| Manufacturer | Brocade Communications |
| Manufacturer Part # | B4000 |
| Cost Central Item # | 10911730 |
| Product Description | Foundry BigIron 4000 - Modular expansion base - rack-mountable |
| Device Type | Modular expansion base |
| Form Factor | Rack-mountable - modular |
| Approximate Dimensions (WxDxH) | 17.5 in x 15 in x 8.7 in |
| Localization | English |
| Power | AC 110/220 V ± 20% ( 50/60 Hz ) |
| Device Type | Modular expansion base |
| Form Factor | Rack-mountable - rack-mountable - modular |
| Installed Modules Qty (Max) | 0 (installed) / 4 (max) |
| Approximate Width | 17.5 in |
| Approximate Depth | 15 in |
| Approximate Height | 8.7 in |
| Enclosure Color | Black |
| Localization | English |
| Expansion Slots Total (Free) | 4 ( 4 ) x expansion slot |
| Power Device | Power supply - internal |
| Installed Qty / Max Supported Qty | 1 (installed) / 2 (max) |
| Voltage Required | AC 110/220 V ± 20% ( 50/60 Hz ) |
| Compliant Standards | EPA Energy Star |
| Min Operating Temperature | 32 °F |
| Max Operating Temperature | 104 °F |
| Humidity Range Operating | 10 - 80% |