- Transfer Speed 100Gbps Remove
Network Controllers
Discover a comprehensive selection of refurbished and new network controllers at Bargain Hardware, including Network Interface Cards (NIC), Host Bus Adapters (HBA), Host Channel Adapters (HCA), Converged Network Adapters (CNA), and more. Designed for enterprise systems like HP ProLiant and Dell PowerEdge servers, our network controllers deliver enterprise-class performance at unbeatable prices. With thousands of tested and ready-to-go cards, we provide cost-effective solutions for upgrading or expanding server connectivity.
Flexible Networking Solutions for Enterprise Systems
Our inventory includes single-port, dual-port, and quad-port network cards with PCIe compatibility, providing seamless integration into modern servers and workstations. We stock network controllers from trusted manufacturers such as Qlogic, Broadcom, Brocade, Emulex, and LSI, supporting Ethernet, Fibre Channel, and Infiniband technologies. Whether you need a Network Interface Card (NIC), a Converged Network Adapter (CNA), or a Host Bus Adapter (HBA), our solutions are available at discounted prices without compromising performance or reliability.
- ✓ Browse thousands of in-stock network controllers online now
- ✓ Professionally refurbished & quality tested
- ✓ Ready for immediate dispatch
- ✓ Fast UK, EU & worldwide shipping
- ✓ 90-Day RTB Warranty included
High-Performance Expansion Cards for Every Requirement
Whether you're upgrading an enterprise data centre, enhancing server connectivity, or building a high-performance home lab, our network controllers are designed to meet the most demanding requirements. With support for Fibre Channel, Ethernet, and Infiniband protocols, our adapters ensure compatibility with modern and legacy systems. We also offer blade network cards, mezzanine cards, GBICs, and Lights Out Management (LOM) cards for seamless integration into OEM systems.
Fast Delivery and Dependable Service
At Bargain Hardware, we are committed to providing affordable, high-quality refurbished network controllers backed by rigorous testing and expert support. With fast shipping to the UK, Europe, and worldwide, and a 90-Day Return to Base warranty included with all components, you can trust us to deliver cost-effective solutions for your networking needs.
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Mellanox ConnectX-5 Ex CX516A Dual Port -100GbE QSFP28 FH PCIe-x16 Ethernet NIC
- Part Number: MCX516A-CDAT
- Brand: Mellanox
- Interface: PCI Express 4.0 x16
- Transfer Rate: 100Gbps
- Connectivity: Infiniband 100Gb/s (EDR)
Excl. Tax £350.00Incl. Tax £420.00
In stock- Part Number: MCX516A-CDAT
- Brand: Mellanox
- Interface: PCI Express 4.0 x16
- Transfer Rate: 100Gbps
- Connectivity: Infiniband 100Gb/s (EDR)
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Mellanox ConnectX-5 MCX515A-CCAT Single Port - QSFP28 100G FH PCIe-x16 NIC
- Part Number: MCX515A-CCAT
- Brand: Mellanox
- Interface: PCI Express 3.0 x16
- Transfer Rate: 100Gbps
- Connectivity: QSFP28
Excl. Tax £200.00Incl. Tax £240.00
In stock- Part Number: MCX515A-CCAT
- Brand: Mellanox
- Interface: PCI Express 3.0 x16
- Transfer Rate: 100Gbps
- Connectivity: QSFP28
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Mellanox CX455A Single Port - 100Gbps LP PCIe-x16 QSFP28 NIC
- Part Number: CX455A-ECAT
- Brand: Mellanox
- Interface: PCI Express 3.0 x16
- Transfer Rate: 100Gbps
- Connectivity: QSFP28
Excl. Tax £200.00Incl. Tax £240.00
In stock- Part Number: CX455A-ECAT
- Brand: Mellanox
- Interface: PCI Express 3.0 x16
- Transfer Rate: 100Gbps
- Connectivity: QSFP28
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Mellanox MCX416A-CCAT NF Dual Port - SFP28 100G Full Height PCIe-3.0x16 CNA
- Part Number: MCX416A-CCAT_NF
- Brand: Mellanox
- Interface: PCI Express 3.0 x16
- Transfer Rate: 100Gbps
- Connectivity:
Excl. Tax £140.00Incl. Tax £168.00
In stock- Part Number: MCX416A-CCAT_NF
- Brand: Mellanox
- Interface: PCI Express 3.0 x16
- Transfer Rate: 100Gbps
- Connectivity:
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Mellanox MCX516A-CCAT Dual Port - QSFP28 100GbE LP PCIe-x16 CNA
- Part Number: MCX516A-CCAT
- Brand: Mellanox
- Interface: PCI Express x16
- Transfer Rate: 100Gbps
- Connectivity:
Excl. Tax £290.00Incl. Tax £348.00
In stock- Part Number: MCX516A-CCAT
- Brand: Mellanox
- Interface: PCI Express x16
- Transfer Rate: 100Gbps
- Connectivity:
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Mellanox MCX555A Single Port - QSFP28 100G Full Height PCIe3.0-x16 HCA
- Part Number: MSIP-REM-MLN-CX555A, CX555A
- Brand: Mellanox
- Interface: PCI Express 3.0 x16
- Transfer Rate: 100Gbps
- Connectivity:
Excl. Tax £115.00Incl. Tax £138.00
In stock- Part Number: MSIP-REM-MLN-CX555A, CX555A
- Brand: Mellanox
- Interface: PCI Express 3.0 x16
- Transfer Rate: 100Gbps
- Connectivity:
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Mellanox MCX653105A-ECAT Single Port - QSFP56 100G Full Height PCIe-4.0x16 HCA
- Part Number: MCX653105A-ECAT
- Brand: Mellanox
- Interface: PCI Express 4.0 x16
- Transfer Rate: 100Gbps
- Connectivity:
Excl. Tax £265.00Incl. Tax £318.00
In stock- Part Number: MCX653105A-ECAT
- Brand: Mellanox
- Interface: PCI Express 4.0 x16
- Transfer Rate: 100Gbps
- Connectivity:
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Mellanox MCX653105A-ECAT Single Port - QSFP56 100G Low Profile PCIe-4.0x16 HCA
- Part Number: MCX653105A-ECAT
- Brand: Mellanox
- Interface: PCI Express 4.0 x16
- Transfer Rate: 100Gbps
- Connectivity:
Excl. Tax £265.00Incl. Tax £318.00
In stock- Part Number: MCX653105A-ECAT
- Brand: Mellanox
- Interface: PCI Express 4.0 x16
- Transfer Rate: 100Gbps
- Connectivity:
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Nvidia Mellanox CX456A-ECAT Dual Port - QSFP28 100G LP PCIe-x16 HCA
- Part Number: MCX456A-ECAT, 900-9X4AC-0056-ST3
- Brand: Mellanox
- Interface: PCI Express 3.0 x16
- Transfer Rate: 100Gbps
- Connectivity: QSFP28
Excl. Tax £240.00Incl. Tax £288.00
In stock- Part Number: MCX456A-ECAT, 900-9X4AC-0056-ST3
- Brand: Mellanox
- Interface: PCI Express 3.0 x16
- Transfer Rate: 100Gbps
- Connectivity: QSFP28
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Nvidia Mellanox MCX556A Dual Port - QSFP28 100GbE FH PCIe-x16 ConnectX-5 Ethernet
- Part Number: MCX556A-ECAT
- Brand: Mellanox
- Interface: PCI Express 3.0 x16
- Transfer Rate: 100Gbps
- Connectivity: QSFP28
Excl. Tax £290.00Incl. Tax £348.00
In stock- Part Number: MCX556A-ECAT
- Brand: Mellanox
- Interface: PCI Express 3.0 x16
- Transfer Rate: 100Gbps
- Connectivity: QSFP28
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Nvidia Mellanox MCX556A-EDAT Dual Port - QSFP28 100G LP PCIe-x16 NIC
- Part Number: MCX556A-EDAT
- Brand: Mellanox
- Interface: PCI Express 3.0 x16
- Transfer Rate: 100Gbps
- Connectivity: QSFP28
Excl. Tax £380.00Incl. Tax £456.00
In stock- Part Number: MCX556A-EDAT
- Brand: Mellanox
- Interface: PCI Express 3.0 x16
- Transfer Rate: 100Gbps
- Connectivity: QSFP28
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NVIDIA Mellanox MCX623106AS-CDAT Dual Port - QSFP56 100G FH PCIe 4.0-x16 NIC
- Part Number:
- Brand: Mellanox
- Interface: PCI Express 4.0 x16
- Transfer Rate: 1Gbps, 10Gbps, 25Gbps, 40Gbps, 50Gbps, 100Gbps
- Connectivity:
Excl. Tax £500.00Incl. Tax £600.00
In stock- Part Number:
- Brand: Mellanox
- Interface: PCI Express 4.0 x16
- Transfer Rate: 1Gbps, 10Gbps, 25Gbps, 40Gbps, 50Gbps, 100Gbps
- Connectivity:









