Concurrent Systems
Concurrent Systems is a Japanese HPC hardware manufacturer in Osaka designing custom-chassis multi-socket Intel Xeon and AMD EPYC workstations, GPU servers, InfiniBand networking, and integrated cluster systems for Japanese universities, research institutes, and industrial scientific computing labs.
- Company typePrivate
- Founded1987
- HeadquartersOsaka-shi, Japan
- Headcount1–10
- GTM typeB2B
- OfferingHardware or Manufacturing
What Concurrent Systems does
Concurrent Systems (株式会社コンカレントシステムズ) is a Japanese high-performance computing (HPC) hardware manufacturer founded in 1987 and headquartered in Osaka,Sankyo Higobashi Building, Edobori, Nishi-ku. The company designs and sells multi-socket workstations and servers (1-way through 4-way configurations) built on Intel Xeon (CascadeLake through Xeon6 6900P) and AMD EPYC (9004/9005 series) processors, complemented by GPU computing servers (TS4GP/TS5GP/TS6GPS/TS8GP) supporting up to 10 NVIDIA double-width accelerators including H100/H200, plus Intel MAX Series GPUs. It also manufactures proprietary 1U–7U rack-mount chassis in-house, supplies InfiniBand HDR (200Gbps) networking products, CFS file servers and JBOD storage, and integrated GigaCluster HPC cluster systems with diskless boot, batch schedulers (Sun GridEngine/TORQUE), and redundant file servers.
The company serves scientific and industrial research customers in Japan — universities, national research institutes, pharmaceutical, materials science, and engineering firms — running quantum mechanics, computational chemistry, fluid dynamics, structural analysis, and AI workloads. Customer-facing software and services include installation/configuration of scientific packages (Gaussian, VASP, Wien2k, Quantum Espresso, GROMACS, LAMMPS, GAMESS), Red Hat Enterprise Linux, Intel oneAPI toolkits, and Trend Micro security software, plus cluster setup services priced ¥6,000–¥30,000 per node.
Revenue is generated primarily through one-time hardware sales of configured workstations and servers (priced ¥250K to ¥4.75M+ for CPU systems and ¥1.28M to ¥3.15M+ for GPU servers), with a small recurring maintenance stream at 3% of list price (5% for Itanium, 12% for UPS). Distribution is direct-sales only from Osaka headquarters via phone, fax, email, and web inquiry — no resellers, distributors, or international channels. The company is privately held, founder-owned under Representative Director Nakai Yasuaki, with 1–10 employees, ¥12M registered capital, and no external funding rounds.
Concurrent Systems firmographics
Firmographics- Name
- Concurrent Systems
- Legal name
- 株式会社コンカレントシステムズ
- Website
- https://concurrent.co.jp
- Company type
- Private
- Founded year
- 1987
- Operating status
- Operating
- Headcount range
- 1–10 employees
- Short description
- Concurrent Systems is a Japanese HPC hardware manufacturer in Osaka designing custom-chassis multi-socket Intel Xeon and AMD EPYC workstations, GPU servers, InfiniBand networking, and integrated cluster systems for Japanese universities, research institutes, and industrial scientific computing labs.
- Ownership category
- akta.pro rank
Concurrent Systems industry classification
Industry- Product category
- High-Performance Computing Hardware
- NAICS
- Electronic Computer Manufacturing (334111), Computer and Peripheral Equipment Manufacturing (33411), Computer Systems Design and Related Services (5415), Computer Storage Device Manufacturing (334112)
- SIC
- Electronic Computers (3571), Services-Computer Integrated Systems Design (7373), Computer Communications Equipment (3576), Computer Storage Devices (3572)
- akta.pro primary industry
- HPC-as-a-Product / On-Prem Managed HPC (Integrated Hardware + Ops) (HDACAOAK)
- akta.pro secondary industries
- GPU-Accelerated HPC Systems (HDACAOAC), HPC Clusters & Scale-Out Compute (x86/ARM) (HDACAOAB), AI/HPC Converged Systems (Hybrid Training/Simulation) (HDACAOAD), Graphics & Accelerator Cards (GPUs, compute accelerators) (HDACAGAA), HPC Cooling, Power & Infrastructure (Liquid Cooling, Racks, Power Delivery) (HDACAOAI)
Keywords
Where Concurrent Systems is headquartered
LocationHeadquarters
- HQ city
- Osaka-shi
- HQ country
- Japan
- HQ region
- Asia
Offices1 record
Markets served
Concurrent Systems business model
Business model- GTM type
- B2B
- Offering type
- Hardware or Manufacturing
- Cost components
- Supply Chain, Technology or R&D, Operations, Personnel, Marketing or Sales, Infrastructure
Revenue model
- Hardware Sales - Workstations and Servers: Sale of complete HPC workstations, servers, and cluster nodes based on Intel Xeon and AMD EPYC processors. Products sold as configured systems with pricing from ¥250,000 (entry TS1) to ¥3,380,000+ (high-end TS4D). Revenue is one-time per unit, with optional extended warranty (3% of list price per year) as recurring service revenue.
- GPU Computing Hardware: Sale of GPU accelerator cards (NVIDIA RTX, Tesla, A800, H100) and GPU server systems supporting multiple GPU configurations. Pricing from ¥92,000 (T1000) to ¥6,700,000 (H200).
- Storage and Networking Hardware: Sale of file servers (CFS series), JBOD disk arrays, InfiniBand cards and switches, network switches, and related accessories. Pricing for storage from ¥610,000 (JBOD16) to ¥1,190,000 (CFS3U).
- Software Licensing: Resale of software licenses including Red Hat Enterprise Linux, Intel oneAPI toolkits, TrendMicro security software, and scientific computing software (Gaussian, VASP, Wien2k, Quantum Espresso, GROMACS, LAMMPS, GAMESS) installation services.
- Professional Services and Cluster Setup: Installation and configuration services including OS setup, MPI installation, batch processing system setup, full cluster configuration, and specialized scientific software compilation/install services. Services priced from ¥6,000 to ¥30,000 per node depending on scope.
- Annual Maintenance and Support: Send-back warranty service for first year included with hardware purchase. Post-warranty annual maintenance contracts offered at 3% of list price (5% for Itanium systems, 12% for UPS). Provides continued support, spare parts, and technical assistance.
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| One time/ perpetual license | Pay-as-you-go | TS1 Core Ultra entry workstation |
| One time/ perpetual license | Pay-as-you-go | TS2 Xeon CascadeLake-W 1-way workstation |
| One time/ perpetual license | Pay-as-you-go | TS3S Xeon6 1-way workstation/server |
| One time/ perpetual license | Pay-as-you-go | TS3D Xeon6 2-way workstation/server |
| One time/ perpetual license | Pay-as-you-go | TS4S Xeon6 6900P 1-way high-end workstation |
| One time/ perpetual license | Pay-as-you-go | TS4D Xeon6 6900P 2-way cluster element |
| One time/ perpetual license | Pay-as-you-go | TS3Q Xeon SapphireRapids 4-way workstation |
| One time/ perpetual license | Pay-as-you-go | GPU Servers TS4GP/TS5GP/TS6GPS/TS8GP |
| One time/ perpetual license | Pay-as-you-go | CFS File Servers |
| One time/ perpetual license | Pay-as-you-go | JBOD Disk Arrays |
| One time/ perpetual license | Pay-as-you-go | Cluster System Racks and Infrastructure |
Go-to-market motion1 record
Distribution channels1 record
Marketing channels3 records
Concurrent Systems product offering
Product offeringCore offering
Concurrent Systems (株式会社コンカレントシステムズ) designs, manufactures, and sells high-performance computing (HPC) hardware including multi-socket Intel Xeon and AMD EPYC workstations and servers (1-way to 4-way), GPU computing servers supporting up to 10 double-width NVIDIA GPUs, InfiniBand HDR 200Gbps networking, and integrated cluster systems (GigaCluster). The company also provides storage (CFS file servers, JBOD arrays), scientific software installation services (Gaussian, VASP, GROMACS, etc.), and annual maintenance contracts. All products are sold directly to research institutions, universities, and industrial research labs in Japan.
Product overview
Concurrent Systems (株式会社コンカレントシステムズ) is a Japanese high-performance computing (HPC) hardware manufacturer offering a comprehensive portfolio of workstations, servers, GPU computing systems, storage, and cluster solutions. The product lineup centers on Intel Xeon (Xeon6, SapphireRapids, EmeraldRapids, IceLake-SP) and AMD EPYC (9004/9005 series) processor-based systems across multiple form factors. Core workstation/server lines include TS3D (dual Xeon), TS3S (single Xeon), TS3Q (4-way Xeon), TS4D/TS4S (Xeon6 high-memory), TS2 (single Xeon CascadeLake), T9D/T9S (AMD EPYC dual/single), and Tempest9D/Q (Opteron legacy). GPU computing is served through TS4GP/TS6GPS/TS5GP/TS8GP GPU servers supporting 4-10 double-width GPUs. Storage includes CFS file servers with hardware RAID and JBOD disk arrays. The portfolio is rounded out by GigaCluster integrated HPC cluster systems, InfiniBand high-speed networking products, rack mount consoles, GPU cards (NVIDIA/Intel), Xeon Phi coprocessors, and software/services including Intel compilers, Linux OS, cluster setup, and scientific software installation.
Differentiator
Problem solved
Functional benefit
Quantifiable outcome
- Up to 200Gbps InfiniBand HDR interconnect bandwidth for cluster communication
- +4 more outcomes
Companies that use Concurrent Systems
Customer profileSegments2 records
Ideal customer profiles2 records
Concurrent Systems technology and API
TechnologyAPI detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Integration17 records
Feature4 records
Concurrent Systems partnerships and signals
Strategic signalPartnerships
Four partnerships are on record, tiered core.
- Intel CorporationcoreIntel is a core technology partner providing Xeon and Xeon6 processors for the company's workstations and servers. Concurrent Systems has been selling Intel-based systems since the late 1990s, continuously updating product lines with latest Xeon generations including SapphireRapids, EmeraldRapids, and Xeon6 P-Core processors.
- AMDcoreAMD provides EPYC processors for the company's workstation and server product lines. Concurrent Systems offers AMD-based systems including T9D and T9S with EPYC 9004 and 9005 series (up to 192 cores per CPU), and Tempest9 series with Opteron processors.
- NVIDIAcoreNVIDIA provides GPU accelerators (Tesla, RTX, A-series, H-series) for the company's GPU computing product line. Concurrent Systems sells GPU cards and GPU server systems (TS4GP, TS6GPS, TS5GP, TS8GP) supporting NVIDIA GPUs from entry-level RTX to high-end H200 (141GB HBM).
- Mellanox Technologies (NVIDIA)coreMellanox (now part of NVIDIA) provides InfiniBand products including HDR 200Gbps Host Channel Adapters and switches used in the company's cluster computing systems. Mellanox InfiniBand is described as the preferred interconnect for parallel computing clusters.
Scale indicators7 records
Recent moves9 records
Expansion highlights4 records
Concurrent Systems competitors and assessment
Company assessmentBroad incumbents
- NEC: NEC sells Express5800 server lines and HPC cluster systems in Japan, including the LX series used in academic and industrial research. It is a domestic Japanese competitor with overlapping HPC and scientific computing customers, though at significantly larger scale.
- Fujitsu: Fujitsu is a major Japanese IT vendor with PRIMEHPC/Supercomputer systems (Fugaku lineage) and PRIMERGY x86 servers. It directly competes with Concurrent Systems in the Japanese enterprise and research HPC market, but at much larger scale and with a broader portfolio including services and software.
- Lenovo: Lenovo is a global Tier-1 HPC vendor with ThinkSystem servers, multi-socket Xeon and EPYC configurations, and ThinkSystem SD650 GPU-rich nodes. It competes broadly in the HPC workstation and cluster category, including in Japan via its Tokyo-based operations.
- Dell Technologies: Dell PowerEdge and Dell HPC solutions cover multi-socket Xeon/EPYC servers, GPU-rich AI systems, and integrated cluster offerings. It competes with Concurrent Systems in the Japanese enterprise and research computing market with substantially greater scale and service portfolio.
- HPE Cray: HPE Cray (formerly Cray, now part of HPE) is a top-tier HPC vendor specializing in supercomputers and large cluster systems. While it serves a higher-end segment than Concurrent Systems, it competes for the same research and scientific computing customer budget in Japan.
- Hewlett Packard Enterprise (HPE): HPE operates one of the largest HPC franchises globally, including the Cray product line and ProLiant servers sold into Japanese research and industrial accounts. It is a much larger incumbent competing for the same HPC and AI workloads that Concurrent Systems addresses.
Emerging players
- Colfax International: Colfax International is a specialized HPC system integrator focused on multi-GPU servers, storage, and clustering for research and AI workloads. It overlaps with Concurrent Systems' GPU-server and cluster integration business, though primarily serving US and European markets.
- Atos (Eviden / BullSequana): Atos (through its Eviden business) builds the BullSequana HPC supercomputer line, including GPU-accelerated systems sold into research and industrial accounts. It competes with Concurrent Systems in the HPC cluster and GPU-server space, particularly for scientific computing workloads.
- Penguin Computing (SMG/Legrand): Penguin Computing (now part of SMG) is a US-based HPC specialist offering custom servers, GPU clusters, and storage solutions for research and AI customers. Its profile (custom HPC focus, niche specialist) closely mirrors Concurrent Systems' positioning, though at larger scale and global reach.
Direct peers
- Supermicro: Supermicro is a leading global manufacturer of HPC servers, GPU servers, and storage systems with extensive multi-socket Xeon and AMD EPYC product lines. It competes head-to-head with Concurrent Systems in the HPC server and GPU-compute category, with comparable high-density GPU configurations and similar scientific computing customer base.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat4 records
Key risks6 records
Key highlights6 records
Customer concentration
Concurrent Systems financial estimates
Financial estimateRevenue estimate
Valuation estimate
Concurrent Systems leadership team
Management profileNumber of profiles
Profiles1 record
Concurrent Systems funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Concurrent Systems M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about Concurrent Systems
What does Concurrent Systems do?
Concurrent Systems (株式会社コンカレントシステムズ) designs, manufactures, and sells high-performance computing (HPC) hardware including multi-socket Intel Xeon and AMD EPYC workstations and servers (1-way to 4-way), GPU computing servers supporting up to 10 double-width NVIDIA GPUs, InfiniBand HDR 200Gbps networking, and integrated cluster systems (GigaCluster). The company also provides storage (CFS file servers, JBOD arrays), scientific software installation services (Gaussian, VASP, GROMACS, etc.), and annual maintenance contracts. All products are sold directly to research institutions, universities, and industrial research labs in Japan.
Is Concurrent Systems a public or private company?
Concurrent Systems is a private company. It is classified as founder individual operated bootstrapped and is currently operating.
When was Concurrent Systems founded?
Concurrent Systems was founded in 1987. It employs 1 to 10 people.
Where is Concurrent Systems based?
Concurrent Systems is headquartered in Osaka-shi, Japan, in the Asia region.
How does Concurrent Systems make money?
Six revenue lines are on record. Hardware Sales - Workstations and Servers are the primary driver. The others are GPU Computing Hardware, storage and Networking Hardware, software Licensing, professional Services and Cluster Setup and annual Maintenance and Support.
Who are Concurrent Systems's main competitors?
Broad incumbents on record are NEC, Fujitsu, Lenovo, Dell Technologies, HPE Cray and Hewlett Packard Enterprise (HPE). Emerging players are Colfax International, Atos (Eviden / BullSequana) and Penguin Computing (SMG/Legrand). Supermicro is listed as a direct peer.
Does Concurrent Systems have an API?
No public API is recorded for Concurrent Systems.
What industry is Concurrent Systems in?
Concurrent Systems's product category is High-Performance Computing Hardware. Its primary akta.pro industry code is HDACAOAK, HPC-as-a-Product / On-Prem Managed HPC (Integrated Hardware + Ops), with a secondary code of HDACAOAC, GPU-Accelerated HPC Systems. Its NAICS code is 334111 and its SIC code is 3571.