# StarTech Extreme Networks Compatible 40GbE QSFP+ Multimode Fiber Transceiver | Lifetime Warranty | 10319-ST

# **StarTech Extreme Networks Compatible 40GbE QSFP+ Multimode Fiber Transceiver | Lifetime Warranty | 10319-ST**

## **Product Description**

The **StarTech 10319-ST QSFP+ Fiber Transceiver** is designed for compatible Extreme Networks switches and routers, providing reliable **40Gbps Ethernet connectivity** over multimode fiber-optic cabling. Supporting the **40GBASE-SR4 standard**, it operates at an **850nm wavelength** and uses an **MPO connector** to deliver transmission distances up to **150 metres (492 feet)**.

This hot-swappable optical transceiver supports **Digital Diagnostics Monitoring (DDM)**, helping network administrators monitor module status through compatible networking equipment. Its high-speed connectivity makes it suitable for enterprise networks, data centres, and business infrastructure requiring reliable 40GbE fiber links.

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## **About StarTech 10319-ST**

The **StarTech 10319-ST** is a 40GbE QSFP+ optical transceiver engineered for compatible Extreme Networks networking equipment. It supports high-speed data transmission over multimode fiber and is designed for network expansion, equipment replacement, and data-centre connectivity.

With **40Gbps throughput, 850nm optics, and a maximum range of 150 metres**, this transceiver is suitable for compatible short-range fiber links in enterprise and professional IT environments. It is backed by a **lifetime warranty and free lifetime multilingual technical support** from StarTech.com.

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## **Key Features**

-   **Brand:** StarTech
    
-   **Model / Part Number:** 10319-ST
    
-   **Product Type:** 40GbE QSFP+ multimode fiber transceiver
    
-   **Compatible Brand:** Extreme Networks
    
-   **Ethernet Standard:** 40GBASE-SR4
    
-   **Data Transfer Rate:** 40Gbps
    
-   **Fiber Type:** Multimode fiber (MMF)
    
-   **Connector:** MPO
    
-   **Wavelength:** 850nm
    
-   **Maximum Transmission Distance:** 150 metres (492 feet)
    
-   **Digital Diagnostics Monitoring (DDM):** Supported
    
-   **Hot-Swappable:** Yes
    
-   **Power Consumption:** Low-power design
    
-   **Warranty:** Lifetime
    

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## **Ideal Use Cases**

-   **Data Centres:** Connect compatible high-speed network equipment using 40GbE multimode fiber.
    
-   **Enterprise Networking:** Add 40GbE optical connectivity to compatible switches and routers.
    
-   **Network Upgrades:** Replace or upgrade compatible Extreme Networks QSFP+ transceivers.
    
-   **High-Speed Infrastructure:** Support bandwidth-intensive networking environments.
    
-   **Fiber Network Expansion:** Establish compatible 40GbE links over multimode fiber cabling.
    

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## **Why Buy from Suntronix?**

Suntronix offers technology products and connectivity solutions for business, professional, and personal requirements. Customers can contact Suntronix for **product availability, pricing, specifications, and purchasing assistance**. Suntronix serves customers across **Chennai, Tamil Nadu, and India**, helping businesses source networking products for their IT infrastructure requirements.

## Details

- **Price:** 8272.0 INR
- **Vendor:** StarTech
- **Type:** STARTECH ACCESSORY

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 8272.00 INR | In stock |

## Images

- StarTech 10319-ST 40GbE QSFP+ multimode fiber transceiver front view (main)
- StarTech 10319-ST QSFP+ transceiver side angle (view b)
- StarTech 10319-ST QSFP+ module connector detail (view c)
- StarTech 10319-ST QSFP+ transceiver rear label and ports (view d)

## Additional Information

- **Type:** SFP Transceivers

### FAQ 1

**Q: What is the StarTech 10319-ST transceiver?**

**A:** The StarTech 10319-ST is an Extreme Networks-compatible 40GbE QSFP+ optical transceiver designed for compatible multimode fiber networking.

### FAQ 2

**Q: What is the maximum speed supported by the 10319-ST?**

**A:** It supports data transfer rates up to 40Gbps using the 40GBASE-SR4 standard.

### FAQ 3

**Q: Which fiber type and connector does it use?**

**A:** It uses multimode fiber (MMF), an MPO connector, and an 850nm wavelength.

### FAQ 4

**Q: What is the maximum transmission distance?**

**A:** It supports distances up to 150 metres (492 feet) over compatible multimode fiber cabling.

### FAQ 5

**Q: Where can I buy the StarTech 10319-ST in Chennai?**

**A:** Contact **Suntronix in Chennai, Tamil Nadu, India**, for product availability, pricing, and purchasing assistance.

### Warranty

**Warranty Coverage**

Lifetime warranty, subject to the manufacturer's warranty terms.

**Technical Support**

Free lifetime multilingual technical support from StarTech.com.

### SPECIFICATION

#### **Product Information**

**Brand**

StarTech

**Model Number / Part Number**

10319-ST

**Product Type**

40GBASE-SR4 QSFP+ fiber transceiver

**Compatible Brand**

Extreme Networks

#### **Networking Specifications**

**Data Transfer Rate**

40Gbps

**Ethernet Standard**

40GBASE-SR4

**Fiber Type**

Multimode fiber (MMF)

**Connector**

MPO

**Wavelength**

850nm

**Maximum Transmission Distance**

150 metres (492 feet)

**Digital Diagnostics Monitoring (DDM)**

Yes

**MTBF**

244,610,583 hours

#### **Package Information**

**Package Quantity**

1

**Included Item**

1 × QSFP+ transceiver

### Compatibility

The StarTech 10319-ST is designed and tested for compatibility with **Extreme Networks equipment supporting the 10319 QSFP+ transceiver**.

Before purchasing, verify that your switch or router supports the module, uses a compatible QSFP+ interface, and supports the **40GBASE-SR4 standard**.

**Fiber Requirements**

Use compatible multimode fiber cabling with the required MPO connector and optical specifications. Confirm the cabling type and link distance against the requirements of your networking equipment.

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> Source: [Suntronix](https://suntronix.net/products/startech-10319-st-extreme-networks-40gbe-qsfp-plus-fiber-transceiver)
> Updated: 2026-10-21