We Accept POs from Fortune 500 Companies, Defense and Government Agencies (Federal, State, Local), Universities, Schools and Colleges.

StarTech.com 40 Gigabit Fiber 40GBase-SR4 QSFP+ transceiver module  - Cisco QSFP-40G-SR4 Compatible - MM MPO - 150 m (492 ft)

StarTech.com 40 Gigabit Fiber 40GBase-SR4 QSFP+ transceiver module - Cisco QSFP-40G-SR4 Compatible - MM MPO - 150 m (492 ft)

(0 Reviews)
Category: Transceivers
Availability: Out of Stock
Part Number: QSFP40GSR4ST
Manufacturer: StarTech.com
Payment Methods: Visa American Express Discover Mastercard PayPal
Inc. VAT
MSRP:
Ex. VAT
MSRP:

-You Save:



REQUEST A QUOTE

Request a quote below or call 02079938331 for further assistance with this part number

Get exclusive discounts on bulk orders

This Cisco® compatible 40GBase QSFP+ (Quad Small Form-Factor Pluggable) is engineered by StarTech.com to deliver what you want most in your network connections: reliable performance. Built to exacting specifications and fully tested to ensure maximum performance, you can install this high-quality fiber transceiver module into Cisco networking devices that support the Cisco QSFP-40G-SR4 QSFP+ transceiver module, as well as other major brands of networking equipment. With powerful four-lane performance, this 40GBase-SR4 QSFP+ delivers 40 Gigabit connectivity over multimode fiber with a wavelength of 850nm and a range of up to up to 150 m (492 ft.). It provides a dependable and cost-effective way to add, replace or upgrade the ports on your networking equipment, and it's backed by a lifetime warranty.Built for reliable network performance This 40GBase-SR4 QSFP+ is manufactured by StarTech.com to meet or exceed OEM specifications and comply with the industry’s MSA (Multi-Source Agreement) standards. Committed to the highest standards of quality, StarTech.com provides an extensive range of networking products including copper and fiber network cards, fiber media converters, Ethernet switches and wireless products.Fully compatible with Cisco and other major brands The 40 Gigabit multimode QSFP+ is engineered to the highest quality standards and is 100% Cisco compatible, equivalent to the Cisco QSFP-40G-SR4 optical transceiver. The StarTech.com QSFP+ transceiver module is

Networking
Fiber optic connectorMPO
Networking standardsIEEE 802.3ba
SFP transceiver typeSR4
Data transfer rate (max)40000 Mbit/s
Interface typeQSFP+
Technical details
Package width90 mm
Package height30 mm
Hot-Plug supportYes
Maximum transfer distance150 m
Wavelength850 nm
Cable typeFiber optic
Duplex systemFull
Full duplexYes
Performance
Country of originChina
Digital Diagnostics Monitoring (DDM)Yes
Colour of productSilver
Housing materialAluminium
Hot-Plug supportYes
Maximum transfer distance150 m
Wavelength850 nm
Cable typeFiber optic
Duplex systemFull
Multi-mode fiber (MMF) supportedYes
Packaging data
Package weight60 g
Operational conditions
Operating temperature (T-T)0 - 70 °C
Storage temperature (T-T)-40 - 85 °C
Operating relative humidity (H-H)5 - 95%
Weight & dimensions
Package depth120 mm
Package width90 mm
Package height30 mm
Width18.4 mm
Depth72 mm
Height8.5 mm
Weight40 g
Package weight60 g
Certificates
CertificationCE, FCC, UL
RoHS complianceYes
Packaging content
Number of products included1 pc(s)

    1. Non-Returnable Items: Once an order is processed, products that do not fall under 3D memory categories are considered final sale. These items cannot be cancelled or returned, so we strongly recommend confirming specifications prior to purchase.

    2. Restocking Policy: In specific cases, a restocking fee of up to 25% may be applied. This depends on the product category and condition. Our team will always advise you in advance where applicable.

    3. Product Condition: Unless clearly stated as brand-new retail stock, all products are supplied in professionally refurbished condition. Each item is thoroughly tested to ensure reliable performance and quality assurance.

    4. Fast Dispatch & Availability: We aim to dispatch most orders within 24 hours, subject to stock availability. If you require urgent or same-day shipping, please contact our customer support team at (207) 993-8331 directly for expedited handling.

    5. Part Number Compatibility: Leading manufacturers such as Dell, HP, IBM, and Compaq may assign multiple identifiers to the same product, including Spare Part Numbers (Spare P/N) or FRU (Field Replaceable Unit) numbers. The item you receive may carry either designation, both of which are fully compatible and functionally equivalent.

    6. Warranty Coverage: All products include a 30-day limited warranty, covering replacement in the event of DOA (Dead on Arrival) items with the same part number. Selected storage devices may qualify for an extended 90-day warranty—please confirm with our team before purchase. Additionally, manufacturer warranty options may intact for new product if any. 

    7. Drivers & Installation Media: As most products are supplied in bulk packaging, installation media such as CDs, drivers, or manuals may not be included. If required, please check availability with our sales team prior to ordering.

    8. Shipping Information: Standard shipping rates are automatically calculated for lightweight IT components such as memory and storage devices (under 5 lbs). For larger or heavier equipment—including servers, racks, and motherboards—shipping costs may vary. Our team will notify you if any adjustments are required. 

    9. Product Images Disclaimer: All images displayed are for reference purposes only. The actual product received may differ slightly in appearance while maintaining the same specifications and performance.

    10. Packaging Details: Some items may be delivered in bulk or non-retail packaging, especially for high-volume or consolidated orders. This ensures cost efficiency without compromising product quality.

    11. End-of-Life (EOL) Products: For discontinued or end-of-life products, we may supply an equivalent replacement with matching specifications, functionality, and compatible FRU where necessary.

    12. Refurbished Printers: Please note that refurbished printers may not include toner cartridges, or may be supplied with partially used consumables.

    13. Need Assistance? If you have any questions regarding product specifications, compatibility, warranty, or shipping, our team is here to help. Contact us at support@itnetworkstrade.co.uk or call us at (207) 993-8331 directly before placing your order to ensure a smooth purchasing experience.

    No reviews to show!

    GENERAL FAQs