Which Ethernet speed category does the Juniper QSFPP-40GBASE-SR4 support?

The module is positioned within the QSFP+ 40 Gigabit Ethernet category. This categorization indicates that it is aligned with 40 Gigabit Ethernet applications, making it suitable for environments where 40G connectivity over an optical transceiver form factor is required in supported Juniper Networks platforms.

What fiber and connector category is associated with this transceiver?

The product falls under the 40GBASE-SR4 MMF 850 nm MPO category. This indicates that it is intended for multimode fiber deployments in the 850 nm wavelength class and is associated with MPO connectivity, suitable for environments designed around multimode MPO cabling.

Is the QSFPP-40GBASE-SR4 suitable for multimode fiber cabling?

Yes, the transceiver is categorized as 40GBASE-SR4 MMF 850 nm MPO, which identifies it as intended for multimode fiber (MMF) applications. This categorization helps ensure that it is selected for multimode optical cabling infrastructures designed for 40 Gigabit Ethernet short-reach use cases.

How can procurement teams uniquely identify this Juniper transceiver?

Procurement teams can use both the model name QSFPP-40GBASE-SR4 and the SKU 740-067443. These identifiers, combined with its category as a QSFP+ 40 Gigabit Ethernet 40GBASE-SR4 MMF 850 nm MPO optical transceiver, provide clear reference points for ordering and documentation.

740-067443 - Juniper Networks 740-067443 QSFPP-40GBASE-SR4 transceiver

Name: Juniper Networks 740-067443 QSFPP-40GBASE-SR4 transceiver
Brand: Juniper
SKU: 740-067443
Price: 242 USD
Availability: InStock

740-067443 - Juniper Networks 740-067443 QSFPP-40GBASE-SR4 transceiver | US IT Hardware

Product overview

The Juniper Networks QSFPP-40GBASE-SR4 is a QSFP+ optical transceiver module identified by SKU 740-067443. It is categorized for 40 Gigabit Ethernet applications in the QSFP+ 40 Gigabit Ethernet 40GBASE-SR4 MMF 850 nm MPO segment. This module is designed as an optical transceiver product type, using a QSFP+ form factor suited to high-speed optical connectivity. The connector type for this transceiver is MPO, supporting use in multi-fiber cabling environments. Its classification in the 40GBASE-SR4 MMF 850 nm MPO category indicates operation over multimode fiber with an 850 nm wavelength class and an MPO interface. This product is aligned to 40 Gigabit Ethernet deployments where a QSFP+ optical transceiver is required. The QSFPP-40GBASE-SR4 designation directly reflects its intended 40GBASE-SR4 multimode optical role within compatible Juniper Networks platforms that accept QSFP+ optical modules.

Juniper Networks QSFPP-40GBASE-SR4 optical transceiver
SKU 740-067443 for precise product identification
QSFP+ 40 Gigabit Ethernet category module
Classified as 40GBASE-SR4 MMF 850 nm MPO
Designed for multimode fiber MPO connectivity
Optical transceiver type for QSFP+ slots

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Refunds within 14 days and replacements within 30 days of delivery with an RMA (25% restocking fee on customer-initiated returns), and every part carries our Standard 30-Day Warranty - see our return policy or contact US IT Hardware.

Featuring

Manufacturer part #	740-067443
Brand	Juniper
Condition	Refurbished
Model	QSFPP-40GBASE-SR4
Data Rate	40 Gbit/s
Wavelength	850 nm
Application	40GBASE-SR4 short‑reach multimode
Form Factor	QSFP+ (Quad Small Form-factor Pluggable Plus)
Product Line	QSFPP-40GBASE-SR4
Product Type	Optical transceiver module
Number of Lanes	4 transmit; 4 receive

Best for

40GbE MMF links
Suited for 40 Gigabit Ethernet deployments that require a QSFPP-40GBASE-SR4 optical transceiver categorized under 40GBASE-SR4 MMF 850 nm MPO for multimode fiber connectivity.
MPO-based fiber infrastructure
Appropriate for environments standardized on MPO multi-fiber connectivity, as this transceiver is categorized in the 40GBASE-SR4 MMF 850 nm MPO segment supporting an MPO interface.
QSFP+ optical switch uplinks
Useful in switch or router uplinks where QSFP+ optical transceiver slots are available and 40 Gigabit Ethernet connectivity is required, matching the QSFP+ 40 Gigabit Ethernet 40GBASE-SR4 MMF 850 nm MPO category.
850 nm multimode fiber runs
Intended for multimode fiber runs operating in the 850 nm wavelength class, as indicated by its 40GBASE-SR4 MMF 850 nm MPO categorization.
Data center aggregation
Applicable for data center aggregation layers that use QSFP+ optical modules and multimode MPO cabling defined in the 40GBASE-SR4 MMF 850 nm MPO category.

Frequently asked questions

What is the form factor and general type of the QSFPP-40GBASE-SR4 740-067443 module?

Details

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Ports	1 x QSFP+ port
Interface	QSFP+
Connector Type	MPO-12
Host Interface	QSFP+
Cable Interface	MPO-12 multimode fiber
Ethernet Technology	40 Gigabit Ethernet

Juniper Networks 740-067443 QSFPP-40GBASE-SR4 transceiver