
Safe checkout
Secure payments
Fast dispatch
1–2 day handling
Free shipping
U.S. ground
Warranty & RMA
Support after delivery
B5509A - HP Single-Port RJ-45 100Mbps 10Base-T/100Base-TX Fast Ethernet PCI Network Interface Card
- 10/100 Mbps Ethernet speed
- Single RJ45 port
- PCI Express (PCIe) interface
- Plug-and-play installation
- Supports Auto-Negotiation
- Low profile bracket included
- Ideal for adding or replacing network interfaces
B5509A isn't on our shelf today — we source it to order. Request a quote and we'll confirm price and lead time within one business day.
Key specifications
See full specs ↓- Interface
- PCI Express (PCIe)
- Port Type
- 1 x RJ45
- Speed
- 10/100 Mbps (Fast Ethernet)
- Bus Type
- PCIe x1
- Controller
- Realtek RTL8100C (typical)
- Form Factor
- Standard and Low Profile Bracket
Product details
The HP B5509A is a 1-Port 100Mb/s RJ45 PCIE Fast Ethernet Network Card. It provides a reliable and cost-effective solution for adding Fast Ethernet connectivity to desktop computers and servers.
Technical Information
| Interface | PCI Express (PCIe) |
| Port Type | 1 x RJ45 |
| Speed | 10/100 Mbps (Fast Ethernet) |
Additional Specifications
| Bus Type | PCIe x1 |
| Controller | Realtek RTL8100C (typical) |
| Form Factor | Standard and Low Profile Bracket |
Description
The HP B5509A is a single-port Fast Ethernet network interface card (NIC) designed to provide reliable 10/100 Mbps network connectivity. Utilizing the PCI Express (PCIe) interface, this card offers a higher bandwidth connection compared to older PCI bus technologies, ensuring efficient data transfer for standard networking tasks. The single RJ45 port supports auto-negotiation, allowing it to automatically detect and connect at the optimal speed (10 Mbps or 100 Mbps) with the connected network device. This network card is an excellent solution for upgrading existing systems that lack integrated Ethernet or for replacing a faulty onboard NIC. Its plug-and-play functionality simplifies installation, and it typically comes with both standard and low-profile brackets, making it compatible with a wide range of desktop computer chassis and some smaller form factor systems. The card is powered by a common Fast Ethernet controller, ensuring broad driver support across various operating systems. Ideal for general office use, internet access, and local area network connectivity, the HP B5509A provides a stable and cost-effective way to ensure your computer is connected to the network. It is particularly useful in environments where Gigabit Ethernet is not required, offering a straightforward and dependable networking solution.
Condition: Refurbished
Free U.S. ground shipping
Typically 1–2 days handling, 3–7 days in transit.
Purchase orders accepted
Government, enterprise, data center and small business.
Buying 10+ units?
Get volume pricing and availability for B5509A.
