| Manufacturer | 3COM |
| Manufacturer Part # | 3C17220 |
| Cost Central Item # | 10000008 |
| Product Description | 3Com SuperStack 3 Switch 4400 Module - Expansion module - Gigabit EN - 1000Base-T |
| Device Type | Expansion module |
| Form Factor | Plug-in module |
| Cabling Type | Ethernet 1000Base-T |
| Data Link Protocol | Gigabit Ethernet |
| Data Transfer Rate | 1 Gbps |
| Compliant Standards | IEEE 802.3z, IEEE 802.1Q, IEEE 802.3ab, IEEE 802.1p |
| Manufacturer Warranty | Limited lifetime warranty |
| Connectivity Technology | Wired |
| Cabling Type | Ethernet 1000Base-T |
| Data Link Protocol | Gigabit Ethernet |
| Data Transfer Rate | 1 Gbps |
| Features | Full duplex capability |
| Compliant Standards | IEEE 802.3z, IEEE 802.1Q, IEEE 802.3ab, IEEE 802.1p |
| Interfaces | 1 x network - Ethernet 1000Base-T - RJ-45 |
| Compatible Slots | 1 x expansion slot |
| Compliant Standards | CE, FCC Class A certified, CSA, CISPR 22 Class A, EN 60950, EN55022, ICES-003, UL 1950, VCCI Class A ITE, IEC 60950, EN55024 |
| Service & Support | Limited lifetime warranty |
| Service & Support Details | Limited warranty - lifetime |
| Min Operating Temperature | 32 °F |
| Max Operating Temperature | 104 °F |
| Humidity Range Operating | 10 - 95% |