665243-B21 is the HPE Ethernet 10Gb 2-port 560FLR-SFP+ Adapter. The HPE Ethernet 10Gb 2-port 560 FLR-SFP+ FlexibleLOM adapter features low cost, low power dual port PCIe v2.0 x8 lane adapter designed for use in HPE ProLiant Gen8 Rack and scalable servers. The HPE 560FLR-SFP+ addresses the demanding needs of the next-generation data center by providing unmatched features for virtualization and scalability to keep up with the HPE ProLiant Gen8 server platform, with the proven and reliable performance HPE customers have come to expect.
Table 1 shows the spec.
| 
			 Part Number  | 
			
			 665243-B21  | 
		
| 
			 Models  | 
			
			 HPE Ethernet 10Gb 2-port 560FLR-SFP+ Adapter  | 
		
| 
			 Compatibility - Supported Servers  | 
			
			 HPE ProLiant DL20 Gen9 HPE ProLiant DL60 Gen9 HPE ProLiant DL80 Gen9 HPE ProLiant DL120 Gen9 HPE ProLiant DL160 Gen9 HPE ProLiant DL180 Gen9 HPE ProLiant DL360 Gen9 HPE ProLiant DL380 Gen9 HPE ProLiant DL560 Gen9 HPE ProLiant DL580 Gen9 HPE Apollo 2000 XL170r Gen9 HPE Apollo 2000 XL190r Gen9 HPE Apollo 4200 Gen9 HPE Apollo 4500-Xl450 Gen9 HPE Apollo 6000-XL230a Gen9 HPE Apollo 6000-XL250a Gen9  | 
		
| 
			 Network Processor  | 
			
			 Intel® 82599 Controller  | 
		
| 
			 Data Rate  | 
			
			 Two ports, each at 20 Gb/s bi-directional; 40 Gb/s aggregate bi-directional theoretical bandwidth.  | 
		
| 
			 Bus type  | 
			
			 PCI Express 2.0 (Gen 2) x8  | 
		
| 
			 Form Factor  | 
			
			 FlexibleLOM  |