# StarTech.com Dell EMC 3CSFP91 Compatible QSFP+ Module - 40GBASE-ER4 - 40GE Gigabit Ethernet QSFP+ Single Mode Fiber (SMF) - 40 km DDM

**Manufacturer:** STARTECH.COM  
**MPN:** `QSFP40GER4ES`

## Specifications

| Attribute | Value |
| --- | --- |
| Brand name | STARTECH.COM |
| Manufacturer name | STARTECH.COM |
| Manufacturer | STARTECH.COM |
| Extra Product Name | StarTech.com Dell EMC 3CSFP91 Compatible QSFP+ Module - 40GBASE-ER4 - 40GE Gigabit Ethernet QSFP+ Single Mode Fiber (SMF) - 40 km DDM |
| Weight | 1 |
| WeightUnit | lbs |
| countryOfOrigin | China |
| moq | 1 |
| MPN | QSFP40GER4ES |
| multiple | 1 |
| qtyInStock | -2 |
| SKU | 6YN037 |
| tierMinQty1 | 1 |
| tierPrice1 | 2453.24 |
| Manufacturer Part Number | QSFP40GER4ES |
| Manufacturer Website Address | http://www.startech.com |
| Brand Name | StarTech.com |
| Product Name | Dell EMC QSFP-40G-ER4 Compatible QSFP+ Transceiver Module - 40GBase-ER4Q |
| Packaged Quantity | 1 |
| Product Type | QSFP+ |
| Application/Usage | Optical Network, Data Networking |
| Total Number of Ports | 1 |
| Connector Type | LC |
| Interfaces/Ports Details | 1 x LC Duplex 40GBase-ER4 Network |
| Media Type Supported | Optical Fiber |
| Fiber Mode Supported | Single-mode |
| Ethernet Technology | 40 Gigabit Ethernet |
| Network Technology | 40GBase-ER4 |
| Form Factor | Hot-swappable |
| Compatibility | MSA Compliant |
| Environmentally Friendly | Yes |
| Environmental Certification | REACH, RoHS, WEEE |
| Country of Origin | China |
| Limited Warranty | Lifetime |

## Distributor availability

| Distributor | SKU | Price (USD) | Qty | Stock | MOQ |
| --- | --- | --- | --- | --- | --- |
| PCNation | 6YN037 | 2453.24 | 1 | None | 1 |
| Allied Electronics | 72014616 |  |  | None | 1 |
| Grand and Toy | QSFP40GER4ES |  |  | None | 1 |
| Zoro | G2974574 | 3493.14 | 1 | None | 1 |
| Consutronix | 6YN037 | 2645.15 | 1 | None | 1 |
| unbeatablesale.com | DAHD110741 | 3004.84 | 1 | None | 1 |
| barcodesinc.com | QSFP40GER4ES | 2840.99 | 1 | None | 1 |
| homeessentialsdirect.com | QSFP40GER4ES | 2718.83 | 1 | None | 1 |
| us.rs-online.com | 72014616 | 3872.71 | 1 | None | 1 |
| Office Crave | STCQSFP40GER4ES | 2577.01 | 1 | None | 1 |

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Structured data: `/python/html6/product/500/207000000/207220000/part_--QSFP40GER4ES---STARTECHCOM--b6ed67ce2b.json`  
Search API: https://www.dataalchemy.com/api/  
MCP server: https://www.dataalchemy.com/mcp