-
-
   
SFP
-
-
   
SFP28
-
-
   
SFP+
-
-
   
QSFP+
-
-
   
QSFP28
-
-
   
QSFP-DD
-
-
   
QSFP56
-
-
   
OSFP
-
-
   
SFP 100M
-
-
   
Fiber Channel 8G, 16G, 32G
-
-
   
QSFP+ FDR/EDR
-
-
   
QSFP/SFP Adapter
-
-
DAC
-
-
   
QSFP28
-
-
   
SFP
-
-
   
SFP+
-
-
   
SFP28
-
-
   
QSFP+
-
-
   
SFP56
-
-
   
QSFP-DD
-
-
   
QSFP56
-
-
   
OSFP
-
-
AOC
-
-
   
SFP+
-
-
   
SFP28
-
-
   
QSFP+
-
-
   
QSFP56
-
-
   
QSFP28
-
-
   
QSFP-DD
-
-
   
Immersion Cable
-
-
Loopback
-
-
   
1.25G Network Card
-
-
   
2.5G Network Card
-
-
   
10G Network Card
-
-
   
25G Network Card
-
-
   
40G Network Card
-
-
   
100G Network Card
-
-
OEO
-
-
   
HBA Card
-
-
TAP
-
-
PCIe
-
-
IOT
Back
is this compatible with HP 1820 J9981A?
HP 1820 J9981A has 10/100/1000 ports plus 4 SFP ports. Our 10GBase-SR normally only supports 10G rate. We recommend you to try our 1.25G SFP 1000Base-SX for HP https://store.10gtek.com/1-25g-sfp-1000base-sx-850nm-550-meter-sfp-sfp-ge-s-hp/p-8813