KINNEX DELL BROADCOM KS0488HV81 Netxtreme Quad Port Ethernet 5719 1GBPS Card

( Brand: Kinnex Dell Broadcom ), ( Manufacturer Part Number: KS0488HV81 ), ( Model: 4-PORT ), ( Part Type: Card ), ( Intended Use/discipline: Biological Laboratory, Dental Laboratory, Medical Laboratory, Microbiological Laboratory, Physical Laboratory ), ( Country Of Origin: China ), ( Unit Type: Unit ), ( Material: Metal, Plastic ), ( Additional Search Terms: Surplus Laboratory Bench Supplies Consumables )

Review KINNEX DELL BROADCOM Used a Netxtreme Quad port 1gbps Ethernet Card

The **KINNEX Dell Broadcom KS0488HV81 (KINNEX-A) NetXtreme 5719 Quad-Port 1Gbps Ethernet Card** is a high-performance, enterprise-grade network expansion solution designed to deliver seamless, high-speed connectivity for data-intensive workloads in servers and workstations. Built on Broadcom s proven **NetXtreme 5719** chipset, this quad-port PCIe x4 Ethernet adapter leverages advanced **TCP/IP offload engine (TOE)** and **Jumbo Frame support** to significantly enhance network efficiency, reducing CPU overhead and improving overall system responsiveness. With four **10/100/1000 Mbps** RJ-45 ports, it provides a robust, scalable solution for environments requiring multiple high-speed connections, such as virtualization platforms, NAS setups, or high-bandwidth data transfer applications. The card s **low-latency design** ensures minimal packet loss and optimal throughput, making it ideal for demanding tasks like video streaming, database operations, or clustered computing. Additionally, its **PCIe 2.0 x4 interface** guarantees reliable data transfer speeds, while the **Broadcom TruFlow technology** optimizes bandwidth allocation, preventing congestion and ensuring consistent performance even under heavy loads. Whether deployed in a home lab, small business server, or enterprise infrastructure, this adapter offers a cost-effective yet high-performance alternative to traditional network adapters, delivering enterprise-level reliability with ease of installation. Its compatibility with a wide range of operating systems, including Windows Server, Linux, and various virtualization environments, further solidifies its versatility as a dependable networking upgrade for modern computing needs.

### **Pros and Cons of the Kinnex (Dell/Broadcom) KS0488HV81 (NetXtreme 5719) Quad-Port 1Gbps Ethernet Card**

1. **High Performance and Reliability** The Broadcom NetXtreme 5719 chipset is a well-regarded enterprise-grade solution, offering stable 1Gbps performance with low latency. It is designed for data centers and high-traffic environments, ensuring consistent throughput.

2. **Quad-Port Design** Provides four independent 1Gbps Ethernet ports, making it ideal for servers requiring multiple network connections (e.g., failover, load balancing, or additional NICs for VMs).

3. **Enterprise-Grade Build** The card is built to industrial standards, with robust components that can handle sustained high loads without overheating or failing prematurely.

4. **Compatibility with Dell Servers** As a Dell-branded (or Kinnex-compatible) solution, it is designed to fit seamlessly into Dell PowerEdge and other enterprise-grade server chassis, reducing compatibility issues.

5. **Low Latency and High Throughput** The NetXtreme 5719 supports advanced features like **Jumbo Frames (up to 9KB)**, **VLAN tagging**, and **offloading capabilities** (TCP/UDP checksum, TCP segmentation), which improve network efficiency in data-intensive workloads.

6. **RJ-45 Connectors** Standard copper ports ensure easy connectivity with existing Ethernet infrastructure without requiring fiber or special adapters.

7. **Hot-Plug Capable** Most enterprise NICs of this type support hot-swapping, allowing for maintenance or upgrades without downtime.

8. **Driver and OS Support** Broadcom provides extensive driver support for major operating systems, including Windows Server, Linux (RHEL, Ubuntu, CentOS), and VMware ESXi, ensuring compatibility with most server environments.

9. **Cost-Effective for High-Demand Use Cases** While not the cheapest option, it offers better value than some consumer-grade NICs for servers that require multiple 1Gbps connections.

10. **Future-Proofing** The NetXtreme 5719 is an older but still reliable chipset, meaning it won t become obsolete quickly, and Broadcom continues to support it through firmware updates.

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1. **Age of the Chipset** The NetXtreme 5719 is from an older generation (introduced around 2010 2012). While still functional, it lacks modern features like **10Gbps support**, **AVB (Audio Video Bridging)**, or **advanced security protocols** found in newer Broadcom NICs (e.g., NetXtreme E-series).

2. **Limited Bandwidth** At 1Gbps per port, this card is outdated compared to modern 10Gbps or 25Gbps solutions. If your workloads require higher throughput, this may become a bottleneck.

3. **Power Consumption** Older enterprise NICs can draw more power than modern counterparts, though the difference is usually negligible unless you have a large server farm.

4. **Potential Driver Issues** While Broadcom still supports the 5719, some newer operating systems or hypervisors may require manual driver installation, which can be a hassle in large deployments.

5. **No PCIe 3.0 Support** The card likely uses PCIe 2.0 x4, which is slower than modern PCIe 3.0/4.0/5.0 slots. This may limit performance in newer servers with faster backplanes.

6. **No Built-in Redundancy Features** Unlike some newer NICs, the 5719 does not natively support **Link Aggregation Control Protocol (LACP)** in all configurations, though it can be configured manually in some OSes.

7. **Physical Size and Slot Requirements** The card may not fit in smaller form-factor servers (e.g., some Dell Optiplex or low-profile cases) due to its full-height design.

8. **No Integrated PHY for Fiber (Standard Model)** The RJ-45 version does not support fiber optics, meaning you must stick to copper Ethernet unless you purchase a separate SFP module (which adds cost).

9. **Limited Availability of New Stock** As a legacy part, finding replacements may be harder than for newer NICs, though Kinnex and Dell still carry it.

10. **No Energy Efficiency Features** Newer NICs often include power-saving modes and adaptive link speed, which this card lacks.

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The **Kinnex (Dell/Broadcom) KS0488HV81 (NetXtreme 5719) Quad-Port 1Gbps Ethernet Card** is a **reliable, enterprise-grade solution** for environments where **four stable 1Gbps connections** are needed, such as:

- Legacy server setups requiring multiple NICs for redundancy or VM networking.

- Data centers where 1Gbps is sufficient and cost is a concern.

- Workloads that do not require 10Gbps speeds (e.g., older databases, file servers, or basic web hosting).

However, if you are working with **modern servers, high-performance computing, or future-proofing**, a **newer 10Gbps or 25Gbps NIC** (e.g., Broadcom NetXtreme E-series, Intel X710, or Mellanox ConnectX-3) would be a better long-term investment due to higher bandwidth, lower latency, and better compatibility with current hardware.

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- You need **four reliable 1Gbps ports** for a legacy or cost-sensitive environment.

- Your workloads do not exceed 1Gbps per connection.

- You are maintaining a **Dell PowerEdge or similar enterprise server** where this NIC is a known-good part.

- You cannot justify the cost of a 10Gbps upgrade.

- You require **10Gbps or higher speeds** for modern applications (e.g., virtualization, big data, or high-frequency trading).

- You are working with **PCIe 3.0 servers** where a newer NIC would provide better throughput.

- You need **advanced features** like LACP, AVB, or SR-IOV support.

- You plan to keep the server for **more than 5 7 years**, as newer NICs will offer better performance and longevity.

For most **new deployments or high-performance workloads**, investing in a **modern 10Gbps NIC** (e.g., Broadcom NetXtreme E1000-3X or Intel X710) would be the better choice despite the higher upfront cost. However, for **budget-conscious, low-latency, or legacy environments**, the KS0488HV81 remains a **solid, dependable option**.

Details:

Data Rate: Capable of speeds up to 1Gb per port, totaling 4Gbps. Good used condition. Thorough cleaning and sterilization are recommended before use. BIOTECH BARGAINS item for sale.

Interface: Connects via a Pie 2.0 x4 slot. GSR veers 1730 GS 9.9.4 1730 Ports: Four RJ-45 1Gb ethernet ports. Used items will show signs of wear sometimes including light scratches, discoloration, stickers/tape, or exterior markings.

part #: ks0488hv81 price

• $44.99

specifications tubinglabsupplyu:

• brand: Kinnex Dell Broadcom
• mpn: Ks0488hv81
• model: 4-port
• part type: Card
• intended use/discipline: Biological Laboratory, Dental Laboratory, Medical Laboratory, Microbiological Laboratory, Physical Laboratory
• country of origin: China
• unit type: Unit
• material: Metal, Plastic
• additional search terms: Surplus Laboratory Bench Supplies Consumables

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• # reviews: 11555
• rating: 99.8%
• city: Bristol, Connecticut

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offer tubinglabsupplyu:

• quantity: 1
• availability: In Stock
• started: March 25, 2026
• sold: 0
• options: Ship-to-home

general tubinglabsupplyu:

• Healthcare, Lab Dental > Medical, Lab Dental Supplies > Other Medical, Lab Dental Supplies
• condition: Used

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• carrier: FedEx
• type: Fixed
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