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StarTech.com HPE JG661A Compatible QSFP+ 40GBASE-LR4 Transceiver JG661A-ST
StarTech.com·MPN: JG661A-ST

StarTech.com HPE JG661A Compatible QSFP+ 40GBASE-LR4 Transceiver JG661A-ST

The StarTech.com JG661A-ST QSFP+ transceiver module provides robust 40 Gbps fiber optic connectivity, engineered for seamless integration with HPE networking infrastructure and ensuring high-performance data transmission up to 300 meters.

  • 40 Gbps Throughput: Delivers high-speed data transfer essential for demanding enterprise network backbones and data center interconnects.
  • Single-Mode Fiber: Enables long-distance communication up to 300 meters, reducing the need for signal repeaters in larger facilities.
  • QSFP+ Interface: Utilizes the standard QSFP+ form factor for broad compatibility with compatible HPE switches and routers.
  • Hot-Swappable Design: Allows for module replacement without powering down network equipment, minimizing downtime during maintenance.
$171.66
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Product Overview

The StarTech.com JG661A-ST is a 40Gbps QSFP+ transceiver module compatible with HPE networking equipment, supporting 40GBASE-LR4 standards over single-mode fiber for distances up to 300 meters. It features a wavelength of 850nm and includes Digital Diagnostics Monitoring (DDM) for real-time performance insights.

Engineered for enterprise network environments, this transceiver supports hot-swapping for uninterrupted operation and boasts a Mean Time Between Failures (MTBF) of over 24 million hours, indicating exceptional reliability. Its compact design and RoHS compliance ensure it fits seamlessly into existing infrastructure while meeting environmental standards.

  • 40 Gbps Data Rate: Ensures high-speed data transmission critical for large file transfers, virtualization, and high-density network traffic.
  • 300m Max Distance: Facilitates network expansion across large office floors, campuses, or data center rows without signal degradation.
  • Single-Mode Fiber Support: Optimizes signal integrity for long-haul transmissions, providing a stable connection over extended distances.
  • HPE Compatibility: Specifically designed and tested to work with HPE switches and routers, ensuring plug-and-play functionality.
  • Hot-Swap Capability: Enables module replacement without network interruption, crucial for maintaining 24/7 operational uptime.

Ensure your HPE network infrastructure operates at peak performance with this reliable, high-speed StarTech.com QSFP+ transceiver module.

Technical Specifications

1Performance & Business Impact
Maximum Data Transfer Rate40 GbpsEnsures rapid data transmission, critical for large file transfers, virtualization, and high-performance applications.
Maximum Transfer Distance300 mEnables network connectivity across large facilities without signal degradation, reducing the need for repeaters.
Interface TypeQSFP+Provides broad compatibility with enterprise-grade network switches and routers supporting the QSFP+ standard.
Fiber Ethernet Cabling Technology40GBASE-LR4Supports high-speed, long-reach fiber optic communication essential for robust network backbones.
Digital Diagnostics Monitoring (DDM)YesAllows for real-time monitoring of transceiver performance and health, enabling proactive maintenance and troubleshooting.
Mean Time Between Failures (MTBF)244,610,583 hoursIndicates exceptional reliability and longevity, minimizing the risk of unexpected hardware failures and network downtime.
2Connectivity & I/O
Fiber Optic ConnectorMPO
Wavelength850 nm
Brand CompatibilityHP
Hot-Swap SupportYes
3Physical & Environmental
Dimensions (W×D×H)122 mm × 18.3 mm × 8.5 mm
Weight49 g
Product ColorSilver
Operating Temperature0°C to 70°C (32°F to 158°F)
Operating Humidity5% to 95% RH (non-condensing)
4Lifecycle, Warranty & Compliance
WarrantyLifetime Limited Warranty
In-Box Contents1 x QSFP+ Transceiver Module
Compliance CertificationsRoHS, REACH, CE, FCC

Full Specifications

Manufacturer Data
Power1
Power consumption (typical)1.3 W
Performance10
SFP transceiver typeFiber optic
Maximum data transfer rate40000 Mbit/s
Interface typeQSFP+
Multi-mode fiber (MMF) supportedYes
Fiber optic connectorMPO
SFP transceiver standardLR4
Maximum transfer distance300 m
Wavelength850 nm
Fiber ethernet cabling technology40GBASE
Digital Diagnostics Monitoring (DDM)Yes
Features5
Product colourSilver
Hot-swapYes
Mean time between failures (MTBF)244610583 h
Brand compatibilityHP
Compatible productsJG661A
Weight & dimensions4
Width122 mm
Depth18.3 mm
Height8.5 mm
Weight49 g
Certificates2
Compliance certificatesRoHS
CertificationREACH, CE, FCC
Packaging content1
Quantity per pack1 pc(s)
Packaging data1
Package width120 mm
Logistics data1
Master (outer) case width120 mm
Downloads1
Product Datasheet79 KB
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What This Solves

High-Speed Data Center Interconnects

Connects switches and servers within data centers to support high-volume data traffic and demanding applications. This ensures low latency and high throughput for critical business operations.

Data center operators, enterprise infrastructure teams, IT operations teams

Long-Distance Campus Networking

Extends network connectivity between buildings or across large campuses using single-mode fiber. This provides reliable, high-bandwidth links essential for distributed organizations.

Multi-site enterprises, large office facilities, educational institutions

HPE Network Backbone Upgrade

Provides a 40Gbps upgrade path for existing HPE network infrastructure, enhancing overall network performance and capacity. This supports growing data demands and future scalability.

Organizations with existing HPE hardware, IT departments managing network upgrades, mid-market businesses

Key Features

40 Gbps Maximum Data Transfer Rate

Ensures rapid data transmission, critical for large file transfers, high-performance computing, and real-time applications.

Single-Mode Fiber (SMF) Support

Enables reliable, high-speed communication over extended distances up to 300 meters, reducing infrastructure costs.

QSFP+ Interface Type

Provides compatibility with a wide range of enterprise-grade network switches and routers that support the QSFP+ standard.

Hot-Swap Capability

Allows for module installation or replacement without disrupting network operations, ensuring continuous uptime.

Digital Diagnostics Monitoring (DDM)

Offers real-time insights into transceiver performance and health, enabling proactive monitoring and troubleshooting.

Compatible With

Networking Equipment

HPE switches, HPE routers, QSFP+ enabled network devices

Fiber Optic Cabling

Single-mode LC duplex fiber patch cables

Data Center Infrastructure

Server racks, patch panels, network closets

High-Speed Network Links

Inter-switch links, server-to-switch connections, storage fabric

Frequently Asked Questions

What is the maximum distance this transceiver can support?

The StarTech.com JG661A-ST transceiver supports a maximum transfer distance of 300 meters (984 ft) over single-mode fiber.

Is this transceiver compatible with non-HPE equipment?

While designed and tested for HPE compatibility, its adherence to the 40GBASE-LR4 standard may allow compatibility with other network devices that support this specific standard and form factor. Always verify compatibility with your specific equipment.

What type of fiber optic cable is required for this transceiver?

This transceiver requires single-mode fiber optic cable with an LC connector for optimal performance over its specified distance.

Can this transceiver be installed while the network switch is powered on?

Yes, this QSFP+ transceiver features hot-swap capability, meaning it can be installed or replaced without powering down the network switch, minimizing downtime.

Warranty & Returns

Manufacturer Warranty

Lifetime

Warranty is provided directly by the manufacturer and covers defects in materials and workmanship under normal use.

Return Policy

Returns subject to manufacturer approval

Hardware returns are governed by the manufacturer's return policy. Some products are non-returnable or subject to restocking fees. Defective items are handled under the manufacturer warranty. Contact Zent Networks before initiating any return.

$171.66