# Approved QSFP-40G-CSR4 - 40GBase QSFP SR4, 300 meters , 850 nm QSFP+ transceiver. 100% Cisco compatible.

**Manufacturer:** Approved Optics  
**MPN:** `QSFP-40G-CSR4`

## Specifications

| Attribute | Value |
| --- | --- |
| Brand name | Approved Optics |
| Manufacturer name | Approved Optics |
| Manufacturer | Approved Optics |

## Distributor availability

| Distributor | SKU | Price (USD) | Qty | Stock | MOQ |
| --- | --- | --- | --- | --- | --- |
| Approved Optics | QSFP-40G-CSR4-A | 750.0 | 1 | None | 1 |

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Structured data: `/python/html6/product/500/228500000/228599000/part_--QSFP40GCSR4---ApprovedOptics--cf56eabf8a.json`  
Search API: https://www.dataalchemy.com/api/  
MCP server: https://www.dataalchemy.com/mcp