Skip to main content
Hi !Hi! Sign in or registerHelp & Contact
Sell
Watchlist
My eBay
  • Summary
  • Recently Viewed
  • Bids/Offers
  • Watchlist
  • Purchase History
  • Selling
  • Saved feed
  • Saved Searches
  • Saved Sellers
  • Messages
Please sign-in to view notifications.
Loading...
eBay Home
Advanced
Copyright © 1995-2025 eBay Inc. All Rights Reserved. User Agreement, Privacy, Payments Terms of Use, Cookies and AdChoice

3Com 56 KBps Maximum Data Rate Modem Cards

breadcrumb

  • eBay
    • Electronics
    • Computers/Tablets & Networking
    • Computer Components & Parts
    • Interface/Add-On Cards
  • Electronics
  • Computers/Tablets & Networking
  • Computer Components & Parts
  • Interface/Add-On Cards
  • Modem Cards
  • 3Com 56 KBps Maximum Data Rate Modem Cards

Shop by category

  • Interface/Add-On Cards
    • Modem Cards
    • Disk Controllers/RAID Cards
    • Network Cards
    • Other Interface/Add-On Cards
    • Port Expansion Cards
    • 3Com Megahertz 3CXM756 56K Global GSM and Cellular Modem CD + Disk Sealed - Image 1 of 2
    • 3Com Megahertz 3CXM756 56K Global GSM and Cellular Modem CD + Disk Sealed - Image 2 of 2

    3Com Megahertz 3CXM756 56K Global GSM and Cellular Modem CD + Disk Sealed

    Brand New · 3Com
    S$ 55.94
    or Best Offer
    S$ 29.78 shipping
    S⁣p⁣V⁣5⁣o⁣ ⁣n⁣s⁣O⁣R⁣о⁣ ⁣r⁣e⁣7⁣F⁣ ⁣d⁣W⁣O⁣⁣⁣⁣ ⁣9⁣⁣⁣8⁣
    • USRobotics 3Com 3CP5699A Computer Internal Modem Card PCI 56K New Genuine - Image 1 of 4
    • USRobotics 3Com 3CP5699A Computer Internal Modem Card PCI 56K New Genuine - Image 2 of 4
    • USRobotics 3Com 3CP5699A Computer Internal Modem Card PCI 56K New Genuine - Image 3 of 4
    • USRobotics 3Com 3CP5699A Computer Internal Modem Card PCI 56K New Genuine - Image 4 of 4

    USRobotics 3Com 3CP5699A Computer Internal Modem Card PCI 56K New Genuine

    Brand New · 3Com
    S$ 18.47
    Was: S$ 33.57was - S$ 33.57
    S$ 36.22 shipping
    N⁣S⁣p⁣P⁣ ⁣C⁣o⁣n⁣Y⁣ ⁣P⁣4⁣ѕ⁣ ⁣W⁣o⁣F⁣r⁣e⁣d⁣ ⁣⁣⁣⁣⁣⁣6⁣⁣
  • 3Com DF PC 56k Data Fax Communication Line Controller Modem Card 3CP803598 - Image 1 of 1

    3Com DF PC 56k Data Fax Communication Line Controller Modem Card 3CP803598

    Pre-Owned · 3Com
    S$ 12.45
    S$ 8.09 shipping
    A⁣Z⁣ ⁣S⁣⁣T⁣ ⁣J⁣N⁣ ⁣6⁣V⁣ ⁣⁣⁣A⁣⁣⁣1⁣ ⁣E⁣⁣⁣ ⁣⁣⁣⁣⁣
  • PCI 3CP5610A US Robotics 3Com Fax Modem 56k For Ms-dos Linux Windows 95 98 - Image 1 of 1

    PCI 3CP5610A US Robotics 3Com Fax Modem 56k For Ms-dos Linux Windows 95 98

    Pre-Owned · 3Com
    S$ 81.34
    S$ 21.11 shipping
    ⁣X⁣K⁣ ⁣8⁣X⁣ ⁣⁣M⁣⁣⁣⁣8⁣⁣ ⁣7⁣1⁣ ⁣O⁣3⁣ ⁣N⁣⁣⁣⁣ ⁣⁣⁣
  • 3Com Pcmcia Cardbus 10/100 Lan Card + 56K Fax Modem 3C3FEM656C 10039559 - H59 - Image 1 of 1

    3Com Pcmcia Cardbus 10/100 Lan Card + 56K Fax Modem 3C3FEM656C 10039559 - H59

    Pre-Owned · 3Com
    S$ 40.59
    S$ 24.37 shipping
    ⁣0⁣T⁣ ⁣⁣D⁣⁣⁣⁣0⁣ ⁣O⁣⁣⁣Q⁣⁣ ⁣⁣⁣U⁣C⁣⁣⁣ ⁣5⁣⁣⁣D⁣
  • 3Com Megahertz 3CXM756 56K Global GSM and Cellular Modem PC Card - Image 1 of 1

    3Com Megahertz 3CXM756 56K Global GSM and Cellular Modem PC Card

    Brand New · 3Com
    S$ 50.51
    or Best Offer
    S$ 65.40 shipping
    F⁣⁣⁣E⁣ ⁣B⁣⁣6⁣⁣ ⁣O⁣1⁣⁣⁣ ⁣2⁣2⁣⁣⁣ ⁣⁣⁣⁣⁣9⁣Y⁣ ⁣⁣
  • US Robotics 3Com 005690-00 0642 PCI Internal Modem - Image 1 of 4

    US Robotics 3Com 005690-00 0642 PCI Internal Modem

    Pre-Owned · 3Com
    S$ 27.98
    S$ 39.67 shipping
    S⁣S⁣V⁣ ⁣p⁣B⁣о⁣B⁣n⁣ ⁣Y⁣Q⁣ ⁣s⁣T⁣o⁣I⁣r⁣e⁣d⁣⁣⁣ ⁣⁣9⁣⁣⁣Z⁣
  • 3Com USR 56k DF PC99 PCI Modem Card P/N: 3CP263595-OEM Tested Working - Image 1 of 4

    3Com USR 56k DF PC99 PCI Modem Card P/N: 3CP263595-OEM Tested Working

    Pre-Owned · 3Com
    S$ 20.97
    S$ 28.75 shipping
    S⁣N⁣H⁣ ⁣p⁣o⁣X⁣M⁣ ⁣n⁣s⁣o⁣r⁣е⁣d⁣⁣W⁣⁣⁣Z⁣ ⁣J⁣0⁣ ⁣⁣T⁣J⁣⁣
  • 3Com Megahertz 56k PCMCIA Global Modem PC Card 3CCM156 - Image 1 of 2

    3Com Megahertz 56k PCMCIA Global Modem PC Card 3CCM156

    Pre-Owned · 3Com
    S$ 20.97
    S$ 28.75 shipping
    C⁣S⁣I⁣ ⁣p⁣o⁣7⁣n⁣E⁣ ⁣K⁣7⁣ ⁣V⁣S⁣ѕ⁣o⁣r⁣e⁣d⁣⁣⁣ ⁣⁣⁣B⁣⁣⁣
  • 3Com Megahertz 3CXM756 56K Global GSM Cellular Modem CD Disk & PC Card Sealed - Image 1 of 4

    3Com Megahertz 3CXM756 56K Global GSM Cellular Modem CD Disk & PC Card Sealed

    Brand New · 3Com
    S$ 55.26
    S$ 36.97 shipping
    ⁣⁣L⁣⁣⁣⁣⁣W⁣ ⁣Q⁣⁣⁣⁣⁣B⁣⁣⁣ ⁣⁣⁣Q⁣R⁣⁣ ⁣⁣⁣4⁣F⁣
  • Gateway / 3Com 0613 1.012.0613-C 56k ISA Dial Up Modem w/ wake on ring cable - Image 1 of 4

    Gateway / 3Com 0613 1.012.0613-C 56k ISA Dial Up Modem w/ wake on ring cable

    Pre-Owned · 3Com
    S$ 20.97
    or Best Offer
    S$ 29.66 shipping
    ⁣6⁣P⁣ ⁣⁣8⁣⁣⁣2⁣⁣⁣ ⁣L⁣N⁣ ⁣⁣1⁣⁣⁣⁣⁣⁣G⁣ ⁣⁣Y⁣⁣⁣
  • USRobotics 3Com 3CP5699A Computer Internal Modem Card PCI 56K New Genuine - Image 1 of 4

    USRobotics 3Com 3CP5699A Computer Internal Modem Card PCI 56K New Genuine

    New (Other) · 3Com
    S$ 20.91
    S$ 81.86 shipping
    ⁣⁣⁣⁣⁣2⁣⁣2⁣⁣ ⁣⁣Q⁣H⁣⁣ ⁣⁣⁣C⁣Y⁣ ⁣W⁣⁣⁣B⁣⁣⁣⁣ ⁣
  • Actiontec 3Com 56k V.90 PCI Pro Internal Fax/Data Modem (or similar) - Image 1 of 4

    Actiontec 3Com 56k V.90 PCI Pro Internal Fax/Data Modem (or similar)

    New (Other) · 3Com
    S$ 26.58
    or Best Offer
    S$ 71.93 shipping
    Q⁣⁣R⁣⁣⁣⁣ ⁣Y⁣O⁣⁣ ⁣W⁣J⁣ ⁣⁣V⁣⁣2⁣ ⁣K⁣⁣⁣2⁣⁣ ⁣⁣⁣⁣
  • 3Com Megahertz 56K Global Modem (3CCM156B) 56 Kbps - Not tested - Image 1 of 2

    3Com Megahertz 56K Global Modem (3CCM156B) 56 Kbps - Not tested

    Pre-Owned · 3Com
    S$ 18.17
    S$ 29.57 shipping
    ⁣9⁣⁣⁣9⁣⁣ ⁣⁣⁣⁣⁣7⁣N⁣⁣⁣⁣ ⁣⁣3⁣H⁣⁣⁣⁣ ⁣⁣⁣B⁣⁣
  • 3Com US Robotics 56K V.90 USB External Voice Fax Modem Pro 5605. Open Box - Image 1 of 4

    3Com US Robotics 56K V.90 USB External Voice Fax Modem Pro 5605. Open Box

    New (Other) · 3Com
    S$ 139.88
    S$ 75.57 shipping
    ⁣⁣⁣K⁣T⁣ ⁣8⁣I⁣ ⁣⁣R⁣⁣H⁣ ⁣2⁣Z⁣⁣⁣⁣ ⁣⁣T⁣⁣⁣⁣⁣⁣⁣
  • Gateway G6-350 Computer Modem 1.012.0613-C 3COM - Image 1 of 4

    Gateway G6-350 Computer Modem 1.012.0613-C 3COM

    Pre-Owned · 3Com
    S$ 12.52
    S$ 24.73 shipping
    R⁣⁣⁣P⁣⁣ ⁣⁣Q⁣⁣P⁣⁣ ⁣X⁣⁣S⁣ ⁣⁣B⁣W⁣ ⁣⁣2⁣⁣⁣⁣⁣J⁣⁣
  • Desktop Computer Modem Card Modem 4X2USA-25314-M5-E 662975-81 3COM - Image 1 of 3

    Desktop Computer Modem Card Modem 4X2USA-25314-M5-E 662975-81 3COM

    Pre-Owned · 3Com
    S$ 12.94
    S$ 24.75 shipping
    X⁣⁣5⁣⁣⁣⁣ ⁣⁣⁣Q⁣7⁣ ⁣⁣G⁣7⁣ ⁣6⁣X⁣⁣⁣⁣ ⁣X⁣⁣⁣⁣⁣⁣
  • 3COM 3CP263595-OEM-50 56K Internal Fax/Modem US Robotics 0766 - Image 1 of 4

    3COM 3CP263595-OEM-50 56K Internal Fax/Modem US Robotics 0766

    Pre-Owned · 3Com
    S$ 23.64
    Was: S$ 26.27was - S$ 26.27
    or Best Offer
    S$ 28.83 shipping
    ⁣3⁣⁣⁣⁣⁣⁣⁣⁣I⁣⁣ ⁣J⁣9⁣ ⁣A⁣F⁣ ⁣S⁣7⁣ ⁣⁣⁣⁣⁣P⁣⁣⁣
  • Gateway / 3Com USR # 0613 1.012.0613-C 56k ISA Dial Up Modem - Image 1 of 4

    Gateway / 3Com USR # 0613 1.012.0613-C 56k ISA Dial Up Modem

    Pre-Owned · 3Com
    S$ 14.41
    or Best Offer
    S$ 38.36 shipping
    ⁣M⁣⁣⁣K⁣⁣⁣⁣⁣ ⁣7⁣F⁣⁣ ⁣U⁣5⁣ ⁣⁣⁣3⁣P⁣ ⁣⁣⁣⁣W⁣6⁣⁣
  • 3Com (3CP5699A) 56 Kbps Modem, PCI Card - Image 1 of 3

    3Com (3CP5699A) 56 Kbps Modem, PCI Card

    Pre-Owned · 3Com
    S$ 15.37
    S$ 29.49 shipping
    Z⁣⁣G⁣⁣⁣ ⁣⁣⁣⁣O⁣K⁣⁣ ⁣T⁣⁣7⁣ ⁣⁣⁣C⁣⁣0⁣⁣ ⁣A⁣0⁣⁣ ⁣
  • US Robotics 3Com 005690-00 0642 PCI Internal Modem - Image 1 of 1

    US Robotics 3Com 005690-00 0642 PCI Internal Modem

    Pre-Owned · 3Com
    S$ 11.05
    or Best Offer
    S$ 44.58 shipping
    M⁣0⁣ ⁣P⁣1⁣ ⁣S⁣⁣C⁣ ⁣Y⁣⁣⁣I⁣⁣⁣⁣⁣ ⁣⁣T⁣⁣E⁣ ⁣⁣B⁣⁣ ⁣
  • 3Com 0727/3CP2976-OEM USR 56Kbps Voice PCI Modem Card "Q6E" - Image 1 of 4

    3Com 0727/3CP2976-OEM USR 56Kbps Voice PCI Modem Card "Q6E"

    Pre-Owned · 3Com
    S$ 13.99
    or Best Offer
    S$ 40.09 shipping
    ⁣H⁣⁣⁣⁣⁣⁣⁣U⁣⁣⁣⁣⁣⁣⁣ ⁣W⁣⁣E⁣ ⁣⁣T⁣⁣6⁣⁣⁣ ⁣L⁣
  • All Listings
  • Auction
  • Buy It Now
  • Best Match
  • Time: ending soonest
  • Time: newly listed
  • Price + Shipping: lowest first
  • Price + Shipping: highest first
  • Distance: nearest first
  • List View
  • Gallery View

22 results

Sort: Best Match

  • Best Match
  • Time: ending soonest
  • Time: newly listed
  • Price + Shipping: lowest first
  • Price + Shipping: highest first
  • Distance: nearest first
    • Maximum Data Rate: 56 KBps- Selected
    • Brand: 3Com- Selected
    Clear All