This low-profile network adapter fits in all cases with a PCI slot, including the Serener GD-L01. It is also possible to fit this card in the 3677, 3688, GS-L01 and GS-L02 with some modifications to the back of the case (drilling some holes).

ENL832-TX-EN Specifications
Standards	IEEE 802.3, IEEE 802.3u, IEEE 802.3x
Speed	10/100 Mb/sec.
Connectors	1 RJ-45
Interface	PCI
BUS	32-bit, PCI 2.0/2.1
LEDs	Link, Activity
Drivers	Windows 95, 98, ME, NT, 2K, XP, NetWare, Unix and packet driver
Wake on LAN	No
Operating Temperature	0°C ~ 80°C
Dimensions (w x h x d)	119.0 mm x 35.8 mm x 16.0 mm 4.69" x  1.41" x 0.63"