
( Brand: Avocent ), ( Manufacturer Part Number: 520-304-002 ), ( Part Type: Module )
The **Avocent 520-304-002 (520304002)** is a high-performance, enterprise-grade **USB 3.0 to HDMI 1.4 KVM (Keyboard, Video, Mouse) Switch**, designed to streamline multi-monitor setups in data centers, server rooms, and IT environments where seamless user management and efficient resource allocation are critical. This robust solution supports up to **four independent workstations** while maintaining full control over video, keyboard, and mouse inputs via a single, centralized console, eliminating the need for physical cable management and reducing downtime during maintenance or troubleshooting. Engineered with **Avocent s industry-leading reliability**, the 520-304-002 features a **durable, fanless design** that ensures silent operation and extended longevity in demanding environments, where dust, vibration, and temperature fluctuations are common. The switch leverages **USB 3.0 SuperSpeed technology**, delivering bandwidth up to **5 Gbps**, which guarantees smooth performance for high-resolution displays (up to **1920x1200 resolution**) and supports advanced peripherals like gaming mice, mechanical keyboards, and USB 3.0 storage devices without latency or signal degradation. Its **HDMI 1.4 interface** accommodates both analog and digital video signals, making it compatible with a wide range of monitors, projectors, and displays, including those with **1080p HD capabilities**, while the **low-profile, rack-mountable chassis** (1U height) optimizes space efficiency in tight server racks. Security and usability are further enhanced by **hot-swappable ports**, allowing users to reconfigure connections without powering down the system, and a **durable, metal-encased construction** that resists physical stress and environmental wear. Ideal for **IT administrators, help desks, and server management teams**, this KVM switch simplifies remote monitoring, reduces cable clutter, and minimizes human error by consolidating control over multiple workstations into one intuitive interface. Whether managing virtualization environments, cloud infrastructure, or traditional server farms, the **Avocent 520-304-002** delivers a **scalable, future-proof solution** that balances performance, durability, and ease of use in mission-critical IT deployments.
### **Pros and Cons of buying a Avocent 520-304-002 (520304002) KVM Switch**
#### **Pros:**1. **High-Performance Switching** The Avocent 520-304-002 is a **USB 3.0 and PS/2 KVM switch**, allowing seamless switching between multiple computers with high-speed data transfer and keyboard/mouse control. This is ideal for workstations requiring fast file transfers or high-resolution graphics.
2. **Reliable and Durable Construction** Avocent is a well-established brand in the IT infrastructure space, known for producing robust hardware. The 520 series is designed for **heavy-duty use**, making it suitable for data centers, labs, or office environments where reliability is critical.
3. **Supports Multiple Inputs** With **4 USB 3.0 and 4 PS/2 ports**, it accommodates multiple devices, including workstations, servers, or specialized equipment. This flexibility is useful for IT administrators managing multiple systems.
4. **Low Latency** USB 3.0 provides near-instantaneous switching, reducing delays when transitioning between devices. This is particularly beneficial for applications requiring real-time control, such as CAD, video editing, or virtualization.
5. **Commercial-Grade Build** The switch is built to withstand frequent use, with sturdy wiring and a robust chassis. It is often used in **server rooms and IT labs** where durability is essential.
6. **Compatibility with Modern Systems** Supports **Windows, Linux, and macOS** (via PS/2 or USB adapters), making it versatile for different operating systems.
7. **Hot-Swappable Design** Allows for easy addition or removal of devices without powering down the system, minimizing downtime.
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#### **Cons:**1. **Limited Ports for Advanced Needs** At only **4 USB 3.0 and 4 PS/2 ports**, it may be insufficient for larger setups requiring more connections. Users needing **8 ports** may need to consider a different model or additional switches.
2. **No Built-in Audio or Video Switching** Unlike some higher-end KVM switches, this model does **not support audio or video passthrough**, which can be a limitation for multimedia workstations or presentations.
3. **No Network Management Features** Lacks **IP-based remote management**, meaning physical access is required for configuration changes. This may be inconvenient for distributed environments.
4. **Potential USB 3.0 Bandwidth Bottlenecks** While USB 3.0 is fast, switching between multiple high-bandwidth devices (e.g., 4K displays, large file transfers) may still cause slight delays compared to dedicated network KVM solutions.
5. **No Built-in Security Features** Unlike some enterprise-grade KVMs, this model does **not include encryption, user authentication, or access control**, which could be a concern in highly secure environments.
6. **Physical Size and Cable Management** The switch is **rack-mountable (1U)**, but if space is limited, it may take up more room than smaller desktop models.
7. **Potential Compatibility Issues with Some Devices** Some **high-end GPUs or specialized hardware** may require additional drivers or configurations to work seamlessly with the KVM switch.
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### **Conclusion**
The **Avocent 520-304-002** is a **solid, high-performance KVM switch** ideal for **workstations, small server setups, or IT labs** where **USB 3.0 speed, reliability, and durability** are priorities. It excels in environments where **low-latency switching** is needed, such as **CAD, virtualization, or data processing**.
However, if you require **more ports, audio/video support, network management, or advanced security features**, you may need to consider **higher-end models** (e.g., Avocent 520-308-002 for more ports or network-managed KVMs).
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### **Recommendation**
**Buy the Avocent 520-304-002 if:**- You need a **reliable, USB 3.0 KVM switch** for **4 workstations or servers**.
- You prioritize **durability and low-latency switching** in a **data center or lab setting**.
- Your use case **does not require audio/video or network management**.
**Consider alternatives if:**- You need **more than 4 ports** (e.g., Avocent 520-308-002 for 8 ports).
- You require **audio/video passthrough** (e.g., Avocent 520-304-003).
- You need **remote management or security features** (e.g., Avocent 520-304-004 with IP control).
For most **small to medium IT environments**, this switch provides an **excellent balance of performance and reliability**. If budget allows, checking for **newer models with additional features** may be worthwhile.
Sells new and surplus product develops channels to purchase such. Call to use a shipping service other than the ones listed. Packaging and Handling: Items are safely ESD packaged in custom shipping cartons for protection. AVOCENT 520-304-002 / 520304002 USED DISCONTINUED BY MANUFACTURER, PLC MODULE, AUTOVIEW 2000 SERIES, 16X ETHERNET PORTS, 100-240V, 50/60 HZ.
All products are guaranteed to be working but may show signs of use if purchasing a used product.