 | Hewlett Packard (410570-B21) (410570B21) Expansion Module
 User Rating:
 PCI-X Interface | $125 - $189 (4 Stores)
 |
 | Cisco Line Card (WS-X4548-GB-RJ45=) Expansion Module
 User Rating:
 1000 Mbps, Plug-In Module, Cabling: Ethernet 1000Base-T, Ethernet 100Base-TX, Ethernet 10Base-T | $2799 - $3485 (6 Stores)
 |
 | Cisco Interface Module 32-port Serial (NM-32A=) Expansion Module
 User Rating:
 0.13 Mbps, Plug-In Module, Cabling: Serial | $715 - $1325 (3 Stores)
 |
 | Cisco (VWIC2-2MFT-T1/E1) (VWIC22MFTT1E1) Expansion Module
 User Rating:

| $949 - $1929 (6 Stores)
 |
 | Cisco (WIC-1ENET=) Expansion Module
 User Rating:
 Plug-In Module | $123 - $289 (6 Stores)
 |
 | Cisco CP-7914= Expansion Module
 User Rating:
 Cabling: Phone | $150 - $381 (4 Stores)
 |
 | Cisco (NM-2W) Expansion Module
 User Rating:
 Plug-In Module | $250 - $1290 (5 Stores)
 |
 | Cisco (PA4T) Expansion Module
 User Rating:
 Serial RS-232 Interface, Cabling: Serial RS-232, Serial RS-449, Serial RS-530, V.35, X.21 | $694 - $2399 (2 Stores)
 |
 | Cisco GBIC 1000Base-BZX (WS-G5487=) Expansion Module
 User Rating:
 1000 Mbps, Plug-In Module, Cabling: Ethernet 1000Base-ZX | $145 - $2000 (5 Stores)
 |
 | Hewlett Packard (J4111A) Expansion Module
 User Rating:
 100 Mbps, Plug-In Module | $44 - $99 (3 Stores)
 |
 | Cisco (PA-A1-OC3SM) Expansion Module
 User Rating:
 155 Mbps, Plug-In Module, Cabling: Fiber Optic | $269 - $899 (2 Stores)
 |
 | IBM X3650 (40K1908) Expansion Module
 User Rating:

| $154 - $238 (3 Stores)
 |
 | Hewlett Packard Procurve XL (J4820B) Expansion Module
 User Rating:
 Cabling: Ethernet 100Base-TX, Ethernet 10Base-T | $450 - $1927 (2 Stores)
 |
 | Cisco NM-HDV-1E1-30E Expansion Module
 User Rating:
 Cabling: Network | $2700 - $3510 (2 Stores)
 |
 | Compaq (157825001) Expansion Module
 User Rating:

| $48 - $48 (2 Stores)
 |
 | 3Com (3C17710) Expansion Module
 User Rating:
 1000 Mbps, Plug-In Module, Cabling: Ethernet 1000Base-SX | $575 - $1195 (3 Stores)
 |
 | Cisco Interface Module (NM-8A/S) Expansion Module
 User Rating:
 0.13 Mbps, Plug-In Module | $399 - $399 (1 Stores)
 |
 | Cisco (7300-1OC48POS-SMS=) Expansion Module
 User Rating:
 2500 Mbps, Plug-In Module, Cabling: Fiber Optic | $27500 - $32500 (2 Stores)
 |
 | Hewlett Packard Compaq (364639-B21) (364639B21) Expansion Module
 User Rating:

| $240 - $506 (3 Stores)
 |
 | Panasonic KX-TA82483 (KXTA82483) Expansion Module
 User Rating:

| $270 - $285 (2 Stores)
 |