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QSFP-40G-iSM4
Huawei 40GBase-iSM4 Optical Transceiver QSFP-40G-iSM4,QSFP+,...
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Pay by PayPal or Revolut with full chargeback rights. Order on PO terms, Net-30 for government.
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Since 2016, Enterprise-Trusted
Ten years serving buyers who audit their vendors. From federal agencies to 20,000+ enterprise clients worldwide.
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 |
| 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 |
Every unit is authentic, sourced through trusted and authorised channels, and serial-verified on request. Genuine networking and IT hardware, guaranteed, or your money back.
New products are backed by up to 3 years of extended warranty, and certified refurbished units by up to 3 months, for dependable protection on every order. Coverage is clear, honoured in full, and confirmed on each product page.
If a unit ever falls short, our streamlined RMA process gets a replacement to you fast, with advance replacement available to keep your network running. No jargon, no runaround.
Every device is inspected, bench-tested, and firmware-verified, with configurations wiped before dispatch. Additional testing can be arranged to confirm full working condition on request.
Our specialists assist with compatibility, configuration, licensing, and installation, before and after you buy. Real hardware expertise, whenever you need it.
dispatched quickly and shipped worldwide from regional hubs, fully tracked and insured.
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.
The module uses an MPO 12-fiber female connector and breaks out to four LC connectors via MPO fanout.
Yes, it provides transparent breakout to four 10Gbps SFP+ transceivers using an MPO-to-LC fanout cable.
Yes, it is fully compatible with Huawei devices supporting IEEE 802.3ba 40GBase-iSM4 QSFP+ ports.
Yes, it features DDM for real-time monitoring of optical power, temperature, voltage and bias current.
Yes, the module is hot-pluggable and can be installed or removed without powering down the system.
It reliably operates between 0°C and 70°C (32°F to 158°F) in standard environments.
Typical power consumption is ≤1.5W, ensuring energy-efficient 40G operation.
It is ideal for data center uplinks, server aggregation, high-speed backbone links and metro connectivity.
The transceiver complies with IEEE 802.3ba 40GBase-iSM4 and QSFP+ MSA specifications.
Insert the module into a compatible QSFP+ port until the latch clicks, ensuring secure engagement.
The ordering SKU for this Huawei 40GBase-iSM4 QSFP+ single-mode module is QSFP-40G-iSM4.
Yes, it offers full 4×10G breakout capability, providing seamless integration with existing 10G networks.
United States
