290563-B21 HP NC7771 PCI-X Single Port 1000T Gigabit Server Adaptor Deals

Product Name: HP NC7771 PCI-X Single Port 1000T Gigabit Server Adaptor

Product Category: Network Cards & Adaptors in Electronics

Manufacturer: HP

Product Features :

• 1. HP was an early champion of PCI-X bus technology and has played a key role in the development and industry adoption of the PCI-X specification. The PCI-X , 64-bit/133MHz data path of the NC7771 yields faster transmission with lower CPU utilization than smaller bus architectures 2
• 2. Jumbo Frames (also known as Extended Frames) offer a 9K byte maximum Transmission Unit, which is six times the size of traditional Ethernet frames. The NC7771 supports jumbo frames as a way to achieve higher throughput and better CPU utilization when deployed in a network infrastructure that supports them. Jumbo frames are particularly useful for database transfers and tape backups 4
• 3. The NC7771 features TCP Checksum Offloads as well as TCP Segmentation Offloads and Interrupt Coalescence. These features reduce the load on the CPU for overall improved system response. Interrupt Coalescence is a feature that groups multiple packets and issues a single interrupt to the host. This process optimizes host efficiency, leaving the CPU available for other duties 5
• 4. Transmit Load Balancing (TLB) and Switch-Assisted Load Balancing (SLB) are two advanced features used to build a bigger pipe for improved networking bandwidth. These port bonding techniques enable users to install up to eight NC7771 adapters in a ProLiant server and aggregate their throughput up to a theoretical maximum of 16Gigabits per second full-duplex transmission 3
• 5. Up to 1000Mbps Ethernet transfer rate delivers outstanding network performance that improves response time and removes bottlenecks across the entire network 1

The HP NC7771 PCI-X Gigabit Server Adaptor is a follow-on to the NC7770. The NC7771 is a single port copper, PCI-X, Gigabit server Adaptor that runs over Category 5 (or better) twisted-pair cabling. Along with all the advanced features that ProLiant customers have come to expect, the NC7771 includes support for teaming for failover and load balancing, jumbo frames, Dual Address Cycles (DAC), Pre-Boot Execution Environment (PXE), PCI hot plug, large send offload capability, cold boot WOL, and multiple VLAN tagging.

The NC7771 supports 10/100/1000Mbps Ethernet speeds as well as a PCI-X 64-bit/133MHz data path and it is backwards compatible with existing PCI bus architectures. This range of features enables HP customers to protect their current hardware investment while also future-proofing their ProLiant servers for the inevitable increase in networking throughput. Additionally, the NC7771 ships with support for PCI Hot Plug, Network Fault Tolerance, Load Balancing, Jumbo Frames, PXE, Cold Boot Wake-on-LAN (WOL), and various offload capabilities that improve performance. These improvements in speed and throughput come at a cost-effective price for environments using Category 5 (or better) twisted-pair cabling.

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