ATOP Corporation
ATOP Corporation is a Singapore-headquartered, privately held manufacturer of optical transceivers and high-speed copper interconnects spanning 1G to 1.6T, with vertically integrated silicon photonics manufacturing in China and Malaysia, serving hyperscale AI, cloud, telecom, OEM, enterprise, and wireless operators globally.
- Company typePrivate
- Founded2006
- HeadquartersFucheng, China
- Headcount101–250
- GTM typeB2B
- OfferingHardware or Manufacturing
What ATOP Corporation does
ATOP Corporation is a Singapore-headquartered, privately held manufacturer of optical transceivers and high-speed copper interconnects serving hyperscale AI infrastructure, cloud and data center operators, telecom and broadband carriers, OEM/platform partners, enterprise and campus networks, and wireless/RAN operators. The company produces a complete portfolio spanning 1G legacy links through 1.6T OSFP224 optical transceivers, with corresponding AEC, ACC, DAC, and AOC copper cables, organized into solution areas for AI & HPC, Broadband & Access, Cables & Interconnects, Data Center, Enterprise & Campus, and Wireless & RAN.
The underlying technology is built on vertically integrated silicon photonics platforms with 3nm DSP integration, advanced PAM4 and equalization algorithms tuned for hyperscale workloads, and thermal/structural modeling for AI cluster environments. Manufacturing is performed in-house at Industry 4.0 intelligent factories in China and Malaysia, incorporating automated optical alignment, robotic assembly, serial-level traceability, and in-house reliability testing. Differentiated products include 1.6T OSFP224 DR8 silicon photonics transceivers, 800G 2xFR4 modules operating below 11W typical power, and a 6.4T Co-Packaged Optics (CPO) solution being co-developed with TE Connectivity for AI compute clusters.
The business model is hardware sales through direct enterprise field sales supplemented by a multi-tier partner channel accessed via the ATOP Partner Portal, which provides real-time pricing, deal registration, and ESG documentation to distributors, VARs, system integrators, hyperscale partners, and OEM/ODM customers. Pricing is not publicly disclosed. The company is validated across Tier 1 hyperscale and OEM platforms (NVIDIA, Cisco, Arista, Juniper, H3C, Infrawaves), holds ISO 9001, ISO 14001, ESD, TÜV, UL, FCC, CE, and other certifications, and is a certified supplier to Tier 1 global telecom equipment manufacturers. ATOP is privately held with no disclosed external institutional investors or parent company.
ATOP Corporation firmographics
Firmographics- Name
- ATOP Corporation
- Legal name
- ATOP Corporation
- Website
- https://atoptechnology.com
- Company type
- Private
- Founded year
- 2006
- Operating status
- Operating
- Headcount range
- 101–250 employees
- Short description
- ATOP Corporation is a Singapore-headquartered, privately held manufacturer of optical transceivers and high-speed copper interconnects spanning 1G to 1.6T, with vertically integrated silicon photonics manufacturing in China and Malaysia, serving hyperscale AI, cloud, telecom, OEM, enterprise, and wireless operators globally.
- Ownership category
- akta.pro rank
ATOP Corporation industry classification
Industry- Product category
- Optical Transceivers and High-Speed Interconnects
- NAICS
- Semiconductor and Other Electronic Component Manufacturing (3344), Other Electronic Component Manufacturing (334419)
- SIC
- Computer Communications Equipment (3576), Optical Instruments & Lenses (3827), Semiconductors & Related Devices (3674)
- akta.pro primary industry
- Optoelectronics & Photonics (LED/Laser/Optical ICs) (HDAHAAAH)
Keywords
Where ATOP Corporation is headquartered
LocationHeadquarters
- HQ city
- Fucheng
- HQ country
- China
- HQ region
- Asia
Offices6 records
Markets served
ATOP Corporation business model
Business model- GTM type
- B2B
- Offering type
- Hardware or Manufacturing
- Cost components
- Supply Chain, Operations, Technology or R&D, Personnel, Infrastructure, Marketing or Sales
Revenue model
- Optical Transceivers: High-speed optical transceivers spanning 1.6T, 800G, 400G, 200G, 100G, and 25G and below across multiple form factors (OSFP, QSFP-DD, QSFP112, SFP28, SFP+) for AI, hyperscale, data center, telecom, and enterprise networks.
- High-Speed Copper Interconnects: Active Copper Cables (ACC), Active Electrical Cables (AEC), Direct Attach Cables (DAC), and Active Optical Cables (AOC) for intra-rack connectivity in AI and data center environments.
- Engineering and Technical Support: Pre-sales engineering consultation, product qualification support, firmware validation, and compliance documentation services for enterprise and hyperscale deployments.
Go-to-market motion1 record
Distribution channels3 records
Marketing channels10 records
ATOP Corporation product offering
Product offeringCore offering
ATOP Corporation designs, engineers, and manufactures optical transceivers and high-speed copper interconnects in-house, spanning 1G to 1.6T speeds in OSFP, QSFP-DD, QSFP112, QSFP28, QSFP56, and SFP-form factors. The portfolio covers 1.6T, 800G, 400G, 200G, 100G, and 25G/below optical modules, plus AEC, ACC, DAC, and AOC cables, delivered to hyperscale, AI, cloud, data center, telecom, enterprise, and wireless customers. ATOP operates vertically integrated R&D and Industry 4.0 manufacturing facilities in China and Malaysia, with global offices in Singapore, Shenzhen, Aalborg, and San Jose.
Product overview
ATOP Corporation offers a comprehensive portfolio of optical connectivity solutions spanning speeds from 1G to 1.6T, organized into transceivers and cables/interconnects. The product line includes: 1.6T OSFP224 optical transceivers with silicon photonics and 3nm DSP for AI fabrics; 800G optical transceivers (QSFP-DD/OSFP) with DR8, DR4, 2xFR4, SR8 variants and corresponding AOC/ACC/AEC/DAC cables; 400G/200G/100G optical transceivers and cables for mainstream data center deployments; and legacy 25G and below solutions for enterprise and access networks. ATOP also provides solution-focused portfolios for AI & HPC, Broadband & Access, Data Center, Enterprise & Campus, and Wireless & RAN applications, supported by a Partner Portal for customers and resellers. All products are manufactured in-house at vertically integrated facilities in China and Malaysia, with full traceability and ESG documentation.
Differentiator
Problem solved
Functional benefit
Products and services
- 1.6T Optical Transceivers Ultra-high-speed 1.6T optical transceivers using OSFP224 form factor with 8x212.5 Gbps lanes, featuring 3nm DSP and silicon photonics technology for AI fabric applications up to 500m reach on single-mode fiber. Designed for hyperscale AI clusters and next-generation data centers.
- 800G Optical Transceivers High-capacity 800G optical transceivers supporting QSFP-DD and OSFP form factors with variants including DR8, DR8+, DR4, 2xFR4, SR8, SR4, VR4, and silicon photonics options for AI and hyperscale data centers.
- 400G Optical Transceivers High-density 400G optical modules supporting QSFP-DD, OSFP, and QSFP112 form factors with FR4, DR4, SR8, VR4 variants and silicon photonics options for cloud and AI networks.
- 200G Optical Transceivers 200G QSFP56 SR4 transceivers supporting up to 200 Gb/s throughput and 100m reach for short-reach data center aggregation and high-density environments, available in CMIS and SFF-8636 variants.
- 100G Optical Transceivers 100G QSFP28 transceivers with reach options from 100m (SR4) to 80km (ZR4), including LR4 (10km), ER4 Lite (30km), CWDM4 (2km), and OTU4 variants for core data center networks.
- 25G and Below Optical Transceivers Legacy optical transceivers spanning 155M to 25G including SFP28 tunable DWDM (10-15km), SFP+ tunable DWDM (40-80km), BIDI, CWDM, DWDM, XFP, CSFP, and CPRI variants for enterprise, wireless, access, and transport infrastructure.
- 1.6T Copper Cables (AEC/ACC) High-speed 1.6T OSFP active electrical cables (AEC) and active copper cables (ACC) for intra-rack AI deployments in lengths from 1m to 3m.
- 800G Copper Cables (DAC/ACC/AEC) 800G passive DAC (Direct Attach Copper), active copper (ACC), and active electrical (AEC) cables in various configurations including breakout options (1x to 2x, 1x to 4x) for flexible rack deployments.
- 800G Active Optical Cables (AOC) 800G active optical cables for short-reach intra-rack connectivity supporting OSFP, OSFP-RHS, and QSFP-DD form factors with lengths up to 100m.
- 400G Copper and Optical Cables 400G interconnect cables including AOC, AEC, DAC options with QSFP-DD, QSFP112 form factors and breakout configurations (2xQSFP56, 4xQSFP56, 8xSFP56).
- 200G Copper and Optical Cables 200G interconnect cables including AOC and DAC with QSFP56 form factor and breakout options (2xQSFP56, 4xSFP56) for 0.5m to 100m deployments.
- 100G Copper and Optical Cables 100G interconnect cables including AOC and DAC with QSFP28 form factor and 4xSFP28 breakout options for 0.5m to 100m deployments.
- 25G and Below Cables 25G and 10G AOC and DAC cables with SFP28 and SFP+ form factors for access, aggregation, and legacy network connectivity from 0.5m to 100m.
- 1.6T Copper Cables (AEC/ACC) - Dedicated Entry High-speed 1.6T OSFP active electrical cables (AEC) and active copper cables (ACC) for intra-rack AI deployments in lengths from 1m to 3m.
- Partner Portal Online portal providing real-time product access, deal tools, pricing visibility, ESG documentation, product datasheets, and self-paced training certifications for distributors, system integrators, hyperscale partners, and OEM/ODM partners.
- Engineering and Technical Support Services Pre-sales engineering consultation, product qualification support, firmware validation, and compliance documentation services for enterprise and hyperscale deployments.
Quantifiable outcome
- 800G 2xFR4 modules running below 11W typical vs 15W market standard, enabling ~49 kWh per port per year savings including cooling (PUE 1.4).
- +2 more outcomes
Companies that use ATOP Corporation
Customer profileNamed customers5 records
Segments6 records
Ideal customer profiles6 records
ATOP Corporation technology and API
TechnologyTechnology focussed Yes
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Feature7 records
ATOP Corporation partnerships and signals
Strategic signalPartnerships
Six partnerships are on record, tiered core and major.
- TE ConnectivitycoreATOP and TE Connectivity deepened collaboration on 6.4T Co-Packaged Optics (CPO) ahead of OFC 2026. The partnership combines ATOP's core capabilities in optical packaging and precision optoelectronic assembly with TE Connectivity's high-speed connectivity, socket and pluggable interconnect systems, and large-scale engineering deployment expertise. This collaboration establishes a seamless bridge between optical engines and electrical connectivity, delivering a practical, scalable, and deployment-ready 6.4T CPO solution for AI computing clusters and hyperscale data centers.
- XinkemajorATOP and Xinke launched a high-speed copper connectivity project achieving full vertical integration across chip, wire, and product chain for AI infrastructure applications. This collaboration extends ATOP's vertical integration capabilities into the copper interconnect supply chain.
- CiscocoreATOP 400G/800G optical transceivers validated across Cisco switch platforms through multi-platform interoperability testing certificate.
- InfrawavescoreATOP 400G/800G optical transceivers validated across Infrawaves switch platforms through multi-platform interoperability testing certificate.
- H3CcoreATOP 400G/800G optical transceivers validated across H3C switch platforms through multi-platform interoperability testing certificate.
- NVIDIAcoreATOP 400G and 800G optical transceivers validated as compatible alternatives for NVIDIA platforms. Products underwent rigorous testing for compatibility with NVIDIA GPU clusters and switching platforms used in AI training and HPC environments.
Scale indicators3 records
Recent moves7 records
Expansion highlights7 records
ATOP Corporation competitors and assessment
Company assessmentBroad incumbents
- Coherent Corp: Coherent is a large, publicly traded manufacturer of optical components, transceivers, and laser-based networking hardware serving datacom, telecom, and industrial markets. It competes with ATOP in pluggable optical transceivers and silicon photonics for AI/hyperscale customers but operates across a much broader photonics portfolio.
- Broadcom: Broadcom is a major incumbent in networking semiconductors and optical components, including switch ASICs and DSPs that power AI fabric deployments. It overlaps with ATOP through its optical portfolio and influences the CPO and pluggable optics roadmap ATOP depends on.
- Lumentum Holdings: Lumentum designs and manufactures optical and photonic products, including high-speed transceivers for cloud and AI data centers. It overlaps with ATOP in datacom transceiver and silicon photonics roadmaps while also serving 3D sensing and industrial laser markets.
- Marvell Technology: Marvell supplies DSPs, optical PHYs, and connectivity silicon used in high-speed transceivers and switches for cloud and AI data centers. While not a direct pluggable transceiver competitor at scale, Marvell's DSP platform is integral to ATOP's 3nm-based transceiver designs.
Emerging players
- Accelink Technologies: Accelink is a Chinese manufacturer of optical components and transceivers with strong telecom OEM relationships. It competes with ATOP in PON and telecom-grade optics and increasingly in higher-speed datacom modules.
- Hisense Broadband: Hisense Broadband manufactures optical modules and PON transceivers for telecom and data center customers globally. It overlaps with ATOP in 10G/25G/100G optics and broadband access solutions, particularly in the Greater China and EMEA regions.
Direct peers
- Source Photonics: Source Photonics designs and manufactures optical transceivers and components for data center, wireless, and broadband access networks. It is comparable to ATOP across product portfolio, customer base, and vertically integrated manufacturing approach.
- InnoLight Technology: InnoLight is a leading Chinese manufacturer of high-speed optical transceivers specializing in 400G/800G/1.6T modules for hyperscale and AI customers. It is the closest direct competitor to ATOP in product portfolio, customer base (including NVIDIA-validated platforms), and manufacturing footprint.
- Eoptolink Technology: Eoptolink is a Chinese optical transceiver manufacturer focused on 10G to 800G modules for data centers, telecom, and 5G. It directly competes with ATOP in pluggable optics across similar speeds and customer segments.
Others
- TE Connectivity: TE Connectivity is a global provider of connectivity and sensor solutions, including high-speed sockets and interconnect systems. As ATOP's named co-development partner on the 6.4T CPO platform, TE is an adjacent ecosystem participant rather than a direct competitor, but is shaping ATOP's next-generation roadmap.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat6 records
Key risks6 records
Key highlights7 records
Customer concentration
ATOP Corporation social profiles
Digital presenceATOP Corporation compliance and trust
Trust signalCompliance13 records
ATOP Corporation financial estimates
Financial estimateRevenue estimate
Valuation estimate
ATOP Corporation leadership team
Management profileNumber of profiles
ATOP Corporation funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
ATOP Corporation 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 ATOP Corporation
What does ATOP Corporation do?
ATOP Corporation designs, engineers, and manufactures optical transceivers and high-speed copper interconnects in-house, spanning 1G to 1.6T speeds in OSFP, QSFP-DD, QSFP112, QSFP28, QSFP56, and SFP-form factors. The portfolio covers 1.6T, 800G, 400G, 200G, 100G, and 25G/below optical modules, plus AEC, ACC, DAC, and AOC cables, delivered to hyperscale, AI, cloud, data center, telecom, enterprise, and wireless customers. ATOP operates vertically integrated R&D and Industry 4.0 manufacturing facilities in China and Malaysia, with global offices in Singapore, Shenzhen, Aalborg, and San Jose.
Is ATOP Corporation a public or private company?
ATOP Corporation is a private company. It is classified as unknown and is currently operating.
When was ATOP Corporation founded?
ATOP Corporation was founded in 2006. It employs 101 to 250 people.
Where is ATOP Corporation based?
ATOP Corporation is headquartered in Fucheng, China, in the Asia region.
How does ATOP Corporation make money?
Three revenue lines are on record. Optical Transceivers are the primary driver. The others are high-Speed Copper Interconnects and engineering and Technical Support.
Who are ATOP Corporation's main competitors?
Broad incumbents on record are Coherent Corp, Broadcom, Lumentum Holdings and Marvell Technology. Emerging players are Accelink Technologies and Hisense Broadband. Direct peers are Source Photonics, InnoLight Technology and Eoptolink Technology. TE Connectivity is listed as an others.
Does ATOP Corporation have an API?
No public API is recorded for ATOP Corporation.
What industry is ATOP Corporation in?
ATOP Corporation's product category is Optical Transceivers and High-Speed Interconnects. Its primary akta.pro industry code is HDAHAAAH, Optoelectronics & Photonics (LED/Laser/Optical ICs). Its NAICS code is 3344 and its SIC code is 3576.