400G OSFP SR8 Short-Reach Optical Transceiver for High-Density Data Centers

The 400G OSFP SR8 Optical Transceiver is a next-generation short-reach optical module designed for ultra-high-speed data transmission in modern hyperscale data centers. Utilizing eight parallel lanes over multimode fiber, it delivers an aggregated bandwidth of 400Gbps, enabling extremely high throughput and low-latency connectivity between switches, servers, and high-performance computing systems.

Engineered in the OSFP form factor, this transceiver is optimized for high-density deployments where thermal efficiency and port scalability are critical. It is widely used in AI clusters, cloud infrastructure, and backbone data center networks requiring massive bandwidth aggregation over short distances.

• Supports 400Gbps aggregate data rate (8 × 50G lanes)
• SR8 short-reach architecture for multimode fiber (MMF)
• High-performance VCSEL-based 850nm optical technology
• OSFP form factor designed for high-density switches
• Up to 70m transmission with OM3 / up to 100m with OM4 fiber
• Low power consumption optimized for hyperscale environments
• Hot-pluggable and MSA compliant design
• Advanced thermal dissipation structure for stable operation
• High signal integrity with low bit error rate
• RoHS compliant and environmentally friendly design

• Hyperscale data center interconnects
• AI and machine learning computing clusters
• Cloud service provider networks
• High-performance computing (HPC) systems
• Spine-leaf architecture in modern data centers
• Short-reach high-bandwidth switch-to-switch links

We provide full OEM and customization support for large-scale deployment projects. Options include custom labeling, EEPROM programming, compatibility coding for major vendors (Cisco, Juniper, Arista, NVIDIA, etc.), and tailored packaging solutions. We also support project-based engineering customization for specific power budgets, thermal profiles, and system integration requirements.

Q1: What does SR8 mean in 400G transceivers?
A: SR8 indicates short-reach transmission using 8 parallel optical lanes, each carrying 50Gbps, typically over multimode fiber.

Q2: What fiber type is required for this module?
A: It is designed for multimode fiber (MMF), typically OM3 or OM4, to support high-speed short-distance transmission.

Q3: What is the typical maximum transmission distance?
A: Up to 70 meters on OM3 fiber and up to 100 meters on OM4 fiber under optimal conditions.

Q4: Why is OSFP used instead of QSFP-DD?
A: OSFP provides better thermal performance and power handling, making it suitable for high-power 400G deployments in dense environments.

Q5: Is this module suitable for AI cluster networks?
A: Yes, it is widely used in AI and HPC environments where extremely high bandwidth and low latency are required.