Technical Specifications:

Data Rates Supported per Port: 10, 100 and 1000 Mbps
Bus Type: PCI-X (3.3 volt slots only)
Bus Width: 32 - or 64-bit
Bus speed (MHz): 33/66/100/133

Onboard memory:

Packet Buffer (internal to Media Access Controller): 256K (64K x 4)

PCI-X bus buffer memory (internal to bridge chip): 10KB

Flash memory (stores Intel ® Boot Agent): 256KB

Interrupt levels: INTA, INTB, INTC and INTD
IEEE Support: 802.3ab

Hardware Certifications: FCC Class A, CE, GOST, AS / NZ 3548, BSMI, ICES-003, VCCI
Data transfer mode: bus-master DMA
Controller Processor: Intel ® 82546EB
Typical Power Consumption: 16.8W at +3.3 VDC
Operating Temperature: 0-55 ° C
Operating Humidity: 85% at +55 ° C
MTBF: 58.15 years

Physical Dimensions:

Length: 16.5cm (6.6in)
Width: 10.7cm (4.2in)