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

Best Data Modem

More to explore

  • Ambit Modem U10c018
  • Arris Modem Tm
  • Arris Wbm760 Cable Modem
  • Clear Wireless Modem
  • Comcast Telephony Modem
  • Cox Cable Modem
  • GSM Computer Modems
  • High Speed Internet Modem
  • High Speed Modem
  • Internet Modem
  • Motorola Cable Modem Sb5101
  • Motorola Surfboard Sb5100 Cable Modem
  • Motorola Surfboard Sb6141 Cable Modem
  • Premod Cable Modem
  • Rca Modem Dcm425
  • Time Warner Cable Modem
  • Usb Dial Up Modem
  • Usb Fax Modem
  • Usb Voice Modem
  • Wavecom Computer GSM Modems

breadcrumb

  • eBay
    • Electronics
    • Computers/Tablets & Networking
    • Home Networking & Connectivity
  • Electronics
  • Computers/Tablets & Networking
  • Home Networking & Connectivity
  • Modems
  • Best Data Modem

Shop by category

  • Home Networking & Connectivity
    • Modems
    • Boosters, Extenders & Antennas
    • Mobile Broadband Devices
    • Modem-Router Combos
    • Other Home Networking
    • Powerline Networking
    • USB Bluetooth Adapters/Dongles
    • USB Wi-Fi Adapters/Dongles
    • VoIP Home Phones
    • VoIP Phone Adapters
    • Wired Routers
    • Wireless Access Points
    • Wireless Routers
    • Best Data Modem Smart One 56SPX-2 / 56SX-2 56SPX-2-MAC / 56SX-2-MAC(No Pwr Cord) - Image 1 of 3
    • Best Data Modem Smart One 56SPX-2 / 56SX-2 56SPX-2-MAC / 56SX-2-MAC(No Pwr Cord) - Image 2 of 3
    • Best Data Modem Smart One 56SPX-2 / 56SX-2 56SPX-2-MAC / 56SX-2-MAC(No Pwr Cord) - Image 3 of 3

    Best Data Modem Smart One 56SPX-2 / 56SX-2 56SPX-2-MAC / 56SX-2-MAC(No Pwr Cord)

    Pre-Owned · Best Data Products
    RM 84.69
    RM 102.40 shipping
    S⁣L⁣p⁣S⁣ ⁣N⁣o⁣n⁣ѕ⁣o⁣r⁣Q⁣e⁣d⁣ ⁣⁣8⁣⁣⁣H⁣⁣⁣⁣ ⁣⁣⁣⁣⁣
    • Best Data Smart One 2400X FN642E2400X Error Free Modem w/ Power Adaptor - Image 1 of 4
    • Best Data Smart One 2400X FN642E2400X Error Free Modem w/ Power Adaptor - Image 2 of 4
    • Best Data Smart One 2400X FN642E2400X Error Free Modem w/ Power Adaptor - Image 3 of 4
    • Best Data Smart One 2400X FN642E2400X Error Free Modem w/ Power Adaptor - Image 4 of 4

    Best Data Smart One 2400X FN642E2400X Error Free Modem w/ Power Adaptor

    Pre-Owned · Best Data Products
    RM 381.18
    or Best Offer
    RM 160.45 shipping
    M⁣4⁣ ⁣S⁣6⁣S⁣р⁣ ⁣E⁣O⁣o⁣ ⁣n⁣L⁣7⁣ ⁣s⁣o⁣r⁣K⁣0⁣ ⁣e⁣F⁣⁣ ⁣d⁣⁣
    • Best Data 56K External Modem Smart One with Power Cord - Image 1 of 4
    • Best Data 56K External Modem Smart One with Power Cord - Image 2 of 4
    • Best Data 56K External Modem Smart One with Power Cord - Image 3 of 4
    • Best Data 56K External Modem Smart One with Power Cord - Image 4 of 4

    Best Data 56K External Modem Smart One with Power Cord

    Pre-Owned · Best Data Products
    RM 105.62
    or Best Offer
    RM 105.92 shipping
    S⁣S⁣р⁣D⁣ ⁣o⁣B⁣S⁣ ⁣n⁣s⁣o⁣T⁣r⁣O⁣ ⁣e⁣d⁣2⁣⁣7⁣ ⁣Y⁣N⁣⁣⁣⁣⁣
    • Macintosh IBM Computer Modem New Best Data 9648FX External Smart One For FAX USA - Image 1 of 4
    • Macintosh IBM Computer Modem New Best Data 9648FX External Smart One For FAX USA - Image 2 of 4
    • Macintosh IBM Computer Modem New Best Data 9648FX External Smart One For FAX USA - Image 3 of 4
    • Macintosh IBM Computer Modem New Best Data 9648FX External Smart One For FAX USA - Image 4 of 4

    Macintosh IBM Computer Modem New Best Data 9648FX External Smart One For FAX USA

    Brand New · Best Data Products
    RM 121.55
    Was: RM 173.67was - RM 173.67
    or Best Offer
    RM 470.75 shipping
    Ѕ⁣S⁣p⁣D⁣ ⁣J⁣o⁣9⁣n⁣ ⁣W⁣s⁣X⁣ ⁣o⁣r⁣e⁣9⁣C⁣ ⁣d⁣B⁣S⁣⁣⁣ ⁣⁣⁣
  • Best Data Smartone External 56k V.92 Fax Modem - Image 1 of 4

    Best Data Smartone External 56k V.92 Fax Modem

    New (Other) · Best Data Products
    RM 152.06
    or Best Offer
    RM 81.77 shipping
    5⁣I⁣ ⁣⁣⁣⁣⁣⁣⁣⁣⁣⁣⁣⁣⁣⁣⁣3⁣V⁣ ⁣C⁣J⁣⁣⁣⁣⁣ ⁣⁣
  • Best Data 56K External Modem Smart One 56SPX-2 56SX-2 - Image 1 of 2

    Best Data 56K External Modem Smart One 56SPX-2 56SX-2

    Pre-Owned · Best Data Products
    RM 148.29
    RM 125.41 shipping
    H⁣R⁣⁣⁣ ⁣⁣⁣A⁣2⁣ ⁣⁣⁣⁣R⁣⁣⁣K⁣ ⁣8⁣⁣⁣⁣2⁣ ⁣⁣Z⁣G⁣ ⁣
  • BEST DATA 2834 FLX 28.8 EXTERNAL MODEM *NO AC ADAPTER * WITH WARRANTY - Image 1 of 3

    BEST DATA 2834 FLX 28.8 EXTERNAL MODEM *NO AC ADAPTER * WITH WARRANTY

    Pre-Owned · Best Data Products
    RM 211.84
    or Best Offer
    RM 177.44 shipping
    ⁣4⁣J⁣⁣ ⁣4⁣⁣⁣⁣⁣V⁣⁣⁣ ⁣⁣9⁣⁣⁣C⁣ ⁣⁣⁣Q⁣⁣⁣N⁣⁣⁣
  • Best Data 336F Data/ Fax Modem ISA-16 - 1996 - Image 1 of 1

    Best Data 336F Data/ Fax Modem ISA-16 - 1996

    Pre-Owned · Best Data Products
    RM 84.74
    RM 96.73 shipping
    ⁣S⁣C⁣⁣⁣⁣⁣ ⁣J⁣B⁣ ⁣⁣M⁣I⁣ ⁣L⁣⁣⁣4⁣⁣ ⁣5⁣9⁣ ⁣⁣⁣⁣⁣
  • New In Box. 56K Data Fax Modem - Image 1 of 4

    New In Box. 56K Data Fax Modem

    Brand New · Best Data Products
    RM 59.32
    or Best Offer
    RM 106.34 shipping
    ⁣⁣D⁣4⁣⁣⁣ ⁣⁣G⁣⁣⁣0⁣⁣⁣ ⁣W⁣6⁣⁣⁣ ⁣P⁣⁣⁣I⁣ ⁣9⁣5⁣⁣
  • BEST DATA SMART ONE Cable modem, CMX300 v2 - Image 1 of 3

    BEST DATA SMART ONE Cable modem, CMX300 v2

    Brand New · Best Data Products
    RM 42.33
    or Best Offer
    RM 103.29 shipping
    F⁣⁣⁣⁣⁣⁣W⁣⁣ ⁣S⁣2⁣⁣⁣ ⁣U⁣U⁣ ⁣2⁣R⁣⁣ ⁣⁣⁣⁣X⁣G⁣⁣ ⁣
  • Best Data 336F Data/ Fax Modem ISA-16 - 1996 - Image 1 of 1

    Best Data 336F Data/ Fax Modem ISA-16 - 1996

    Pre-Owned · Best Data Products
    RM 84.74
    RM 92.49 shipping
    U⁣0⁣ ⁣C⁣⁣X⁣⁣⁣⁣⁣ ⁣⁣⁣Y⁣I⁣ ⁣H⁣W⁣⁣ ⁣⁣⁣⁣1⁣X⁣⁣⁣⁣
  • NEW - BEST DATA 56K Mach 2 Internal Data/Fax Modem Model A56FW-PCI - Image 1 of 2

    NEW - BEST DATA 56K Mach 2 Internal Data/Fax Modem Model A56FW-PCI

    Brand New · Best Data Products
    RM 25.38
    RM 101.94 shipping
    ⁣A⁣⁣⁣⁣3⁣ ⁣X⁣C⁣ ⁣⁣Z⁣⁣E⁣⁣⁣⁣ ⁣M⁣⁣9⁣ ⁣A⁣⁣M⁣ ⁣G⁣⁣
  • VINTAGE Best Data Model 56USBSL ~ External 56k V.92 USB Fax Modem - Image 1 of 2

    VINTAGE Best Data Model 56USBSL ~ External 56k V.92 USB Fax Modem

    Pre-Owned · Best Data Products
    RM 93.21
    or Best Offer
    RM 85.54 shipping
    ⁣9⁣D⁣ ⁣P⁣B⁣ ⁣I⁣O⁣⁣ ⁣4⁣⁣⁣⁣4⁣⁣⁣ ⁣0⁣⁣D⁣ ⁣⁣U⁣⁣⁣⁣
  • BEST DATA 2834 FLX 28.8 EXTERNAL MODEM *NO AC ADAPTER Ve9 - Image 1 of 4

    BEST DATA 2834 FLX 28.8 EXTERNAL MODEM *NO AC ADAPTER Ve9

    Pre-Owned · Best Data Products
    RM 254.21
    or Best Offer
    RM 281.70 shipping
    X⁣S⁣7⁣р⁣o⁣n⁣ ⁣s⁣o⁣r⁣V⁣e⁣d⁣G⁣ ⁣⁣⁣7⁣⁣⁣⁣⁣S⁣ ⁣O⁣A⁣ ⁣⁣
  • Modem, isa, 56f, best data products - Image 1 of 4

    Modem, isa, 56f, best data products

    Pre-Owned · Best Data Products
    RM 316.70
    or Best Offer
    RM 140.58 shipping
    S⁣p⁣o⁣T⁣n⁣s⁣o⁣I⁣r⁣е⁣ ⁣d⁣⁣⁣M⁣⁣T⁣⁣⁣⁣ ⁣⁣K⁣⁣4⁣⁣⁣⁣
  • Modem, ISA, BEST DATA PRODUCTS RT1442F v 1.27 - Image 1 of 4

    Modem, ISA, BEST DATA PRODUCTS RT1442F v 1.27

    Pre-Owned · Best Data Products
    RM 267.98
    or Best Offer
    RM 139.14 shipping
    S⁣p⁣A⁣F⁣o⁣n⁣s⁣ ⁣о⁣r⁣e⁣d⁣⁣⁣⁣⁣A⁣⁣⁣⁣X⁣⁣ ⁣9⁣F⁣ ⁣⁣E⁣
  • Macintosh Computer Modem Best Data 9624FX External Smart One FAX 9600bps Nib - Image 1 of 4

    Macintosh Computer Modem Best Data 9624FX External Smart One FAX 9600bps Nib

    Brand New · Best Data Products
    RM 169.43
    or Best Offer
    RM 221.58 shipping
    ⁣⁣G⁣V⁣⁣ ⁣B⁣I⁣ ⁣⁣A⁣1⁣ ⁣X⁣T⁣ ⁣4⁣Z⁣⁣ ⁣D⁣⁣⁣⁣ ⁣⁣⁣⁣
  • Vintage Best Data Fax modem External for Macintosh 33.6 v.34 - Image 1 of 4

    Vintage Best Data Fax modem External for Macintosh 33.6 v.34

    Pre-Owned · Best Data Products
    RM 42.33
    or Best Offer
    RM 160.36 shipping
    H⁣C⁣ ⁣J⁣⁣N⁣ ⁣E⁣2⁣ ⁣⁣W⁣⁣U⁣ ⁣0⁣⁣M⁣⁣⁣ ⁣H⁣⁣⁣⁣ ⁣⁣⁣
  • Best Data Smart One USB 56K External Modem for Mac Macintosh 56USBPMAC V.92 V.44 - Image 1 of 4

    Best Data Smart One USB 56K External Modem for Mac Macintosh 56USBPMAC V.92 V.44

    Pre-Owned · Best Data Products
    RM 219.38
    or Best Offer
    RM 122.87 shipping
    P⁣⁣⁣T⁣ ⁣⁣⁣T⁣⁣6⁣ ⁣⁣⁣K⁣⁣⁣⁣⁣⁣C⁣⁣ ⁣⁣⁣6⁣H⁣⁣⁣
  • Best Data 56K External Modem Smart One V.92/V.44. Sealed, New. - Image 1 of 2

    Best Data 56K External Modem Smart One V.92/V.44. Sealed, New.

    Brand New · Best Data Products
    RM 63.55
    or Best Offer
    RM 127.44 shipping
    2⁣R⁣ ⁣⁣⁣⁣K⁣⁣4⁣ ⁣⁣⁣P⁣G⁣⁣⁣⁣ ⁣⁣Y⁣⁣⁣⁣Z⁣⁣⁣ ⁣⁣
  • best data 56k external fax modem - Image 1 of 2

    best data 56k external fax modem

    Brand New · Best Data Products
    RM 84.69
    or Best Offer
    RM 195.32 shipping
    6⁣M⁣⁣⁣⁣ ⁣6⁣⁣⁣⁣⁣⁣U⁣⁣ ⁣S⁣⁣⁣⁣⁣X⁣⁣⁣ ⁣K⁣Z⁣ ⁣7⁣
  • Best Data 56K Internal Modem Smart One V.92/V.44, PCI Slot - NEW - Image 1 of 4

    Best Data 56K Internal Modem Smart One V.92/V.44, PCI Slot - NEW

    New (Other) · Best Data Products
    RM 38.09
    or Best Offer
    RM 116.09 shipping
    ⁣⁣⁣⁣⁣8⁣G⁣ ⁣9⁣4⁣ ⁣Q⁣⁣U⁣⁣⁣ ⁣Z⁣⁣Q⁣ ⁣6⁣⁣J⁣⁣ ⁣O⁣⁣
  • Best Data - 2400X - Stand Alone Modem 2400/1200/300 bps - Image 1 of 3

    Best Data - 2400X - Stand Alone Modem 2400/1200/300 bps

    New (Other) · Best Data Products
    RM 177.90
    RM 402.24 shipping
    C⁣7⁣ ⁣⁣⁣R⁣⁣L⁣⁣ ⁣B⁣⁣L⁣⁣⁣⁣ ⁣L⁣⁣⁣⁣⁣⁣I⁣⁣⁣ ⁣2⁣
  • BEST DATA Products Inc. Smart One 2834FX Modem V.34 28,800 bps with Mac Software - Image 1 of 4

    BEST DATA Products Inc. Smart One 2834FX Modem V.34 28,800 bps with Mac Software

    Pre-Owned · Best Data Products
    RM 84.69
    or Best Offer
    RM 257.30 shipping
    Q⁣Q⁣⁣ ⁣⁣L⁣⁣⁣⁣3⁣ ⁣N⁣B⁣⁣⁣ ⁣F⁣⁣⁣⁣⁣⁣Y⁣ ⁣⁣R⁣U⁣⁣
  • Best Data 56K Internal Modem Smart One V.92/V.44, PCI Slot - NEW - Image 1 of 4

    Best Data 56K Internal Modem Smart One V.92/V.44, PCI Slot - NEW

    Brand New · Best Data Products
    RM 63.34
    or Best Offer
    RM 122.53 shipping
    ⁣Q⁣⁣⁣9⁣ ⁣⁣⁣0⁣⁣P⁣ ⁣⁣⁣S⁣9⁣ ⁣⁣V⁣⁣B⁣ ⁣⁣I⁣H⁣ ⁣⁣⁣
  • Best Data 56K Internal Modem Smart One V.92/V.44, PCI Slot - NEW - Image 1 of 2

    Best Data 56K Internal Modem Smart One V.92/V.44, PCI Slot - NEW

    Brand New · Best Data Products
    RM 42.16
    or Best Offer
    RM 108.21 shipping
    ⁣⁣E⁣⁣⁣⁣⁣⁣N⁣⁣ ⁣⁣⁣⁣N⁣⁣⁣X⁣ ⁣⁣G⁣⁣⁣⁣⁣T⁣⁣⁣
  • 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

26 results

Sort: Best Match

  • Best Match
  • Time: ending soonest
  • Time: newly listed
  • Price + Shipping: lowest first
  • Price + Shipping: highest first
  • Distance: nearest first
  • Brand: Best Data Products- Selected