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All-in-One Computers

white hp all in one computer set

Mini Computers

two mini computers

Tower Computers

tower computer full set

Computer Accessories

computer accessories

Shop Best Computers online at Ubuy Japan

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KAMRUI AK1PLUS Mini PC Computer, Intel N5030 Up to 3.1GHz, 12GB RAM 256GB SSD, Dual 4K Mini Desktop Computer, Support 2.5 SSD Expansion, WiFi, Bluetooth, Ethernet, Business Home Office PC
US Store
KAMRUI

KAMRUI AK1PLUS Mini PC Computer, Intel N5030 Up to 3.1GHz, 12GB RAM 256GB SSD, Dual ...
4.4

500+ bought

JPY 70415

7% OFF
Microsoft Windows 11 USB
US Store
Microsoft

Microsoft Windows 11 USB
4.3

500+ bought

JPY 26466 28457

5% OFF
KAMRUI Pinova P2 Mini PC,AMD Ryzen R2544 16GB DDR4 256GB SSD Mini Computers
US Store
KAMRUI

KAMRUI Pinova P2 Mini PC,AMD Ryzen R2544 16GB DDR4 256GB SSD Mini Computers
4.5

500+ bought

JPY 65045 68426

NVIDIA DGX SparkTM - Personal AI Desktop Supercomputer Desktop GB10 Grace Blackwell Chip
US Store
NVIDIA

NVIDIA DGX SparkTM - Personal AI Desktop Supercomputer Desktop GB10 Grace Blackwell ...
4.4

500+ bought

JPY 955342

ASUS Ascent GX10 AI Supercomputer, DGX Spark, NVIDIA GB10 Superchip, 128GB LPDDR5x, 2TB PCIe Gen4 NVMe SSD, Wi-Fi 7 & BT5.4, Agentic AI Ready, Supports OpenClaw, NemoClaw, Stackable Chassis
US Store
ASUS

ASUS Ascent GX10 AI Supercomputer, DGX Spark, NVIDIA GB10 Superchip, 128GB LPDDR5x, ...
4

500+ bought

JPY 1273518

Dell Slim Desktop, Intel Core Ultra 5-225, 512GB SSD, Windows 11 Home
US Store
Dell

Dell Slim Desktop, Intel Core Ultra 5-225, 512GB SSD, Windows 11 Home
4.6

500+ bought

JPY 167659

Dell Tower PC Desktop Computers for Home & Business Productivity, Copilot AI, 14th Gen i3-14100, 16GB DDR5, 512GB PCIe SSD, WiFi 6, Bluetooth, DisplayPort, HDMI, Type-C, Windows 11 Pro, Black
US Store
Dell

Dell Tower PC Desktop Computers for Home & Business Productivity, Copilot AI, 14th ...
4.1

400+ bought

JPY 179591

5% OFF
CyberPowerPC Gamer Master Gaming PC, AMD Ryzen 7 8700F 4.1GHz, GeForce RTX 5060 Ti 8GB, 16GB DDR5, 1TB PCIe 4.0 SSD, WiFi Ready & Windows 11 Home GMA2900A2
US Store
CyberpowerPC

CyberPowerPC Gamer Master Gaming PC, AMD Ryzen 7 8700F 4.1GHz, GeForce RTX 5060 Ti ...
4.3

400+ bought

JPY 358563 375667

16% OFF
GMKtec G3S Mini PC Intel N95 Processor Up to 3.4GHz 8GB RAM 256GB M.2 SSD
US Store
GMKtec

GMKtec G3S Mini PC Intel N95 Processor Up to 3.4GHz 8GB RAM 256GB M.2 SSD
4.4

400+ bought

JPY 50529 60472

HP 24 OmniStudio All-in-One Desktop Computer, 8GB DDR5 RAM, 128GB UFS
US Store
HP

HP 24 OmniStudio All-in-One Desktop Computer, 8GB DDR5 RAM, 128GB UFS
4.4

400+ bought

JPY 110181

5% OFF
KAMRUI Pinova P1 Mini PC, Ryzen 4300U, 16GB DDR4 RAM, 256GB SSD
US Store
KAMRUI

KAMRUI Pinova P1 Mini PC, Ryzen 4300U, 16GB DDR4 RAM, 256GB SSD
4.5

400+ bought

JPY 67217 70713

24% OFF
ACEMAGIC K1 Mini PC Windows 11 Pro AMD Ryzen 7330U 16GB RAM 256 SSD 28W
US Store
ACEMAGIC

ACEMAGIC K1 Mini PC Windows 11 Pro AMD Ryzen 7330U 16GB RAM 256 SSD 28W
4.4

400+ bought

JPY 70413 92289

8% OFF
BOSGAME E3 Neo Mini PC N95, Intel 12th Mini Computers| 16GB DDR4 RAM| 512GB M.2 2280 SSD| 4K 60HZ Triple Displays by Dual HDMI+Type-C, 6W TDP Quiet Mini PC, WIFI5, BT 5.0 Office
US Store
BOSGAME

BOSGAME E3 Neo Mini PC N95, Intel 12th Mini Computers| 16GB DDR4 RAM| 512GB M.2 ...
4.3

300+ bought

JPY 66437 72005

GMKtec AI Mini PC Ryzen Al Max+ 395 up to 5.1GHz
US Store
GMKtec

GMKtec AI Mini PC Ryzen Al Max+ 395 up to 5.1GHz
4.2

300+ bought

JPY 478078

GMKtec M6 Ultra Gaming Mini PC Ryzen 7640HS 32GB RAM DDR5 1TB SSD
US Store
GMKtec

GMKtec M6 Ultra Gaming Mini PC Ryzen 7640HS 32GB RAM DDR5 1TB SSD
4.2

300+ bought

JPY 126095

Dell 2026 Edition Tower Desktop Computers, 8GB DDR5 RAM, 512GB PCIe SSD
US Store
Dell

Dell 2026 Edition Tower Desktop Computers, 8GB DDR5 RAM, 512GB PCIe SSD
4.4

300+ bought

JPY 130071

ACEMAGICIAN K1 Mini PC Windows 11 Pro AMD Ryzen 7 7730U, 16GB RAM 512GB SSD
US Store
ACEMAGICIAN

ACEMAGICIAN K1 Mini PC Windows 11 Pro AMD Ryzen 7 7730U, 16GB RAM 512GB SSD
4.3

300+ bought

JPY 88111

38% OFF
HP OmniStudio 24" Full HD All-in-OneDesktop Computer, 16GB DDR5 RAM, Intel Quad-Cores, 128GB SSD, WiFi6, Keyboard & Mouse, Windows 11
US Store
HP

HP OmniStudio 24" Full HD All-in-OneDesktop Computer, 16GB DDR5 RAM, Intel ...
4

300+ bought

JPY 123488 199674

BOSGAME E5 11 Pro Mini PC, AMD Ryzen 5300U 4C/ 8T, Business Home Office PC
US Store
BOSGAME

BOSGAME E5 11 Pro Mini PC, AMD Ryzen 5300U 4C/ 8T, Business Home Office PC
4.3

300+ bought

JPY 54506

Lenovo IdeaCentre All-in-One Desktop Computer, 8GB RAM 512GB SSD
US Store
Lenovo

Lenovo IdeaCentre All-in-One Desktop Computer, 8GB RAM 512GB SSD
4.3

300+ bought

JPY 149959

Dell OptiPlex 7020 MFF i5-14500T 16GB DDR5 512GB SSD Micro Business Mini PC
US Store
Dell

Dell OptiPlex 7020 MFF i5-14500T 16GB DDR5 512GB SSD Micro Business Mini PC
4.1

200+ bought

JPY 183168

GMKtec Mini PC, G3 PRO Intel Core i3-10110U Beats 4300U/N150, 16GB DDR4 RAM Dual Channel 512GB Storage Drive, Desktop Computer 4K Dual HDMI/USB3.2/WiFi 6/BT5.2/2.5GbE for Office, Business
US Store
GMKtec

GMKtec Mini PC, G3 PRO Intel Core i3-10110U Beats 4300U/N150, 16GB DDR4 RAM Dual ...
4.4

200+ bought

JPY 66437

CyberPowerPC Gaming PC, Intel Core i5-14400F, GeForce RTX 5060 8GB
US Store
CyberpowerPC

CyberPowerPC Gaming PC, Intel Core i5-14400F, GeForce RTX 5060 8GB
4.5

200+ bought

JPY 257416

7% OFF
KOTIN Gaming PC Desktop, Ryzen 7 8700F, RTX 5060 Ti 8GB, 16GB DDR5, 1TB SSD
US Store
KOTIN

KOTIN Gaming PC Desktop, Ryzen 7 8700F, RTX 5060 Ti 8GB, 16GB DDR5, 1TB SSD
4.4

200+ bought

JPY 259332 279218

10% OFF
Prebuilt Gaming Desktop PC, AMD Ryzen 5 5500, GeForce RTX 3050 6GB,16GB DDR4 3200MHz RAM, 1TB NVMe SSD, ARGB Air Cooling, Wi-Fi,Tower Computer for Gaming, Streaming, Editing
US Store
ZYNEEX

Prebuilt Gaming Desktop PC, AMD Ryzen 5 5500, GeForce RTX 3050 6GB,16GB DDR4 ...
4.6

200+ bought

JPY 161888 179786

GMKtec G10 Mini PC Computer, Ryzen 5 3500U Beats 4300U/N150/3300U, 16GB RAM 512GB SSD 2.5GbE NIC LAN Desktop Office Home Business HTPC, Triple 4K Display, WiFi, BT, USB-C, DP, Type-C PD, HDMI 2.1
US Store
GMKtec

GMKtec G10 Mini PC Computer, Ryzen 5 3500U Beats 4300U/N150/3300U, 16GB RAM 512GB ...
4.1

200+ bought

JPY 64449

GEEKOM A6 Mini PC, Ryzen 7 6800H, 16GB DDR5 Upgradable RAM 1TB PCIe 4.0 SSD
US Store
GEEKOM

GEEKOM A6 Mini PC, Ryzen 7 6800H, 16GB DDR5 Upgradable RAM 1TB PCIe 4.0 SSD
4.4

200+ bought

JPY 119933

Dell OptiPlex 7020 MFF 7000 Mini Business Desktop, 16GB DDR5 RAM, 512GB PCIe SSD, 14th Gen Intel Core i3-14100T, WiFi 6E, Windows 11 Pro
US Store
Dell

Dell OptiPlex 7020 MFF 7000 Mini Business Desktop, 16GB DDR5 RAM, 512GB PCIe SSD, ...
4.4

200+ bought

JPY 199477

NVIDIA DGX SparkTM 2 Pack with Cable Bundle - Personal AI Desktop Supercomputer Desktop GB10 Grace Blackwell Chip
US Store
NVIDIA

NVIDIA DGX SparkTM 2 Pack with Cable Bundle - Personal AI Desktop Supercomputer ...
5

200+ bought

JPY 2023220

Bmax Mini PC B1 Plus, Intel Celeron J3355 Up to 2.5GHz, 6GB RAM 128GB eMMC Support M.2 SSD Expansion 512GB/2TB, 4K Dual Display 2.4G/5G WiFi & BT5.0 Mini Desktop Computer for Home/Office
US Store
Bmax

Bmax Mini PC B1 Plus, Intel Celeron J3355 Up to 2.5GHz, 6GB RAM 128GB eMMC Support ...
4.1

200+ bought

JPY 34620

BOSGAME P6 Neo Mini Gaming PC, Desktop Computers Ryzen 7 6800H, Radeon 680M Graphics, 24GB DDR5 RAM, 1TB PCIe 4.0x4 SSD, Triple Display HDMI/DP/USB4, USB4 8K 60Hz, WiFi 6E, BT5.2, Dual 2.5GbE LAN
US Store
BOSGAME

BOSGAME P6 Neo Mini Gaming PC, Desktop Computers Ryzen 7 6800H, Radeon 680M ...
4.5

200+ bought

JPY 104219

11% OFF
Dell 27" All-in-One Desktop, FHD, Intel Core 5 120U, Windows 11 Home
US Store
Dell

Dell 27" All-in-One Desktop, FHD, Intel Core 5 120U, Windows 11 Home
4.5

200+ bought

JPY 203653 229503

Lenovo 24" FHD All-in-One Desktop Computer for Home & Office, Intel Processor, 16GB RAM, 256GB PCIe SSD, HDMI, WiFi 6, Business AIO, Bluetooth 5.2, Vent-Hear, Wireless KB & Mouse, Windows 11 Pro
US Store
Lenovo

Lenovo 24" FHD All-in-One Desktop Computer for Home & Office, Intel Processor, 16GB ...
4.2

200+ bought

JPY 116152

KAMRUI Hyper H1 Mini Gaming PC, AMD Ryzen 7 7735HSBeats 7640HS/6800H, 24GB LPDDR5 1TB M.2 NVMe SSD Mini PC8C/16T,up to 4.75GHz, 16MB L3 Smart Cache, Triple 4K Display/WiFi6/BT5.2/Mini Desktop PC
US Store
KAMRUI

KAMRUI Hyper H1 Mini Gaming PC, AMD Ryzen 7 7735HSBeats 7640HS/6800H, 24GB LPDDR5 ...
4.2

200+ bought

JPY 108198

5% OFF
Beelink SER5 Mini PC,AMD Ryzen 5 5500U6C/12T,up to 4.0 GHz,Mini Computer 16GB DDR4 RAM 480GB M.2 2280 SSD Graphics 7core 1800MHz,Support 4K Triple Display/HDMI+DP+Type-C/Wifi6/BT5.4
US Store
Beelink

Beelink SER5 Mini PC,AMD Ryzen 5 5500U6C/12T,up to 4.0 GHz,Mini Computer 16GB DDR4 ...
4.2

100+ bought

JPY 78172 82149

Bmax Mini PC Mini Desktop Computer Intel Celeron J3355 Up to 2.5GHz Win 11, 6GB RAM 128GB eMMC Support M.2 SSD Expansion 512GB/2TB, 4K Dual Display WiFi5& BT5.0 for Home/Office,Daily Use,B1 Plus
US Store
Bmax

Bmax Mini PC Mini Desktop Computer Intel Celeron J3355 Up to 2.5GHz Win 11, 6GB RAM ...
4

100+ bought

JPY 34023

Dell Tower Plus EBT2250 Desktop - Intel Core Ultra 7 265, 1TB SSD, 32GB DDR5 RAM, Intel UHD, 1 Year Onsite Service & 6 Month Dell Migrate, Windows 11 Home, 1-Year McAfee+Premium Protection - Black
US Store
Dell

Dell Tower Plus EBT2250 Desktop - Intel Core Ultra 7 265, 1TB SSD, 32GB DDR5 RAM, ...
4.2

100+ bought

JPY 338876

C4 SE Mini PC, Ryzen 5 3500U, 8GB DDR4 RAM 256GB SSD, Triple Display Mini Desktop Computer, Dual Gigabit Ethernet, WiFi 5, Bluetooth 5.0, Upgradeable Small Computer for Work, Study & Home Office
US Store
origimagic

C4 SE Mini PC, Ryzen 5 3500U, 8GB DDR4 RAM 256GB SSD, Triple Display Mini Desktop ...
4.5

100+ bought

JPY 42574

KAMRUI Hyper H1 AMD Ryzen 7 6800H Mini Gaming PC, 32GB RAM 1TB SSD Mini PC
US Store
KAMRUI

KAMRUI Hyper H1 AMD Ryzen 7 6800H Mini Gaming PC, 32GB RAM 1TB SSD Mini PC
4.1

100+ bought

JPY 108198

CanaKit Raspberry Pi 5 Desktop PC with SSD Fully Assembled 256 GB SSD
US Store
CanaKit

CanaKit Raspberry Pi 5 Desktop PC with SSD Fully Assembled 256 GB SSD
4.5

100+ bought

JPY 68422

19% OFF
KAMRUI Pinova P1 PC, Ryzen R2544, 16GB DDR4 512GB SSD
US Store
KAMRUI

KAMRUI Pinova P1 PC, Ryzen R2544, 16GB DDR4 512GB SSD
4.3

100+ bought

JPY 74392 92289

Shop the Best Computers for Reliable Performances Online at Ubuy Japan

A computer is an electronic device designed for storage, computation, input, output, and networking. With the advancements in AI, it can now learn from the data provided to it, making it even more capable. Whether handling text, images, audio, or video, computers process input based on a set of instructions, delivering the desired output. Computers are essential for a wide range of tasks, with their ability to instantly store and retrieve large amounts of data, from personal use to complex professional applications.

At Ubuy Japan, we offer a variety of computers that cater to different needs, from powerful portable laptops to all-in-one computers, each designed to improve your productivity, entertainment, or specialised work. Browse our collection and have your perfect computer delivered to your doorstep in just a few clicks.

Discover Different Types of Latest Computer Models

Today, computers have evolved far beyond their original role as tools for researchers. Once considered a luxury in living rooms, they are now essential devices found in most people’s pockets. From computers & tablets to smartphones, technology is deeply integrated into our daily lives. Some rely on them for work and communication, while others utilise them for creativity, entertainment, or educational purposes. That is why it is essential to comprehend how emerging technologies, such as artificial intelligence, continue to transform the role of computers in our world. Let us explore why that matters.

Personal Computers/ Microcomputers(PCs)

Personal computers or PCs are general-purpose microcomputers designed for individual use. These setups typically feature one central processing unit (CPU), storage, computer memory card accessories, and other peripheral devices, such as a keyboard, mouse, and monitor. They are also considered gaming desktops. They are capable of running a wide range of software applications, from word processing and internet browsing to gaming and multimedia playback. They are available in various forms, such as desktops, laptops, and tablets, each offering a unique balance of portability, performance, and features.

A desktop computer is a personal computer made for regular use in a single location, typically a desk. It features a monitor, keyboard, mouse, speakers, and often a printer, all of which are connected to a computer tower that houses the power supply, motherboard, and processor. These are used for day-to-day tasks such as web browsing, word processing, email, gaming, streaming and offer powerful performance within an affordable system.

Tower computers are designed with components like the power supply, motherboard, and mass storage devices stacked vertically inside a cabinet. The main advantage of tower models is that they have fewer space constraints, which makes the installation of additional storage devices easier.

Tablets and smartphones are also known as portable computers. These pocket-sized computers offer immediate connectivity and versatility, featuring high-resolution screens, internet access, and powerful hardware. They are mainly created for multimedia streaming, web browsing, and messaging. They come equipped with built-in GPS, cameras, microphones, and connectivity ports to meet navigational, personal, and productivity needs.

A laptop is a portable personal computer. Its foldable, clamshell build includes a screen, keyboard, touchpad and internal hardware enclosed in a single unit. It typically features rechargeable batteries, is lightweight, and offers various connectivity options, including Wi-Fi, Bluetooth, and USB ports, which allow users to perform computing tasks on the go. Laptops typically run on desktop operating systems and often come equipped with built-in webcams, microphones, and even touchscreens. Here, we also offer computer security cables designed to help secure laptops and prevent theft.

Mini Computers

These are mid-sized, multiprocessing computers that offer more power than microcomputers but less than mainframes. Mini computers support hundreds of users simultaneously, designed to handle multiple tasks at once. They are often used for specific applications, like industrial control systems, scientific research, business transactions, file handling, and database management.

Mainframe Computers

Computers utilised by large organisations to handle vast amounts of data are known as mainframe computers. These systems are high-performance, multi-user, and multiprogramming machines capable of supporting over 100 users at once. They are ideal for managing tasks like census records, payroll, ticket bookings, tax details, and customer information. 

Mainframes are commonly used in banks, research centres, and government departments to centralise and streamline data operations efficiently. To support their large-scale data needs, they often require specialised computer hard drive accessories that maintain storage management, ensure data backup, and optimise system performance.

Super Computers

Supercomputers are the biggest, fastest, most powerful, and most expensive type of computer, built to process immense amounts of data at incredible speeds. They are capable of handling trillions of instructions per second through thousands of interconnected processors and are designed for tasks that demand extreme computational power. These are primarily used in scientific and engineering fields like weather forecasting, quantum mechanics, climate modelling, scientific simulations, and nuclear research.

Get the Best Deals on Computers from Top Brands

Ubuy Japan offers a wide selection of desktop computers, laptops, computer cable adapters, and other essentials from top-tier brands for both home and professional use. Here's a quick look at trusted brands and the standout features they bring to the table:

Product Type

Product Name

Best For

Brand

Laptops, Desktops

MacBook Pro, iMac

Premium Performance & Design

Apple

Laptops

HP Spectre x360, HP Envy

Everyday Use & Office Work

HP

Laptops, Desktops

Dell XPS, Dell Inspiron

Business & Professional Use

Dell

Laptops

Lenovo ThinkPad, Lenovo IdeaPad

Productivity & Portability

Lenovo

Gaming Laptops, Ultrabooks

ASUS ROG, ASUS ZenBook

Gaming & High-Performance

ASUS

Gaming Laptops, Everyday Laptops

Acer Predator, Acer Aspire

Budget-Friendly Options

Acer

2-in-1 Tablets, Laptops

Surface Pro, Surface Laptop

Creative & Professional Use

Microsoft Surface

Gaming Laptops

MSI GE Series, MSI Stealth

Gaming & High-Performance

MSI
 

Whether you're searching for the best laptop for work or powerful work-from-home computers for everyday use, we offer a complete range of computer accessories to suit your every purpose.

Frequently Asked Questions About Computers

  • What Is The Best Computer Brand for Gaming?

    For dedicated gaming, ASUS and MSI are generally considered top-tier brands. Both offer high-performance hardware, advanced cooling systems, and premium designs specifically designed for gamers.

  • How Do I Choose A Computer for Work-From-Home or Office Use?

    When choosing a computer for work-from-home or office use, consider your budget, task requirements, and whether you prefer a laptop or desktop. Laptops offer portability, longer battery life, and smaller screen sizes, while desktops provide more power and offer more upgrade options. Make sure the system has sufficient RAM, storage, and a capable processor to handle your workload efficiently.

  • What Is The Best Operating System for A Computer?

    The best operating system depends on personal needs. Windows 11 is ideal for most users, thanks to its wide compatibility and ease of use. macOS works well for creative professionals using Apple devices. Linux, like Ubuntu, is free and customisable, great for developers or advanced users.

  • Are Touchscreen Computers A Good Option?

    Touchscreen computers are a great option for tasks such as drawing, note-taking, and casual browsing. They’re convenient and easy to use, especially on 2-in-1 devices. However, they are more expensive and may not be necessary for regular office work.