MXH910 NTB Host Adapter

Gen3 PCI Express NTB Host Adapter

The MXH910 Gen3 PCI Express NTB Host Adapter is our high performance iPass x8 cable card for distributed processor subsystems. The MXH910 supports the PCI-SIG iPass cabling standard.

  • Gen3 64 GT/s
  • PCI Express iPass x8 Connector
  • Supports PCIe Gen1, 2,and 3
  • RDMA through PIO and DMA
  • Clock isolation for CFC or SSC
  • Low Profile Design
  • Copper cables up to 5m
  • Non-transparent bridging
  • Flash configurable
  • Link status LEDs
  • Full Dolphin eXpressWare Software stack included

Product Data

Based on Microchip PCIe Switchtec technology, the MXH910 host adapter includes advanced features for non-transparent bridging (NTB ) and comes with a full license to the Dolphin eXpressWare software.

The MXH910 host adapter combines 64 Gbit/s performance with less than one microsecond latency, significantly improving overall inter-system communication. Inter-processor communication applications benefit from the high throughput and low latency.

The MXH910 supports both Remote Direct Memory Access (RDMA) and Programmed IO (PIO) transfers, effectively supporting both large and small data packets. RDMA transfers result in efficient larger packet transfers and processor off-load. PIO transfers optimize small packet transfers at the lowest latency. The combination of RDMA and PIO creates a highly potent data transfer system.

Dolphin’s eXpressWare software suite takes advantage of PCI Express’ RDMA and PIO data transfer scheme. Delivering a complete deployment environment for customized and standardized applications. The suite includes a Shared-Memory Cluster Interconnect (SISCI) API as well as a TCP/IP driver and SuperSockets software. The SISCI API is a robust and powerful shared memory programming environment. The TCP/IP driver and SuperSockets™ software remove traditional networking bottlenecks, allowing standard IP and sockets applications to take advantage of the high performance PCI Express interconnect without modification. The overall framework is designed for rapid development of inter-processor communication applications.

The MXH910 is carefully designed for maximum cable length and support copper cables up to 5 meters at full PCI Express Gen3 speed when connected to another MXH910 card. More information on cables for the MXH910.

For transparent use cases, please consider the MXH912 Gen3 Adapter card.

Feature Description
Link Speed 64 Gb/s
Application Performance 0.54 microsecond latency (application to application)
< 100 nanoseconds cut through latency port to port
> 6.5 Gigabyte/s throughput.
Active Components Microchip PCI Express Gen 4.0 Switch with DMA
PCI Express

Base Specification 4.0
External Cabling Specification 2.0
Card Electromechanical Specification 3.0

Topologies Point to Point
Cable Connections One x8 iPass® PCI Express copper cable
Power Consumption 12 Volt - 10.8 Watt typical, 24 Watt Max.
3.3VAUX - 1 mWatt typical, 99 mWatt Max
Mechanical Dimensions Low profile -68.90 mm (2.71 inches) x 123.5 mm (4.86 inches)
Operating Environment Operating Temperature: 0°C - 55°C
Airflow : 350 LFM (@max ambient temperature)
Relative Humidity: 5% - 95% (non-condensing)
Software SuperSockets™ Berkley Sockets API
Microsoft WinSock2/LSP support
TCP/IP Driver
Multicast groups Max 16, default 4
Regulatory CE Mark
FCC Class A
UL94V-0 compliant
PCIe bracket Full height plate installed
Half height plate included
Configuration Dip-switch configurable
Operating System Windows

MXH910 - NTB - Non-Transparent Host
MXH912 - Transparent Host

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