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Reliable fanout connectivity with stable lanes.
QSFP-40G-iSM4
Huawei 40GBase-iSM4 Optical Transceiver QSFP-40G-iSM4,QSFP+,...
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QSFP-40G-iSM4
Huawei 40GBase-iSM4 Optical Transceiver QSFP-40G-iSM4,QSFP+,...
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QSFP-40G-iSM4 is a QSFP transceiver module that supports a robust 40G data rate using LC connectors for optical communication over multi-mode fiber. Designed for short-range transmission, this module complies with Ethernet protocols and is ideally suited for data center, enterprise, and telecom network applications.
QSFP-40G-iSM4 features a compact QSFP form factor with standardized physical dimensions that enable high-density deployment. Its design integrates multi-lane signal processing and energy-efficient operation while ensuring compatibility with leading networking platforms such as Cisco, Juniper, Huawei, and Arista.
QSFP-40G-iSM4 price is $597.59, a 83% saving from the Huawei list price of $3,515.28. QSFP-40G-iSM4 is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for QSFP-40G-iSM4 for additional pricing. Browse the full Huawei Transceivers series or explore all Huawei products.
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 QSFP-40G-iSM4 |  DWDM-XFP10G-1549-32 |  QSFP-40G-ER4 |  OSX070008 |  OSN020N15 | |
|---|---|---|---|---|---|
| Product Type | Transceiver | Transceiver | Transceiver | Transceiver | Transceiver |
| Form Factor | QSFP | XFP | QSFP | SFP+ | SFP+ |
| Data Rate | 40G | 10G | 40G | 10G | 10G |
| Connector Type | LC | LC | LC | LC | LC |
| Wavelength | 850 nm | 1549 nm | 1310 nm | 850nm | 850 nm |
| Transmission Distance | Short-Range | Long-Range | Extended-Range | Short-Range | Short-Range |
| Fiber Type | Multi-mode | Single-mode | Single-mode | Multi-mode | Multi-mode |
| Max Distance | 150 m | 80 km | 40 km | 300 meters | 300 meters |
| Supported Protocols | Ethernet | Ethernet, Fibre Channel | Ethernet | Ethernet | Ethernet |
| Network Interface | Ethernet | Ethernet | Ethernet | Fiber | Ethernet |
| Power Consumption | N/A | 3.5 W | 3.5 W | 3.5W | 3.5W |
| Operating Temperature | 0 to 70°C | 0 to 70°C | 0 to 70°C | 0 to 70°C | 0 to 70°C |
| Storage Temperature | -40 to 85°C | -40 to 85°C | -40 to 85°C | -40 to 85°C | -40 to 85°C |
| Input Voltage | 3.3V | 3.3V | 3.3V | 3.3V | 3.3V |
| Compatibility | Cisco / Juniper / Huawei / Arista | Cisco, Juniper, Huawei, Arista | Cisco / Juniper / Huawei / Arista | Cisco / Juniper / Huawei / Arista | Cisco / Juniper / Huawei / Arista |
| Product Name | QSFP-40G-iSM4 | DWDM-XFP10G-1549-32 | QSFP-40G-ER4 | OSX070008 10G SFP+ Optical Transceiver | OSN020N15 10GBASE-SR SFP+ Transceiver |
| Height | N/A | 0.82 inches | 0.38 inches | 0.14 inches | 0.54 inches |
| Width | N/A | 2.57 inches | 0.83 inches | 1.18 inches | 0.67 inches |
| Depth | N/A | 0.55 inches | 3.4 inches | 0.55 inches | 2.17 inches |
| Weight | N/A | 0.21 lbs | 0.22 lbs | 0.1 lbs | 0.1 lbs |
Reliable fanout connectivity with stable lanes.
Works well with breakout configurations.
Clean signal across all channels.
Easy deployment in aggregation layers.
Predictable performance under load.
Solid 40G iSM4 module.
The QSFP-40G-iSM4 is a hot-pluggable Huawei 40GBase-iSM4 QSFP+ transceiver module providing 40Gbps over single-mode fiber with an MPO interface for 4×10G breakout.
It supports an aggregate 40Gbps data rate via four independent 10Gbps channels for high-speed links.
This transceiver uses single-mode fiber (SMF) optimized for 1310nm wavelength transmission.
It transmits up to 1.4 kilometers over single-mode fiber at 1310nm with full performance.