
OSFP Transceivers: High-Speed Solutions from 400G to 1.6T
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OSFP Transceivers: High-Speed Solutions from 400G to 1.6T
Powered by Taiwan TAA-Compliant Supplier – QSFPDD800G

As next-generation data centers, AI computing, and hyperscale interconnects demand ever-growing bandwidth and lower latency, the OSFP (Octal Small Form-factor Pluggable) transceiver form factor has become a leading solution for 400G, 800G, and emerging 1.6T Ethernet deployments.
QSFPDD800G, a Taiwan-based and TAA-compliant manufacturer, delivers a wide portfolio of OSFP transceivers designed for ultra-reliable performance across enterprise, telecom, and AI infrastructures.
🔹 400G OSFP Transceivers
OSFP was originally introduced to meet the thermal and density challenges of 400G high-performance optics. The following 400G modules are widely deployed:
✅ 400G OSFP-SR4
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Short-reach module using multimode fiber
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MPO-12 interface
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Transmission distance: up to 100 meters (OM4)
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Application: TOR switch-to-switch in hyperscale DCs
✅ 400G OSFP-DR4
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Single-mode 500m reach with 4x100G PAM4 lanes
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MPO-12 connector
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Ideal for spine-to-leaf architecture
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Compatible with breakout to 100G DR modules
✅ 400G OSFP-DR4+
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Improved version with extended reach to 2km
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Works well in AI/ML clusters using NVIDIA Quantum switches
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Fully compliant with OSFP MSA and IEEE 802.3bs
🔹 800G OSFP Transceivers
With the AI boom and proliferation of GPU clusters, 800G OSFP is now standard in InfiniBand and Ethernet HPC networking. QSFPDD800G offers the following:
✅ 800G OSFP-2xSR4
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Dual 400G SR4 in one OSFP module
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8x50G PAM4 on multimode fiber
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MPO-12x2 connector
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Perfect for high-density short-reach leaf-server links
✅ 800G OSFP-2xDR4
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Dual 400G DR4 architecture
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8x100G PAM4 over SMF
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Up to 500m reach
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Common in NVIDIA-based distributed GPU training topologies
✅ 800G OSFP-2xDR4+
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Extended 2km reach
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Uses 100G PAM4 lanes over SMF
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Compatible with NVIDIA SN5600, SN4700
✅ 800G OSFP-2xER4
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Long-haul version with 40km reach
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CWDM4 optics, dual LC duplex connector
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Used in metro DCI and hyperscale interconnects
🔹 1.6T OSFP DR8 – Ready for the Next Leap
QSFPDD800G is actively developing 1.6Tbps OSFP DR8 modules featuring:
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8x200G PAM4 electrical/optical lanes
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2km transmission
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Single-mode fiber (MPO-16)
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Targeting next-gen AI fabric and rack-to-rack massive data transport
✅ Why Choose QSFPDD800G?
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🇹🇼 Taiwan-made, TAA-compliant: Trusted for U.S. government & enterprise projects
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🔧 High reliability: All modules are tested in Arista, Cisco, NVIDIA, Broadcom systems
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🔁 Broad interoperability: Full compliance with IEEE and OSFP MSA
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🌎 Global-ready: RoHS, CE, FCC, and ISO certifications
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🧠 AI-optimized: Designed for low-latency, high-density GPU clusters
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💼 Custom solutions available: OEM labeling, breakout configurations, temperature-tolerant modules
📩 Contact QSFPDD800G
Looking for a TAA-compliant OSFP supplier for your 400G/800G/1.6T network?
📧 Email: support@qsfpdd800g.com
🌐 Website: www.qsfpdd800g.com
QSFPDD800G – Enabling Scalable Optical Networks for the AI Era