# StarTech.com Cisco QSFP-40G-CSR4 Compatible QSFP+ Module - 40GBASE-SR4 - 40GE Gigabit Ethernet 40GbE Multimode Fiber MMF Optic Transceiver

**Manufacturer:** STARTECH.COM  
**MPN:** `QSFP-40G-CSR4-ST`

## Specifications

| Attribute | Value |
| --- | --- |
| Brand name | STARTECH.COM |
| Manufacturer name | STARTECH.COM |
| Manufacturer | STARTECH.COM |
| Extra Product Name | StarTech.com Cisco QSFP-40G-CSR4 Compatible QSFP+ Module - 40GBASE-SR4 - 40GE Gigabit Ethernet 40GbE Multimode Fiber MMF Optic Transceiver |
| Weight | 1 |
| WeightUnit | lbs |
| countryOfOrigin | China |
| moq | 1 |
| MPN | QSFP-40G-CSR4-ST |
| multiple | 1 |
| qtyInStock | In Stock |
| SKU | 7AG221 |
| tierMinQty1 | 1 |
| tierPrice1 | 237.53 |
| Manufacturer Part Number | QSFP-40G-CSR4-ST |
| Manufacturer Website Address | http://www.startech.com |
| Brand Name | StarTech.com |
| Product Name | Cisco QSFP-40G-CSR4 Compatible QSFP+ Transceiver Module - 40GBase-SR4 |
| Packaged Quantity | 1 |
| Product Type | QSFP+ |
| Application/Usage | Optical Network, Data Networking |
| Total Number of Ports | 1 |
| Connector Type | MPO |
| Interfaces/Ports Details | 1 x MPO 40GBase-SR4 Network |
| Media Type Supported | Optical Fiber |
| Fiber Mode Supported | Multi-mode |
| Ethernet Technology | 40 Gigabit Ethernet |
| Network Technology | 40GBase-SR4 |
| 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 | 7AG221 | 237.53 | 1 | None | 1 |
| Zoro | G5495814 | 264.5 | 1 | None | 1 |
| Allied Electronics | 72014962 |  |  | None | 1 |
| Grand and Toy | QSFP-40G-CSR4-ST |  |  | None | 1 |
| Consutronix | 7AG221 | 189.11 | 1 | None | 1 |
| unbeatablesale.com | SYBA165785 | 257.09 | 1 | None | 1 |
| barcodesinc.com | QSFP-40G-CSR4-ST | 310.96 | 1 | None | 1 |
| homeessentialsdirect.com | QSFP-40G-CSR4-ST | 204.71 | 1 | None | 1 |
| us.rs-online.com | 72014962 | 362.53 | 1 | 2 | 1 |

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Structured data: `/python/html6/product/500/141000000/141361000/part_--QSFP40GCSR4ST---STARTECHCOM--9381004cd2.json`  
Search API: https://www.dataalchemy.com/api/  
MCP server: https://www.dataalchemy.com/mcp