Certainly! Let's present the information in a structured framework as requested:

## Cisco SKU and Description: C9300-NM-4M
- **Type**: Network module designed for Cisco Catalyst 9300 series switches.
- **Features**: Supports up to four 10 Gigabit Ethernet mGig ports. Compatible with Wi-Fi 6 and 802.11ac Wave 2 access points.
- **Technology**: Based on Cisco UADP 2.0 ASIC, featuring programmable pipeline and micro-engine capabilities for advanced network configurations.
- **Capabilities**: Offers USB 2.0 slot for loading system images and configurations, supports dense uplink offerings with various speed options including 100G, 40G, and 25G【9†source】.

## FS (Fiberstore) and Manufacture Description
- **Product Range**: Offers a wide variety of network modules compatible with Cisco and other major brands' equipment, particularly known for SFP and SFP+ modules.
- **Quality and Certification**: FS modules are MSA (Multi-Source Agreement) compliant ensuring interoperability with different network equipment.
- **Customer Support**: Provides extensive technical support and warranty, ensuring that customers receive assistance for configuration and troubleshooting issues.

## FluxLight and Manufacture Description
- **Specialization**: Known for producing high-quality fiber optic transceivers and network modules compatible with a variety of brands including Cisco.
- **Compliance and Reliability**: Ensures that all modules are 100% compliant with the original manufacturer's specifications and undergo rigorous testing to guarantee performance.
- **Customer Service**: Offers a lifetime warranty on products and provides dedicated technical support to assist with any installation or operational queries.

## AddOn Networks and Manufacture Description
- **Compatibility**: Specializes in network upgrades and connectivity solutions, providing a broad range of compatible modules for Cisco systems.
- **Quality Assurance**: All products are tested in network environments, which simulates real-world conditions to verify performance and durability.
- **Support and Warranty**: Offers a comprehensive warranty and support services, highlighting their commitment to customer satisfaction and product reliability.

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Here are the summaries for the specified Cisco SKUs based on the details available:

### C9300X-NM-8Y-M
- **Description**: 8-port 25G/10G/1G SFP28 Uplink module.
- **Compatibility**: Designed for use with Cisco Catalyst 9300X series switches, enhancing their network bandwidth capabilities for high-performance applications.
- **Features**: Provides high-density uplink capabilities with multiple speed options to accommodate diverse network requirements.

### C9300X-NM-2C-M
- **Description**: 2-port 100G/40G QSFP28 Uplink module.
- **Compatibility**: Suitable for Cisco Catalyst 9300X series switches, primarily used in environments requiring high bandwidth such as data centers or large enterprise networks.
- **Features**: Offers extremely high-speed data transmission capabilities, supporting modern data-heavy applications and cloud services.

### C9300-NM-2Y-M
- **Description**: 2-port 25G/10G/1G SFP28 Uplink module.
- **Compatibility**: Can be used with Cisco Catalyst 9300 series switches, providing flexibility in speed and connectivity for various organizational needs.
- **Features**: Versatile uplink speeds support a range of applications from high-speed data center operations to more standard enterprise deployments.

### C9300-NM-2Q-M
- **Description**: 2-port 40G QSFP+ Uplink module.
- **Compatibility**: Compatible with Cisco Catalyst 9300 series switches, this module is aimed at environments that need higher throughput and bandwidth.
- **Features**: Ideal for scenarios requiring high-speed connectivity and significant data transfer rates, such as video streaming services or large-scale databases.

### C9300-NM-8X-M
- **Description**: 8-port 1/10G SFP+ Uplink module.
- **Compatibility**: Designed for Cisco Catalyst 9300 series switches, this module enhances the connectivity options available for a variety of network setups.
- **Features**: Provides a substantial increase in network uplink capabilities with support for both 1G and 10G speeds, making it suitable for a wide range of applications.

These modules offer a range of functionalities tailored to different networking needs, from standard enterprise use to high-demand data center environments.