Skip to main content
Free shipping available on orders $99 & up!
  • Business Icon For Business & More icon arrow
    • Creative, Production & PostCreative, Production & Post
    • Corporate & EnterpriseCorporate & Enterprise
    • Higher EducationHigher Education
    • State, Local & K-12 EducationState, Local & K-12 Education
    • House of WorshipHouse of Worship
    • Systems IntegratorSystems Integrator
    • HealthcareHealthcare
    • Federal, State & Local GovernmentFederal, State & Local Government
    • Join Today!

      Already registered? Sign In

  • Region: US/Intl icon arrow
    • Select your preferredcountry / region:
    • USA RegionUSA + International
    • Canada RegionOWC Canada

    • Experience local shipping options and optimized product inventory for your region.

  • Phone Icon1-800-275-4576
  • Intl: 1-815-338-8685
MacSales.com Powered By OWC
  • Blog
  • Support
  • Account
    • Hello, Sign In
    • My Account
    • Order Status
    • Write A Review
    • Warranty & Returns
  • Cart
MacSales.com Powered By OWC
  • Support
  • Chat Contact
  • Account
    • Hello, Sign In
    • My Account
    • Order Status
    • Write A Review
    • Warranty & Returns
  • Cart
  • Specials & Featured
  • Rocket Yard Blog
  • Chat
  • Support
      • Shop All
        • Internal Drives
        • External Drives
        • Apple & Macs
        • Docks & Connectivity
        • Cards & Readers
        • Batteries
        • Software & Apps
        • Cables & Adapters
        • Memory
        • PCIe Expansion
        • Specials & Featured
        Other World Computing - Accelerators - Sonnet

        Sonnet Accelerators
        Crescendo PCI G3&G4
        Encore ST/AGP
        Encore ZIF G3/G4
        Crescendo PCI G3&G4
        Encore ST/AGP
        Encore ZIF G3/G4
        Upgrade your older PCI Macintosh
        with a G3 or G4 processor
        Accelerate your G4 AGP system
        with a fast processor upgrade        !
        Jump start your Beige G3 or B&W G3
        with a new G3 or G4 processor
        Crescendo/PB
        TempoTrio & Tango
        Tempo
        Crescendo/PB
        TempoTrio & Tango
        Tempo
        Upgrade your PowerBook with
        faster G3 or G4 processor!
        Add FireWire & USB to your PCI Mac
        Ultra Fast ATA controller cards
        for PCI based Macs
        Crescendo NuBus G3
        Crescendo L2 G3
        HARMONi
        Crescendo NuBus G3
        Crescendo L2 G3
        HARMONi
        G3 processor upgrades for NuBus PowerMac 61/71/8100
        G3 processor upgrades for
        "Upgrade Challenged" PowerMacs
        Bring your Rev A-D iMac up to speed
        with a new processor and FireWire!

        Helpful Links
        • About Us
        • DIY Install Videos
        • Join our Affiliate Network
        • Where to Buy
        • Accessibility Statement
        • Sustainability is Good Business
        • Join the OWC Team
        • Media+Newsroom
        • Privacy Promise
        • MacSales.com for Business
        Join the OWC Newsletter

        Join hundreds-of-thousands of tech enthusiasts across the planet and gain access to specials, clearance, and holiday savings on the OWC upgrades, drives, and docks everyone loves.

        • bbb
        © 2000-2026 Other World Computing, Inc., All Rights Reserved. Site Terms Guest ID:
        Your Privacy Choices
        This item has been added to your cart