What Sycom does

Sycom Co., Ltd. (株式会社サイコム) is a privately held Japanese BTO (Build-to-Order) custom PC manufacturer founded in May 1999 and headquartered in Yashio City, Saitama Prefecture. The company sells exclusively direct-to-consumer via its own Japanese-language website (sycom.co.jp) with an Akihabara satellite office, producing custom-configured desktop PCs across seven product series — Radiant (standard), Hydro (dual water-cooled), G-Master (gaming), Silent Master (low-noise), Lepton (creative workstations), Premium Line, and Aqua-Master (CPU water cooling) — under the "Sycom Craftsmanship" brand identity refreshed in 2021. Revenue is generated almost entirely through one-time hardware sales with unit pricing that ranges from approximately ¥177,120 for entry-level configurations to over ¥1,000,000 for high-end workstations and gaming systems, with no retail, reseller, or marketplace channels.

The company's core technology differentiator is its proprietary Dual Water Cooling System (デュアル水冷®), which independently water-cools both the CPU and GPU in a single chassis, complemented by the Hydro LC Graphics® line of custom water-cooled NVIDIA GeForce RTX cards and the Silent Master Graphics® ultra-quiet air-cooled GPU solution. Each PC is hand-assembled by a single technician under a cell manufacturing method, and Sycom holds key partner certifications including Intel Partner Builder, AMD Partner Program ELITE, and active NVIDIA bundle-campaign participation, alongside membership in the Japan GPU Computing Partnership (G-DEP). The most recently disclosed revenue was ¥4.68 billion (prior fiscal period), and the company is led by Representative Director and CEO Takashi Kono (河野孝史), who founded the business in 1999.

Sycom primarily serves Japanese gamers, with secondary segments in creative professionals (video editing, 3DCG, CAD, AI training) and enterprise/research customers requiring workstations. Customer support is delivered via phone, inquiry forms, and a dedicated corporate (法人) inquiry channel. In 2026 the company has expanded beyond pure hardware into adjacent activities — establishing an in-house eSports team (@Sycom, March 2026), a B.LEAGUE basketball sponsorship (Koshigaya Alphers, March 2026), an AI Creative Director hire and integrated content/education/PC business (April 2026), and the Lepton Hydro Extreme WSTRX50A flagship dual water-cooled Threadripper + RTX 5090 workstation (April 2026) — while maintaining a publicly stated philosophy of craftsmanship over volume growth.

Name

Sycom

Legal name

株式会社サイカム (Sycom Co., Ltd.)

Website

https://sycom.co.jp

Company type

Private

Founded year

1999

Operating status

Operating

Short description

Sycom is a privately held Japanese BTO custom PC manufacturer selling direct-to-consumer via sycom.co.jp, offering seven product series spanning gaming, silent, workstation, and dual water-cooled configurations for individual enthusiasts, creative professionals, and corporate buyers in Japan.

Ownership category

akta.pro rank

Product category

Custom Desktop Computers (BTO)

NAICS

Computer and Peripheral Equipment Manufacturing (3341), Computer Terminal and Other Computer Peripheral Equipment Manufacturing (334118)

SIC

Electronic Components, Nec (3679), Computer Peripheral Equipment, Nec (3577)

akta.pro primary industry

PC Cases, Chassis & Case Accessories (HDACAGAG)

akta.pro secondary industry

Thermal Management Components (Heat sinks, TIMs, fans/blowers, thermal pads) (IMAGAJAL)

Keywords

• Custom BTO PCs
• Gaming desktop computers
• Workstation computers
• Water-cooled PCs
• Silent personal computers

Headquarters

HQ city

Saitama

HQ country

Japan

HQ region

Asia

Offices3 records

Markets served

GTM type

B2C

Offering type

Hardware or Manufacturing

Cost components

Supply Chain, Personnel, Operations, Marketing or Sales, Technology or R&D, Infrastructure

Revenue model

1. BTO Custom PC Sales: Sycom generates revenue primarily through selling custom-configured BTO (Build to Order) desktop PCs across multiple product lines (G-Master for gaming, Silent-Master for silent PCs, Lepton for creative workstations, Radiant for standard, Aqua-Master for water cooling, Premium Line for premium segment). Customers select components and pay a one-time price for the configured system.

Pricing tiers

Go-to-market motion1 record

Distribution channels1 record

Marketing channels7 records

Core offering

Sycom is a Japanese BTO (Build-to-Order) PC manufacturer that designs, assembles, and sells custom-configured desktop computers exclusively through its own Japanese-language website. The company offers seven product lines spanning gaming PCs, silent/noise-reduced PCs, creative workstations, and standard consumer desktops, with proprietary cooling technologies including dual water cooling (CPU and GPU independently water-cooled) and Silent Master Graphics ultra-quiet air-cooled GPUs. Components are sourced from Intel, AMD, NVIDIA, and Noctua, and each system is hand-assembled end-to-end by a single technician under a cell manufacturing method.

Product overview

Sycom is a Japanese BTO (Build-to-Order) PC manufacturer offering seven distinct product series: Radiant (standard PCs), Hydro (dual water cooling PCs with independent CPU+GPU liquid cooling), G-Master (gaming PCs including Velox entry, Spear mid-range, and Hydro extreme models), Silent Master (low-noise PCs), Lepton (creative workstations for video editing and 3D workflows), Premium Line (premium PCs with extended warranty and complimentary overhaul), and Aqua-Master (CPU water cooling PCs). The company differentiates through proprietary technologies including Dual Water Cooling System (independently cooling both CPU and GPU), Hydro LC Graphics (custom water-cooled NVIDIA GPUs), and Silent Master Graphics (custom quiet air-cooled GPUs). Products span gaming, creative/video production, professional workstations, and silent computing across AMD and Intel CPU platforms with NVIDIA and AMD graphics options.

Differentiator

Problem solved

Functional benefit

Brands

• Radiant: Standard PC lineup - mainstream BTO computers
• Hydro
• G-Master
• Silent Master
• Lepton
• Premium Line
• Aqua-Master
• Hydro LC Graphics
• Silent Master Graphics

Products and services

• G-Master Velox III Entry-level gaming PC with simple customization and quality parts, available in AMD Ryzen 9000 series and Intel Core Ultra processor editions for entry-level to mid-range gamers.
• G-Master Spear X870A Mid-tower gaming PC with AMD Ryzen 9000 series (Zen5 architecture) offering high performance and expandability for demanding gamers.
• G-Master Hydro X870A Dual water cooling gaming PC with AMD Ryzen 9000 series and Sycom's proprietary Hydro LC Graphics water-cooled RTX5070Ti/RTX5080 GPU for balanced cooling performance and quiet operation.
• G-Master Hydro Extreme X870A Flagship dual water cooling gaming PC with AMD Ryzen 9000 series, 360mm radiator for maximum CPU cooling, and Hydro LC Graphics RTX5090 water-cooled GPU.
• G-Master Spear BF360 Limited Edition Limited edition high-end gaming PC combining Noctua NH-D15 G2 air cooler with Hydro LC Graphics RTX5090 water-cooled GPU and AMD Ryzen 9000 series processor.
• Silent-Master NEO B850A Silent PC featuring Noctua air cooler for balanced airflow and quiet operation. AMD Ryzen 9000 series in ATX mid-tower form factor.
• Silent Master Noctua Edition Special edition silent PC with all-Noctua cooling (CPU cooler, case fans, GPU fan) for maximum quietness, available with Intel Core Ultra or AMD Ryzen processor options.
• Lepton Motion Pro II B860i Creative PC for video editing with Intel Core Ultra processor, refreshed with new case design. Compact, stylish, high-spec for professional content creators.
• Lepton Motion Pro II B850A Creative PC for video editing with AMD Ryzen 9000 series processor, refreshed with new case design for video production, CG, and color grading workflows.
• Lepton WS4100TRX50A Ultra-high-end workstation with AMD Ryzen Threadripper 7970X (32 cores), new case design with superior airflow for professional workloads.
• Lepton Hydro Extreme WSTRX50A Top-tier dual water cooling workstation combining AMD Ryzen Threadripper with GeForce RTX5090 for ultimate performance in professional creative and computational workloads.
• Lepton WS3600X870-A Mid-tower workstation with AMD Ryzen 9000 series, NVIDIA RTX professional graphics, and water cooling suitable for 3DCG, CAD, and video editing applications.
• Premium Line X870FD-A Premium PC with Fractal Design North case, 2-year standard warranty, complimentary overhaul service, and hand-assembled craftsmanship using AMD Ryzen 9000 series.
• Radiant GZ3600Z890 Standard mid-tower PC with Intel Core Ultra processor in ATX form factor with wide BTO customization options for general consumers.
• Radiant GZ3600X870A Standard mid-tower PC with AMD Ryzen 9000 series (Zen5 architecture) and wide BTO customization options for general consumers.
• Radiant SDM3300B760i Compact desktop PC with Intel 14th generation Core processor in small form factor with high expandability.
• Radiant SPX3300B860i Ultra-compact high-performance small form factor PC with Intel Core Ultra processor featuring integrated graphics.
• Aqua-Master X870A Water cooling PC with Corsair/ASETEK water cooling unit and Fractal Design Define R5 case providing CPU-only liquid cooling for enhanced thermal performance.

Quantifiable outcome

• Dual water cooling achieves ~7% higher GPU clock speed (2,820MHz vs 2,620MHz reference) at 14°C lower temperature (64.9°C vs 78.8°C) in gaming load tests
• +3 more outcomes

Named customers1 record

Segments3 records

Ideal customer profiles2 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

AI capability3 records

Feature4 records

Partnerships

Six partnerships are on record, tiered minor and core.

• 越谷アルファーズ (Koshigaya Alphers)minorGTM or Marketing Partner · 18 March 2026Sycom entered a new partnership agreement with B.LEAGUE professional basketball team 'Koshigaya Alphers' in March 2026. The partnership supports sports team sponsorship as a marketing initiative.
• @Sycom eSports TeamminorGTM or Marketing Partner · 2 March 2026Sycom launched its own eSports team 'Sycom' in March 2026, comprising 4 members focused on Street Fighter 6. The team aims to compete in domestic and international major tournaments, representing a shift from '支援' (support) to '共創' (co-creation) in brand strategy.
• Intel CorporationcoreTechnology or IntegrationSycom is an Intel Partner Builder certified company, authorized to manufacture and sell PCs with the latest Intel CPUs including Intel Core Ultra processors and Intel Core Ultra 200S Plus series.
• Advanced Micro Devices (AMD)coreTechnology or IntegrationSycom is an AMD Partner Program ELITE certified system builder, authorized to build PCs with AMD Ryzen 9000 series, Ryzen Threadripper, and other AMD processors.
• NVIDIA CorporationcoreTechnology or IntegrationSycom integrates NVIDIA GeForce RTX 50 series (including RTX 5090, 5080, 5070 Ti), professional Quadro/RTX PRO GPUs, and participates in NVIDIA bundle campaigns for games like PRAGMATA, 007 First Light, and Biohazard Requiem.
• 日本GPUコンピューティングパートナーシップ (G-DEP)minorStrategic or Co-development PartnerSycom is a partner member of the Japan GPU Computing Partnership (G-DEP), engaging in the GPU computing ecosystem and related technology partnerships.

Scale indicators3 records

Recent moves2 records

Expansion highlights6 records

Broad incumbents

• Dell Technologies: Global PC OEM with Alienware (gaming) and Precision (workstation) lines plus Configurator customization. Overlaps with Sycom in gaming/workstation PC manufacturing but operates at vastly larger scale and with broader product portfolio.
• Lenovo: Global PC leader with Legion (gaming) and ThinkStation (workstation) lines and partial customization configurators. Broad incumbent overlapping with Sycom's gaming/workstation customer base but operating at enterprise scale.

Direct peers

• Puget Systems: US-based custom workstation builder known for craftsmanship, compatibility engineering, and high-end creator/CAD configurations. Comparable craftsmanship-first philosophy, component curation, and workstation/GPU specialization to Sycom's Lepton series.
• Origin PC: US custom gaming and workstation builder offering liquid-cooled PCs and content-creation workstations via D2C. Comparable water-cooled GPU expertise, premium pricing, and customization model to Sycom's Hydro LC Graphics and Lepton series.
• Dospara (サードウェーブ): One of Japan's largest BTO PC manufacturers, offering GamerPC, Galleria (gaming), and Mainichi (standard) lines via D2C e-commerce. Closely comparable to Sycom in custom-build model, online configurator, and nationwide shipping.
• Mouse Computer (マウスコンピューター): Publicly listed Japanese PC OEM (TSE: 6652) selling G-Tune gaming, DAIV creator, and mouse standard lines via D2C e-commerce. Comparable custom-configurator model and Japanese market focus, though with materially larger scale.
• Tsukumo (ツクモ): Long-established Japanese BTO PC builder with eX.computer gaming/workstation lines sold through D2C and retail storefronts. Similar in component breadth and customization depth to Sycom, with comparable Intel/AMD/NVIDIA lineup.
• Storm (ストーム): Niche Japanese BTO builder specializing in gaming and water-cooled PCs (Storm X, Storm PG series). Comparable expertise in custom liquid cooling and premium gaming configurations, and competes with Sycom's Hydro series.
• Frontier (フロンティア): Japanese BTO manufacturer owned by Innocence, offering GGE (gaming), XR (creator), and standard configurations via D2C. Comparable custom-build depth and Japan-domestic fulfillment approach to Sycom.
• PC Koubou (パソコン工房): Japanese BTO PC brand operated by Unitcom, selling SENSE (gaming), PRO (workstation), and standard lines through D2C and physical stores. Direct competitor with overlapping product taxonomy and customer segments to Sycom.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks6 records

Key highlights7 records

Customer concentration

• Xx.com/sycom_jp
• YouTubeyoutube.com/channel/UC... (YouTube channel exists)
• Facebookfacebook.com/sycom.co.jp

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 record

Subsidiaries1 record

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments1 record

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Sycom