In the era of explosive data growth and 5G/AI-driven digital transformation, high-density, high-speed optical connectivity is non-negotiable. Etern Optoelectronics—with 20+ years of R&D expertise in optical chips, devices, and transceivers, delivers customized MPO (Multi-fiber Push-On) connectivity solutions. As MPO connectors are core components for high-speed parallel transmission (compatible with MTP connectors, a branded version of MPO that is 100% interchangeable), our products are perfectly paired with industry-leading transceivers, optimizing network efficiency, reducing latency, and future-proofing your infrastructure. All product images are available at https://www.szetern.com.

Figure 1, Etern Optoelectronics MPO series products
Why Etern’s MPO & Transceiver Combo?
Etern’s MPO solutions adhere to global standards (TIA-568.3-D, IEC 61754-7) and are engineered to work seamlessly with mainstream transceiver modules. We offer unmatched advantages for data centers, and telecom networks deployments:
- Ultra-High Bandwidth: Support for 40G to 800G parallel transmission, matching QSFP+, QSFP28, QSFP-DD, OSFPand QSFP112 OSFP112 Specifically, 16-fiber MPO can support 400G SR8, 800G SR8 and 800G DR8 transceivers with a single connector, replacing 16 single-core connectors to simplify cabling.
- Zero Signal Loss: Precision polarity management ensures Tx-Rx alignment, eliminating data errors and communication failures.
- Proven Reliability: MTBF > 20 years, with high-volume delivery capacity and ORAN compatibility for 5G NSA/SA networks.
MPO Core Count Series: Match the Right Transceiver for Your Needs
Etern offers 4 core count MPO options, each tailored to specific transceiver types and application scenarios. Choose the ideal combination to maximize fiber utilization and network scalability.
- 8-Fiber MPO: Legacy & Medium-Bandwidth Optimization
- Structure: 1x8 single-row fiber arrangement, using outer 8 fibers of a standard 12-fiber MPO connector.
- Compatible Transceivers: 40G QSFP+ SR4/PSM4, 100G QSFP28 SR4 (via breakout).
- Key Applications: Small data centers, 10G-to-40G network migration, and entry-level parallel transmission.
- Benefits: Minimizes fiber waste with built-in redundancy for future upgrades.
- 12-Fiber MPO: The Industry Standard for Mainstream Networks
- Structure: 1x12 single-row fiber arrangement, the most widely adopted MPO standard globally.
- Compatible Transceivers: 40G QSFP+ SR4, 100G QSFP28 SR4/PSM4, 200G QSFP56 SR4, 400G QSFP-DD DR4 and so on.
- Key Applications: Data center intra-rack connections, campus networks, 5G fronthaul RRH-BBU links.
- Benefits: Balances density and flexibility; supports smooth upgrades to 400G without replacing existing cabling.
- 16-Fiber MPO: Next-Gen 200G/400G High-Density Solution
- Structure: 1x16 single-row fiber arrangement, doubling density within the standard MPO footprint.
- Compatible Transceivers: 400G QSFP-DD SR8/MPO16 and 800G DR8 (a key matching transceiver for 16-fiber MPO in high-speed data center scenarios).
- Key Applications: Hyperscale data center inter-rack links, AI workloads, 400G Ethernet deployments.
- Benefits: Enables direct 1:1 connection for 400G SR8 transceivers and 800G DR8 transceivers; high breakout efficiency for splitting into dual 200G links. Doubles density within the standard MPO footprint, perfectly adapting to the demand for high-speed optical modules driven by AI development.
- 24-Fiber MPO: Ultimate Density for 800G & AI Clusters
- Structure: 2x12 dual-row fiber arrangement, the highest-density MPO solution on the market.
- Compatible Transceivers: 400G QSFP-DD SR8, 800G OSFP SR8, and high-rate transceivers above 800G. As high-speed optical modules such as 800G and 1.6T are widely used, 24-fiber MPO has become a core supporting component.
- Key Applications: Ultra-high-throughput AI/ML clusters, 800G Ethernet networks, hyperscale data centers.
- Benefits: Maximizes port density per rack unit; supports 800G links with 8 spare fibers for redundancy; minimizes cable bulk and improves airflow. It is the highest-density MPO solution currently, meeting the ultra-high bandwidth demand of AI/ML clusters and hyperscale data centers.
Partner with Etern Today
Etern Optoelectronics combines cutting-edge MPO technology with high-performance transceivers to deliver scalable, cost-effective optical connectivity. Adhering to Telcordia-GR-326, IEC standards and Rohs requirements, our solutions perfectly meet the needs of small data centers, AI-driven hyperscale networks, and 5G fronthaul projects.