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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 an optical wavelength of 850nm and a range of 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 configured and fully tested to ensure it works seamlessly with Cisco or other major brands of networking equipment.
You can be assured that the use of StarTech.com QSFP+ products should not affect the warranty protection of your networking equipment.
Convenient and scalable
Delivering both convenience and scalability, this fiber QSFP+ transceiver is fully hot-pluggable, which enables you to install it without interrupting network traffic or having to reboot your equipment. It provides a versatile and cost-effective solution that?s compatible with a range of 40 Gigabit networking devices.
Ideal for use in Cisco switches, routers and other networking equipment, the QSFP+ optical transceiver provides reliable performance, allowing you to expand your network to remote segments cost-effectively. The MM fiber transceiver module supports Digital Diagnostics Monitoring (DDM / DOM), a maximum distance of up to 150 m (492 ft.), and maximum data rates of up to 40Gbps.
You can count on QSFP40GSR4ST for reliable performance, backed by a lifetime warranty and free lifetime technical support.
| Connector(s) | |
| Local Unit Connectors | MPO Female |
| Environmental | |
| Humidity | 5~95% RH |
| Operating Temperature | 0?C to 70?C (32?F to 158?F) |
| Storage Temperature | -40?C to 85?C (-40?F to 185?F) |
| Hardware | |
| Industry Standards | IEEE 802.3ba 40GBASE-SR4 |
| Packaging Information | |
| Shipping (Package) Weight | 60 g [2.1 oz] |
| Performance | |
| DDM | Yes |
| Fiber Operating Mode | Full-Duplex |
| Fiber Type | Multi Mode |
| Max Transfer Distance | 150 m (492 ft) |
| Maximum Data Transfer Rate | 40 Gbps |
| MTBF | 1,649,326 hours |
| Wavelength | 850nm |
| Physical Characteristics | |
| Color | Silver |
| Enclosure Type | Aluminum |
| Product Height | 8.5 mm [0.3 in] |
| Product Length | 72 mm [2.8 in] |
| Product Weight | 40 g [1.4 oz] |
| Product Width | 18.4 mm [0.7 in] |
| Special Notes / Requirements | |
| Note | For use in 40 Gigabit fiber networking equipment and media converters |
| System and Cable Requirements | MSA or Cisco compliant QSFP port |
| What's in the Box | |
| Included in Package | QSFP+ transceiver |
| Performance | |
| SFP transceiver type | Fiber optic |
| Maximum data transfer rate The maximum speed with which data can be transmitted from one device to another. | 40000 Mbit/s |
| Interface type | QSFP+ |
| Multi-mode fiber (MMF) supported |
 |
| Fiber optic connector This terminates the end of an optical fiber, and enables quicker connection and disconnection than splicing. The connectors mechanically couple and align the cores of fibers so light can pass. Better connectors lose very little light due to reflection or misalignment of the fibers. In all there have been about 100 types of optic fiber connectors produced. | MPO |
| SFP transceiver standard | SR4 |
| Maximum transfer distance The greatest distance over which the data/signal can be transferred. | 150 m |
| Wavelength The distance over which a wave repeats itself. The wavelength determines the characteristics of the wave e.g. red light has a different wavelength to blue light. | 850 nm |
| Networking standards The way in which the network is working, e.g. IEEE 802.11a, IEEE 802.11b, IEEE 802.11g. | IEEE 802.3ba |
| Duplex system A duplex communication system is a point-to-point system composed of two connected parties or devices that can communicate with one another in both directions, simultaneously. | Full |
| Digital Diagnostics Monitoring (DDM) |
|
| Features | |
| Product colour The colour e.g. red, blue, green, black, white. | Silver |
| Housing material What the casing of the product is made of. | Aluminum |
| Hot-swap |
|
| Mean time between failures (MTBF) Statistical model used to indicate product/mechanism reliability; expressed in hours and percentage of duty cycle. This number (in hours) does not indicate the mean time before failure for a single unit/mechanism. | 1649326 h |
| RoHS compliance The Restriction of Hazardous Substances (RoHS) Directive aims to restrict certain dangerous substances commonly used in electrical and electronic equipment. Any RoHS compliant product is tested for the presence of Lead (Pb), Cadmium (Cd), Mercury (Hg), Hexavalent chromium (Hex-Cr), Polybrominated biphenyls (PBB), and Polybrominated diphenyl ethers (PBDE). PBB and PBDE are flame retardants used in several plastics. For Cadmium and Hexavalent chromium, there must be less than 0.01% of the substance by weight at raw homogeneous materials level. For Lead, PBB, and PBDE, there must be no more than 0.1% of the material, when calculated by weight at raw homogeneous materials. Any RoHS compliant component must have 100 ppm or less of mercury and the mercury must not have been intentionally added to the component. In the EU, some military and medical equipment are exempt from RoHS compliance. |
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| Country of origin Country where the device is made. | China |
| Certification | CE, FCC, UR |
| Power | |
| Power consumption (typical) Amount of power consumed by this model, often expressed in watts (W). Typical values that manufacturers give are power consumption when off, standby/suspended mode, typical use, maximum usage. | 0.7 W |
| Operational conditions | |
| Operating temperature (T-T) The minimum and maximum temperatures at which the product can be safely operated. | 0 - 70 °C |
| Storage temperature (T-T) The minimum and maximum temperatures at which the product can be safely stored. | -40 - 85 °C |
| Operating relative humidity (H-H) | 5 - 95% |
| Weight & dimensions | |
| Width The measurement or extent of something from side to side. | 18.4 mm |
| Depth The distance from the front to the back of something. | 72 mm |
| Height The measurement of the product from head to foot or from base to top. | 13 mm |
| Weight Weight of the product without packaging (net weight). If possible, the net weight is given including standard accessories and supplies. Please note that sometimes the manufacturer leaves out the weight of accessories and/or supplies. | 32 g |
| Packaging data | |
| Number of products included The number of products that are included in the package. | 1 pc(s) |
| Package width The distance from one side of the packaging to the other. | 92 mm |
| Package depth The distance from the front to the back of the packaging. | 117 mm |
| Package height The distance from the top to the bottom of the packaging. | 34 mm |
| Package weight Weight of the packaged product. | 95 g |
| SKU | 244405 |
| MPN | QSFP40GSR4ST |
| Brand | Startech |
| Product Condition | Brand New/Unused |