NS-QSFP‑40G‑SR4 Transceiver Module | 40 Gbps, 850 nm, MPO/MTP, 100 m – Compatible with All Brands

Product Overview

The NSComm NS-QSFP‑40G‑SR4 is a high-density, parallel-optical transceiver built for 40 Gigabit Ethernet over multimode fiber.

It uses four 10 Gbps lanes, combining to provide a full 40 Gbps data throughput using an 850 nm VCSEL array. This module supports distances up to 100 m on OM3 MMF and up to 150 m on OM4 MMF, using a 12‑fiber MPO/MTP connector.

It is hot‑swappable and complies with IEEE 802.3ba and QSFP+ MSA standards. In addition, it features Digital Diagnostic Monitoring (DDM) for real-time optical performance diagnostics.

This transceiver is designed for universal brand compatibility, perfect for use with equipment from Cisco, Juniper, Arista, Dell, Huawei, HPE Aruba, and more.

Compatible Brands

The NS-QSFP-40G-SR4 is universally compatible across all brands. If you need to verify compatibility with your specific switch model, please click Contact Us Now for assistance.

Key Specifications

Specification	Details
Vendor Name	NSComm
Form Factor	QSFP+
Max. Data Rate	40 Gbps (4×10 Gbps lanes)
Wavelength	850 nm VCSEL array
Max. Cable Distance	100 m over OM3 / 150 m over OM4 MMF
Connector	12‑fiber MPO/MTP
Optical Components	VCSEL transmitter / PIN photodiode
Media Type	Multimode Fiber (MMF)
Digital Diagnostics (DDM)	Supported
TX Power	–8 dBm to +1 dBm
Receiver Sensitivity	Typically < –13 dBm
Power Consumption	< 1.5 W
Operating Temperature Range	0 °C to 70 °C (Commercial)
Protocol Compliance	IEEE 802.3ba, QSFP+ MSA

More Details

Quality Certifications

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Warranty

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Standard Warranty Policy

Original New Sealed Enterprise Hardware: 3 Years
Original New Sealed Consumer Devices: 1 Year

The Support Contacts

If your NSComm products failed, you must contact your sales representative to verify product failure. If the problem still can't correct by remote support methods i.e. email or phone support, the RMA procedure will issue.

40G QSFP+ Optical Transceiver