# Cisco 40GBASE-SR4 QSFP Module for MMF

**Manufacturer:** CISCO  
**MPN:** `QSFP-40G-SR4-RF`

## Specifications

| Attribute | Value |
| --- | --- |
| Brand name | CISCO |
| Manufacturer name | CISCO |
| Manufacturer | CISCO |
| Extra Product Name | Cisco 40GBASE-SR4 QSFP Module for MMF |
| Weight | 2 |
| WeightUnit | lbs |
| moq | 1 |
| MPN | QSFP-40G-SR4-RF |
| multiple | 1 |
| qtyInStock | In Stock |
| SKU | XK4619 |
| tierMinQty1 | 1 |
| tierPrice1 | 947.91 |
| Manufacturer Part Number | QSFP-40G-SR4-RF |
| Manufacturer Website Address | http://www.cisco.com |
| Brand Name | Cisco |
| Product Name | 40GBASE-SR4 QSFP Module for MMF |
| Product Condition | Refurbished |
| Product Type | QSFP |
| Application/Usage | Data Networking, Optical Network |
| Interfaces/Ports Details | 1 x MPO/MTP 40GBase-SR4 Network |
| Media Type Supported | Optical Fiber |
| Fiber Optic Cable Standard | 50 µm |
| Fiber Mode Supported | Multi-mode |
| Ethernet Technology | 40 Gigabit Ethernet |
| Network Technology | 40GBase-SR4 |
| Maximum Data Transfer Rate | 40 |
| Form Factor | Hot-swappable |
| Height | 0.5 |
| Width | 0.7 |
| Depth | 2.9 |
| Compatibility | MSA Compliant |
| Environmentally Friendly | Yes |
| Environmental Certification | RoHS-6 |

## Distributor availability

| Distributor | SKU | Price (USD) | Qty | Stock | MOQ |
| --- | --- | --- | --- | --- | --- |
| PCNation | XK4619 | 947.91 | 1 | None | 1 |
| Grand and Toy | QSFP-40G-SR4-RF |  |  | None | 1 |
| barcodegiant.com | CIS641783 | 1882.28 | 1 | None | 1 |
| barcodesinc.com | QSFP-40G-SR4-RF | 1936.09 | 1 | None | 1 |
| CDW | 5356327 | 1535.99 | 1 | None | 1 |
| transceiversdirect.com | QSFP-40G-SR4-RF | 845.2 | 1 | None | 1 |

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Structured data: `/python/html6/product/500/263000000/263032500/part_--QSFP40GSR4RF---CISCO--458e75bdd4.json`  
Search API: https://www.dataalchemy.com/api/  
MCP server: https://www.dataalchemy.com/mcp