New Zealand Stock QSFP Optical Modules QSFP

QSFP (Quad Small Form-factor Pluggable) optical modules are high-speed transceivers widely used in New Zealand for data center and enterprise networking, supporting speeds from 40Gbps to 800Gbps depending on the module type.

Overview of QSFP Modules

QSFP modules integrate four-lane signals into a single module, providing four times the throughput of standard SFP modules. Common types include:

• QSFP+: Supports 40Gbps, suitable for Ethernet, Fibre Channel, and InfiniBand applications .
• QSFP28: Supports 100Gbps, often used in high-performance data centers .
• QSFP-DD: Double-density modules supporting 200Gbps to 400Gbps, with some coherent optics reaching 800Gbps for long-distance DWDM links .

Types and Connectivity

QSFP modules are available in various configurations for different distances and cabling:

• Direct Attach Copper (DAC): Short-range, typically up to 7–10 meters, ideal for connecting adjacent switches .
• Active Optical Cable (AOC): Medium to long-range connections, converting electrical signals to optical for distances up to hundreds of meters .
• Multimode Fiber (MMF): Uses MPO connectors for OM3, OM4, or OM5 fiber, supporting short to medium distances (up to 400m for extended reach modules), .
• Single Mode Fiber (SMF): Uses LC connectors and WDM lasers for long-distance links, ranging from 10 km (LR4) to 80 km (ER4) at 40Gbps, with higher-speed QSFP-DD modules supporting 800G over DWDM up to 120 km or beyond .

Wavelengths and Protocols

QSFP modules support multiple wavelengths, including 850nm, 1310nm, and 1550nm, and are compatible with protocols such as Ethernet, Fibre Channel, and InfiniBand . Coherent optics modules like Cisco 800G QSFP-DD enable high-speed, long-distance data center interconnects using duplex LC interfaces .

Suppliers in New Zealand

• GenuineModules.com: Offers a full range of brand-new QSFP, QSFP+, QSFP28, and QSFP-DD modules from Cisco, Arista, Finisar, HPE, Huawei, Intel, and Juniper, including DAC, AOC, and optical transceivers .
• PB Tech: Stocks FS Arista-compatible QSFP28 100GBASE-LR4 modules with 10 km single-mode fiber reach, quality-tested for multi-vendor compatibility and fast shipping across New Zealand .

Key Considerations

When selecting QSFP modules in New Zealand:

• Compatibility: Ensure the module matches your switch or router vendor and port type.
• Distance and Fiber Type: Choose DAC for short-range, MMF for medium-range, and SMF or coherent optics for long-range connections.
• Data Rate: QSFP+ for 40Gbps, QSFP28 for 100Gbps, QSFP-DD or QSFP-DD coherent optics for 200–800Gbps.
• Form Factor: QSFP, QSFP+, QSFP28, QSFP-DD, or OSFP depending on density and network requirements. QSFP optical modules are essential for high-speed, high-density networking in New Zealand, providing flexible solutions for data centers, enterprise networks, and long-distance interconnects.