376160-B21 is an HP NC571C dual-port 4x InfiniBand fabric adapter designed for enterprise server and high-performance clustering applications. It uses a PCI Express x8 interface, features the Mellanox InfiniRISC III chipset, provides two 4x InfiniBand copper ports, and supports up to 22Gbps observed aggregate bandwidth depending on configuration. HP specifies compatibility with PCI Express 1.0a-compliant slots.
- Part Number: 376160-B21
- Manufacturer: HP / Compaq
- Product: NC571C Dual-Port 4x InfiniBand Fabric Adapter
- Ports: 2 × 4x InfiniBand
- Data Rate: 10Gbps per 4x InfiniBand port
- Interface: PCI Express x8
- PCIe Standard: PCI Express 1.0a
- Chipset: Mellanox InfiniRISC III
- Onboard Memory: 128KB
- Latency: Less than 5µs, configuration dependent
- Maximum Observed Bandwidth: Up to 22Gbps, configuration dependent
- Connector / Cabling: Dual 4x InfiniBand copper connections; compatible HP 4x fabric cables include 376232-B21/B22/B23.
- InfiniBand Support: InfiniBand v1.1, MPI v1.2, IPoIB, SDP, uDAPL and SRP
- Application: High-performance computing, server clustering, low-latency interconnect and InfiniBand fabric networking
- Compatible Systems: Selected HP ProLiant DL/ML servers with compatible PCI Express slots; HP documentation lists it as an option for systems including the DL320 G3, DL360 G4, DL380 G4 and DL580 G3.
- Related Spare: 374931-001
- Related Assembly: 374301-001
- Compatibility Note: This is an InfiniBand fabric adapter, not a conventional Ethernet NIC. It requires a compatible InfiniBand switch/fabric and 4x InfiniBand cabling. HP's 24-port 4x InfiniBand switch is 376227-B21.