<s>
Neptune	O
,	O
also	O
known	O
as	O
Sun	O
Multithreaded	O
10	O
GbE	O
,	O
is	O
a	O
dual	O
10	O
Gbit/s	O
,	O
multithreaded	O
,	O
PCIe	O
x8-based	O
network	B-Protocol
interface	I-Protocol
controller	I-Protocol
for	O
10	O
Gigabit	O
Ethernet	O
.	O
</s>
<s>
A	O
Neptune-based	O
NIC	O
is	O
integrated	O
in	O
UltraSPARC	B-Device
T2	I-Device
CPUs	B-Device
(	O
Network	O
Interface	O
Unit	O
,	O
or	O
NIU	O
)	O
.	O
</s>
<s>
UltraSPARC	B-Device
T2	I-Device
No	O
Bus	O
interface	O
?	O
</s>
