| Application/Usage | Optical Network, Data Networking, Optical Network, Data Networking |
| Brand | StarTech, - |
| Brand Name, Manufacturer | StarTech.com |
| Compatibility | MSA Compliant |
| Connector Type | MPO |
| Country of Origin | China, ?China |
| Country of Origin (subject to change) | Unknown |
| Data Rate | 40 Gbps |
| Date First Available | October 11, 2019 |
| Environmental Certification | REACH, RoHS, WEEE, REACH, WEEE, RoHS |
| Environmentally Friendly | Yes |
| Ethernet Technology | 40 Gigabit Ethernet |
| Fiber Mode Supported | Multi-mode |
| Form Factor | Hot-swappable |
| GTIN Item, UPC Code, UPC Retail | 065030884242 |
| Height, Length | 6.00 |
| Includes | QSFP+ Transceiver |
| Information | Device Type: Transceiver |
| Interfaces/Ports Details | 1 x MPO Duplex 40GBase-SR4 Network |
| Is Discontinued By Manufacturer | No |
| Item Dimensions LxWxH, Item Dimensions LxWxH, Product Dimensions | 0.55 x 2.3 x 0.5 inches |
| Item model number, Manufacturer Part Number, Manufacturer Stock No., Model# | QSFP40GESR4E |
| Item Weight, Weight | 0.13 |
| Limited Warranty, Warranty | Lifetime |
| Manufacturer Website Address | http://www.startech.com |
| Media Type Supported | Optical Fiber |
| MPN | STCQSFP40GESR4E |
| Network Technology | 40GBase-SR4 |
| Packaged Quantity, Total Number of Ports | 1 |
| Product Name, Series | Dell EMC QSFP-40G-ESR4 Compatible QSFP+ Transceiver Module - 40GBase-SR4 |
| Product Type | QSFP+ |
| Product with faster shipping | true |
| Shipping | undefined (Fixed Shipping Cost), Calculated at Checkout |
| Ships via UPS | Y |
| Specification met | Reach, Weee, Rohs |
| Standards | IEEE 802.3ba 40GBASE-SR4 |
| Transmission Distance | 400 m |
| Type | Multi Mode |
| UNSPSC Code | 2 |
| Width | 8.50 |