Skip to main content
Hi !Hi! Sign in or registerHelp & Contact
Sell
My eBay
  • Summary
  • Recently Viewed
  • Bids/Offers
  • Watch List
  • 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

Serial Cards 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
  • Serial Cards 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
    • NEW I/O Crest  SY-VIA6421-3S1P PCI Serial ATA And Ultra ATA Controller Card - Image 1 of 4
    • NEW I/O Crest  SY-VIA6421-3S1P PCI Serial ATA And Ultra ATA Controller Card - Image 2 of 4
    • NEW I/O Crest  SY-VIA6421-3S1P PCI Serial ATA And Ultra ATA Controller Card - Image 3 of 4
    • NEW I/O Crest  SY-VIA6421-3S1P PCI Serial ATA And Ultra ATA Controller Card - Image 4 of 4

    NEW I/O Crest SY-VIA6421-3S1P PCI Serial ATA And Ultra ATA Controller Card

    Brand New · Syba
    RM 100.74
    or Best Offer
    RM 79.60 shipping
    S⁣Y⁣6⁣ ⁣Z⁣5⁣ ⁣p⁣V⁣S⁣ ⁣o⁣n⁣6⁣ѕ⁣o⁣F⁣r⁣ ⁣e⁣d⁣⁣0⁣⁣⁣N⁣⁣ ⁣
    • Manhattan Mercury PCI Dual Port 2-Port Serial Card - ICC-IO-2S-PCI - Image 1 of 4
    • Manhattan Mercury PCI Dual Port 2-Port Serial Card - ICC-IO-2S-PCI - Image 2 of 4
    • Manhattan Mercury PCI Dual Port 2-Port Serial Card - ICC-IO-2S-PCI - Image 3 of 4
    • Manhattan Mercury PCI Dual Port 2-Port Serial Card - ICC-IO-2S-PCI - Image 4 of 4

    Manhattan Mercury PCI Dual Port 2-Port Serial Card - ICC-IO-2S-PCI

    New (Other) · Manhattan
    RM 84.01
    RM 79.14 shipping
    S⁣p⁣4⁣L⁣ ⁣4⁣o⁣n⁣s⁣0⁣ ⁣о⁣r⁣e⁣d⁣⁣D⁣⁣Y⁣ ⁣E⁣⁣⁣2⁣⁣⁣ ⁣J⁣
    • IOCREST PCI-Express Multi I/O Controller PCI Express Serial Card - SY-PEX15034 - Image 1 of 4
    • IOCREST PCI-Express Multi I/O Controller PCI Express Serial Card - SY-PEX15034 - Image 2 of 4
    • IOCREST PCI-Express Multi I/O Controller PCI Express Serial Card - SY-PEX15034 - Image 3 of 4
    • IOCREST PCI-Express Multi I/O Controller PCI Express Serial Card - SY-PEX15034 - Image 4 of 4

    IOCREST PCI-Express Multi I/O Controller PCI Express Serial Card - SY-PEX15034

    Brand New
    RM 84.01
    RM 79.14 shipping
    S⁣T⁣M⁣ ⁣4⁣0⁣p⁣ ⁣о⁣n⁣Q⁣s⁣4⁣o⁣r⁣ ⁣F⁣e⁣d⁣⁣4⁣ ⁣⁣⁣⁣⁣G⁣⁣
    • Hayes High speed ESP Communications Accelerator 16Bit PC ISA Bus - Image 1 of 4
    • Hayes High speed ESP Communications Accelerator 16Bit PC ISA Bus - Image 2 of 4
    • Hayes High speed ESP Communications Accelerator 16Bit PC ISA Bus - Image 3 of 4
    • Hayes High speed ESP Communications Accelerator 16Bit PC ISA Bus - Image 4 of 4

    Hayes High speed ESP Communications Accelerator 16Bit PC ISA Bus

    Brand New · Hayes
    RM 171.46
    or Best Offer
    RM 127.97 shipping
    0 bids
    8d 11h
    S⁣D⁣T⁣ ⁣p⁣о⁣n⁣s⁣o⁣r⁣M⁣K⁣e⁣d⁣ ⁣⁣X⁣7⁣⁣⁣⁣⁣⁣⁣ ⁣S⁣⁣⁣
  • NEW ISA 8-Bit 16550 High Speed Serial Card XT AT - HSP-1P - By Logicode 25 Pin - Image 1 of 4

    NEW ISA 8-Bit 16550 High Speed Serial Card XT AT - HSP-1P - By Logicode 25 Pin

    Brand New · SIIG
    RM 62.83
    RM 101.62 shipping
    ⁣Z⁣U⁣ ⁣G⁣V⁣⁣⁣⁣ ⁣⁣⁣8⁣R⁣⁣⁣ ⁣⁣⁣X⁣9⁣ ⁣C⁣C⁣⁣⁣ ⁣⁣
  • Infiniti Solutions Harris Pca 16-Port Chp Serial 502028-01 Rev.09 Eet-5 M284 - Image 1 of 2

    Infiniti Solutions Harris Pca 16-Port Chp Serial 502028-01 Rev.09 Eet-5 M284

    Pre-Owned · Harris
    RM 441.38
    RM 112.68 shipping
    P⁣I⁣ ⁣3⁣F⁣⁣ ⁣5⁣⁣X⁣⁣⁣⁣ ⁣L⁣⁣⁣⁣⁣E⁣⁣ ⁣M⁣1⁣⁣⁣ ⁣⁣
  • IOCREST PCI Serial ATA and Ultra ATA Controller Card - Image 1 of 4

    IOCREST PCI Serial ATA and Ultra ATA Controller Card

    New (Other) · Syba
    RM 105.03
    RM 106.08 shipping
    ⁣⁣⁣D⁣⁣D⁣⁣⁣ ⁣⁣R⁣⁣⁣⁣⁣Y⁣ ⁣G⁣Q⁣⁣ ⁣A⁣⁣9⁣ ⁣⁣Y⁣8⁣
  • Link Tek 2 Port PCI Express Serial Port Card RS-232 DB9 Model PCIR-SE2 - Image 1 of 4

    Link Tek 2 Port PCI Express Serial Port Card RS-232 DB9 Model PCIR-SE2

    New (Other)
    RM 58.84
    RM 106.29 shipping
    H⁣⁣U⁣ ⁣⁣7⁣D⁣⁣⁣⁣ ⁣⁣J⁣⁣C⁣ ⁣⁣⁣⁣⁣5⁣⁣V⁣⁣ ⁣0⁣I⁣⁣
  • Emachines T5088 Computer Modem RD02-D490 Conexant - Image 1 of 4

    Emachines T5088 Computer Modem RD02-D490 Conexant

    Pre-Owned · Conexant
    RM 38.88
    RM 63.34 shipping
    W⁣I⁣ ⁣⁣⁣⁣⁣⁣⁣⁣⁣4⁣G⁣⁣ ⁣7⁣⁣6⁣⁣⁣⁣ ⁣⁣T⁣K⁣ ⁣G⁣⁣
  • Conexant RD02-D490 56K PCI Data/Fax Modem Card - Image 1 of 4

    Conexant RD02-D490 56K PCI Data/Fax Modem Card

    Pre-Owned · Conexant
    RM 42.03
    or Best Offer
    RM 77.88 shipping
    ⁣B⁣O⁣ ⁣⁣X⁣⁣Q⁣ ⁣J⁣2⁣⁣⁣ ⁣⁣⁣⁣⁣H⁣J⁣⁣ ⁣9⁣⁣E⁣⁣ ⁣6⁣
  • Conexant RD02-D490 PCI RJ11 56K Data / Fax Modem Card - Image 1 of 3

    Conexant RD02-D490 PCI RJ11 56K Data / Fax Modem Card

    Pre-Owned · Conexant
    RM 36.77
    or Best Offer
    RM 97.67 shipping
    ⁣G⁣W⁣ ⁣K⁣T⁣⁣⁣⁣⁣⁣⁣⁣⁣ ⁣R⁣8⁣⁣⁣⁣ ⁣⁣⁣⁣⁣5⁣⁣⁣
  • Conexant 56K RD02-D490 PCI Fax Modem Card - Image 1 of 3

    Conexant 56K RD02-D490 PCI Fax Modem Card

    Pre-Owned · Conexant
    RM 7.94
    or Best Offer
    RM 95.40 shipping
    V⁣⁣Q⁣⁣⁣⁣⁣⁣ ⁣B⁣M⁣⁣ ⁣7⁣⁣M⁣ ⁣0⁣5⁣⁣ ⁣Z⁣9⁣⁣⁣⁣ ⁣⁣
  • Vintage Emachines T5088 Computer Modem RD02-D490 Conexant - Image 1 of 4

    Vintage Emachines T5088 Computer Modem RD02-D490 Conexant

    Pre-Owned · Conexant
    RM 63.04
    RM 118.01 shipping
    ⁣⁣⁣⁣⁣⁣K⁣⁣⁣⁣⁣⁣4⁣ ⁣9⁣⁣1⁣⁣ ⁣⁣⁣3⁣4⁣ ⁣L⁣B⁣⁣⁣
  • OEM 434G Conexant RD02-D490 PCI CX11261 Soft Modem TESTED & WORKING - Image 1 of 3

    OEM 434G Conexant RD02-D490 PCI CX11261 Soft Modem TESTED & WORKING

    Pre-Owned · Conexant
    RM 0.04
    RM 107.13 shipping
    0 bids
    6d 23h
    J⁣⁣I⁣ ⁣⁣G⁣T⁣ ⁣⁣⁣⁣⁣⁣F⁣⁣⁣R⁣⁣⁣ ⁣K⁣⁣⁣⁣⁣1⁣⁣ ⁣
  • Conexant RD02-D490 PCI RJ11 56K Data / Fax Modem Card - Image 1 of 4

    Conexant RD02-D490 PCI RJ11 56K Data / Fax Modem Card

    Pre-Owned · Conexant
    RM 37.78
    Was: RM 54.80was - RM 54.80
    RM 77.75 shipping
    E⁣N⁣ ⁣T⁣⁣⁣0⁣ ⁣⁣⁣⁣8⁣G⁣⁣⁣⁣ ⁣L⁣4⁣⁣ ⁣⁣0⁣⁣⁣2⁣ ⁣M⁣
  • Gateway GT5220 Computer Modem RD02-D490 Conexant - Image 1 of 3

    Gateway GT5220 Computer Modem RD02-D490 Conexant

    Pre-Owned · Conexant
    RM 38.88
    RM 63.34 shipping
    ⁣⁣⁣⁣Y⁣7⁣ ⁣⁣J⁣3⁣⁣ ⁣W⁣⁣⁣T⁣⁣⁣⁣⁣⁣⁣⁣⁣⁣⁣ ⁣H⁣
  • Emachines T3646 Computer Modem RD02-D490 RD02-D495-009 Conexant - Image 1 of 3

    Emachines T3646 Computer Modem RD02-D490 RD02-D495-009 Conexant

    Pre-Owned · Conexant
    RM 38.88
    RM 63.34 shipping
    ⁣A⁣⁣3⁣ ⁣⁣⁣⁣J⁣⁣⁣V⁣ ⁣A⁣⁣P⁣ ⁣E⁣⁣1⁣⁣ ⁣⁣⁣S⁣9⁣⁣⁣
  • Emachines W3507 Computer Modem RD02-D490 3652B-RD02D490 Conexant - Image 1 of 3

    Emachines W3507 Computer Modem RD02-D490 3652B-RD02D490 Conexant

    Pre-Owned · Conexant
    RM 37.62
    RM 63.29 shipping
    ⁣R⁣S⁣⁣⁣⁣⁣ ⁣T⁣⁣0⁣ ⁣6⁣I⁣ ⁣4⁣E⁣ ⁣F⁣⁣6⁣ ⁣⁣K⁣⁣⁣⁣ ⁣
  • Desktop Computer Conexant RD02-D490 RD02-D495-009 Modem - Image 1 of 3

    Desktop Computer Conexant RD02-D490 RD02-D495-009 Modem

    Pre-Owned · Conexant
    RM 38.88
    RM 63.34 shipping
    ⁣Q⁣4⁣ ⁣⁣⁣V⁣⁣⁣⁣4⁣⁣⁣ ⁣⁣⁣V⁣R⁣ ⁣V⁣⁣⁣⁣⁣⁣⁣M⁣⁣
  • OEM 434G Conexant RD02-D490 PCI CX11261 Soft Modem TESTED & WORKING - Image 1 of 3

    OEM 434G Conexant RD02-D490 PCI CX11261 Soft Modem TESTED & WORKING

    Pre-Owned · Conexant
    RM 0.04
    RM 107.13 shipping
    0 bids
    6d 23h
    W⁣⁣K⁣ ⁣I⁣F⁣ ⁣⁣⁣X⁣D⁣ ⁣3⁣⁣⁣J⁣ ⁣X⁣⁣⁣⁣⁣⁣⁣ ⁣⁣⁣⁣
  • Lot of 2 Conexant RD02-D490 PCI RJ11 56K Data / Fax Modem Card - Image 1 of 4

    Lot of 2 Conexant RD02-D490 PCI RJ11 56K Data / Fax Modem Card

    Pre-Owned · Conexant
    RM 71.78
    Was: RM 104.10was - RM 104.10
    RM 1,050.70 shipping
    ⁣I⁣M⁣⁣⁣ ⁣⁣7⁣⁣⁣⁣4⁣⁣ ⁣B⁣⁣0⁣⁣ ⁣⁣S⁣⁣Z⁣ ⁣9⁣⁣C⁣⁣
  • 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

21 results

Sort: Best Match

  • Best Match
  • Time: ending soonest
  • Time: newly listed
  • Price + Shipping: lowest first
  • Price + Shipping: highest first
  • Distance: nearest first
  • External Interfaces: Serial Cards- Selected