Product Details:
             DELL / BROADCOM 57504 OCP 3.0 NIC 25GB/S QUAD PORT SFP28 OCP3 MEZZANINE CARD FOR DELL EMC POWEREDGE C6520 ( C6400 ) / C6620 ( C6600 ) / R650 / R6625 / R750 / R750XA / R7525 - BCM957504 / BCM57504 25GB/S ETHERNET OPEN COMPUTE PROJECT GEN3 NETWORK INTERFACE CARD SUPPORTS PCI-E 4.0 X16 SPEEDS ( 4 ) FOUR SMALL FORM FACTOR PLUGGABLE 28 TRANSCEIVER SLOTS  
MANUFACTURER: DELL / INTEL 
PART NUMBER: X1KR4  
COMPATIBILITY: DELL EMC POWEREDGE C6520 ( C6400 ) / C6620 ( C6600 ) / R650 / R6625 / R750 / R750XA / R7525  
ADDITIONAL INFORMATION: NO CABLES, NO TRANSCEIVERS INCLUDED  
 PERFORMANCE 
TRANSFER RATE: 25GB/S ( 25GBE )   
PROTOCOL: ETHERNET 
DEVICE TYPE: NETWORK INTERFACE CARD ( NIC ) 
INTERFACE: PCI-E 3.0 X8 
FORM FACTOR: SFF MEZZANINE CARD    
PORTS: QUAD PORT ( 4 PORT )   
CONNECTORS: ( 4 ) FOUR SMALL FORM FACTOR PLUGGABLE 28 TRANSCEIVER SLOTS ( SFP28 )