a monitor or on the wall to save space. One staff member mentions it's about the size of a paperback.

SHOPSTAFF Rating Ranking

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Beelink

GTi13 Mini PC

$599(incl. tax)Amazon price as of 2025-10-19

High-performance mini PC with Intel Core i9-13900HK, 32GB DDR5, 1TB SSD, Thunderbolt 4, and PCIe×8 slot.

CPU Model	Core i9-13900HK	RAM Size	32 GB
Storage Type	SSD	Storage Capacity	1 GB
Graphics Card	intel lrisXe Graphics	Wi-Fi Support	802.11ax
Bluetooth Support	5.2	USB Ports	5
HDMI Ports	1	Operating System	Windows 11 Pro

VESA Mount FunctionDual Display Output FunctionExpandable Storage FunctionExternal USB Boot FunctionKensington Lock FunctionFanless Cooling Function

4.8Overall Rating

5.0Processor (CPU) Performance

5.0Memory (RAM) Capacity and Speed

4.9Storage Type and Capacity

4.3Graphics Processing Unit (GPU)

5.0Connectivity and Ports

4.8Operating System

4.6Manufacturer Reliability and Warranty

4.7Cost Performance

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GEEKOM

GT2 Mega

$999(incl. tax)Amazon price as of 2025-10-19

GEEKOM GT2 Mega Ai Mini PC with Intel Core Ultra 9 285H & Arc 140T GPU, 32GB DDR5 2TB SSD, Windows 11 Pro.

CPU Model	Intel Core Ultra 9	RAM Size	32 GB
Storage Type	SSD	Storage Capacity	2000 GB
Graphics Card	Intel ARC Graphics	Wi-Fi Support	WiFi 7
Bluetooth Support	Bluetooth 5.4	USB Ports	2
HDMI Ports	2	Operating System	Windows 11 Pro

VESA Mount FunctionDual Display Output FunctionExpandable Storage FunctionExternal USB Boot FunctionKensington Lock FunctionFanless Cooling Function

4.8Overall Rating

5.0Processor (CPU) Performance

5.0Memory (RAM) Capacity and Speed

5.0Storage Type and Capacity

4.5Graphics Processing Unit (GPU)

5.0Connectivity and Ports

5.0Operating System

4.5Manufacturer Reliability and Warranty

4.0Cost Performance

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View Details Buy on Amazon Report Content Error

GEEKOM

Mini PC AX8 Max

$499(incl. tax)Amazon price as of 2025-10-19

The GEEKOM AX8 Max is a powerful mini PC featuring an AMD Ryzen 7 8745HS, 32GB DDR5 RAM, and 1TB PCIe SSD.

CPU Model	Ryzen 7	RAM Size	32 GB
Storage Type	M.2 2280 PCIe Gen4*4 NVMe SSD	Storage Capacity	1000 GB
Graphics Card	AMD Radeon 780M 12CU 2600 MHz DirectX 12	Wi-Fi Support	2.4 GHz Radio Frequency, 5 GHz Radio Frequency, 5.8 GHz Radio Frequency, 802.11a/b/g/n/ac
Bluetooth Support	5.3	USB Ports	6
HDMI Ports	2	Operating System	Support Linux and Ubuntu, Windows 11 Pro

VESA Mount FunctionDual Display Output FunctionExpandable Storage FunctionExternal USB Boot FunctionKensington Lock FunctionFanless Cooling Function

4.8Overall Rating

4.8Processor (CPU) Performance

5.0Memory (RAM) Capacity and Speed

4.9Storage Type and Capacity

4.3Graphics Processing Unit (GPU)

5.0Connectivity and Ports

4.8Operating System

4.5Manufacturer Reliability and Warranty

4.7Cost Performance

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View Details Buy on Amazon Report Content Error

TOPGRO

T2-Pro Mini Gaming PC

$1,299(incl. tax)Amazon price as of 2025-10-19

TOPGRO T2-Pro Mini Gaming PC with Core i9-13900HK, RTX4060, 32GB RAM, 1TB SSD, WiFi6E, BT5.3, and Win11 Pro.

CPU Model	Intel Core i9-13900HK	RAM Size	32 GB
Storage Type	M.2 PCIE4.0 SSD	Storage Capacity	1000 GB
Graphics Card	NVIDIA GeForce RTX4060	Wi-Fi Support	802.11ax
Bluetooth Support	Bluetooth 5.3	USB Ports	6
HDMI Ports	2	Operating System	Windows 11 Pro

VESA Mount FunctionDual Display Output FunctionExpandable Storage FunctionExternal USB Boot FunctionKensington Lock FunctionFanless Cooling Function

4.7Overall Rating

4.9Processor (CPU) Performance

5.0Memory (RAM) Capacity and Speed

4.8Storage Type and Capacity

4.7Graphics Processing Unit (GPU)

4.9Connectivity and Ports

4.8Operating System

4.0Manufacturer Reliability and Warranty

4.5Cost Performance

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SEI13 Mini PC with Intel Core i9-13900HK

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Beelink

SEI13 Mini PC with Intel Core i9-13900HK

$639(incl. tax)Amazon price as of 2025-10-19

High-performance mini PC with Intel Core i9-13900HK, 32GB RAM, 1TB SSD, and triple 4K display support for diverse uses.

CPU Model	Intel Core i9-13900HK	RAM Size	32 GB
Storage Type	NVMe M.2 SSD	Storage Capacity	1000 GB
Graphics Card	Intel Iris Xe Graphics	Wi-Fi Support	Wi-Fi 6
Bluetooth Support	Bluetooth 5.2	USB Ports	4
HDMI Ports	1	Operating System	W-11 Pro

VESA Mount FunctionDual Display Output FunctionExpandable Storage FunctionExternal USB Boot FunctionKensington Lock FunctionFanless Cooling Function

4.7Overall Rating

5.0Processor (CPU) Performance

5.0Memory (RAM) Capacity and Speed

4.8Storage Type and Capacity

4.3Graphics Processing Unit (GPU)

4.9Connectivity and Ports

4.8Operating System

4.5Manufacturer Reliability and Warranty

4.3Cost Performance

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See more [2025 Edition] 98 Best Mini PCs! Selection Guide and Latest Models Introduction comparisons

KOOSMILE Mini PC Win11 Pro, Mini Computers Core i9-12900HK(KT-M9)

Product Overview

Product Images

Product Specifications

Size & Weight

Features

SHOPSTAFF Rating Score

Brand & Manufacturer Details

Considerations

Recommended For

Not Recommended For

Suitable For

Not Suitable For