HPE817040-B21

Compatible 40GBASE-SR4 QSFP transceiver module - 850 nm, MPO, TAA Compliant

The 817040-B21 40GBASE-SR4 QSFP transceiver module (compatible) enables high-density 40 Gigabit Ethernetconnectivity over multimode fiber using standard MPO/MTP connections. Supporting link distances up to 150 m on OM4 and 100 m on OM3 fiber, this module delivers full-duplex 40 Gbps throughput via four independent 10.3125 Gbps lanes. It features Digital Optical Monitoring (DOM) for real-time diagnostics and is TAA compliant×suitable for government and compliant enterprise environments.Engineered for use in HPEBladeSystem and Synergy interconnects, this plug-and-play module offers reliable, manufacturer-tested performance for data centers, aggregation switches, and high-speed fiber uplinks. Its low-power design (<1.2 W) and MSA-compliant QSFP+ interface ensure broad compatibility with enterprise networking gear.

Features

This transceiver supports 40GBASE-SR4 Ethernet (IEEE 802.3ba) over multimode fiber at 850 nm wavelength, transmitting via MPO-12 connectors. Each of the four transmit and receive channels runs at up to 10.3125 Gbps, yielding an aggregate 41.25 Gbps data rate. It operates over OM3 up to 100 m and OM4 up to 150 m, making it ideal for short-reach high-density optical uplinks in data center or campus fabric designs

Advanced Options

Built to meet MSA standards×including SFF-8436, SFF-8679, and SFF-8636×this transceiver is hot-swappable and supports DOM/ DDM for monitoring real-time optical power, temperature, and voltage via I²C/TWI interfaces

Product Key Features

• • Supports 40GBASE-SR4 over MMF (OM3/OM4)

  • Aggregate throughput up to 41.25 Gbps via four lanes

  • MPO-12 interface with duplex QSFP+ form factor

  • Link distance: up to 100 m on OM3; 150 m on OM4

  • Built-in Digital Optical Monitoring (DOM/ DDM) support

  • TAA-compliant, RoHS/CE/FCC/REACH certified

  • Power consumption under 1.2 W; ambient range 0-70 °C

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Reliability & Performance

Designed for high-density fiber connectivity, this QSFP+ transceiver delivers reliable, low-latency optical links with minimal insertion loss. Integrated DOM allows real-time monitoring of parameters like optical output, temperature, and voltage×helpful for proactive diagnostics. The tested compatible modules are factory-calibrated and serialized to ensure OEM-level interoperability and initialization behaviorIts low power consumption (≤1.2 W) and support for extended operating temperatures make it well-suited for enterprise and data center environments. Compliance with multiple industry standards ensures broad vendor compatibility and long-term deployment reliability.

Key Features :

• • 40GBASE-SR4 over multimode fiber (OM3 / OM4)

  • 41.25 Gbps aggregate via four 10.3125 Gbps lanes

  • MPO-12 QSFP+ plug-in module

  • Reach: 100 m (OM3), 150 m (OM4)

  • Digital Optical Monitoring (DOM) supported

  • MSA-compliant (SFF-8436, SFF-8679, SFF-8636)

  • Low power (<1.2 W), industrial operating temperature

Specification	Details
Model Number	817040-B21 Compatible
Product Category	40 GBASE-SR4 QSFP transceiver module
Data Rate	40 Gbps (41.25 Gbps aggregate)
Wavelength	850 nm
Fiber Type	Multimode Fiber (OM3/OM4)
Reach	100 m on OM3; 150 m on OM4
Connector	MPO-12 (lanes 4× LC breakout)
Form Factor	QSFP+ Plug-In Module
DOM/Diagnostics	Yes (I²C/TWI interface)
Power Consumption	<1.2 W
Operating Temperature	0 °C to 70 °C
Compliance	IEEE 802.3ba, RoHS, CE, FCC, TAA, MSA (SFF-8436/8679/etc.)
Hot-Swappable	Yes