Skip to content

Apple iMac Pro (Retina 5K, 27-inch, Late 2017) Memory RAM

Certified Compatible Memory (RAM) Upgrades for Apple iMac Pro (Retina 5K, 27-inch, Late 2017).
Apple Order Numbers MQ2Y2LL/A, BTO/CTO
Apple Model IDs iMacPro1,1
Apple Model Number A1862 (EMC 3144)
RAM Slots 4
Max RAM 256GB
  • Original price $153.98 - Original price $153.98
    Original price
    $153.98
    $153.98 - $153.98
    Current price $153.98

    128GB Kit (2x64GB) 4Rx4 DDR4 2666MHz (PC4-21300) LRDIMM

    In stock

    Upgrade Designed For Apple iMac Pro (Retina 5K, 27-inch, Late 2017) Apple Order No. BTO/CTO | 2.3GHz 18-Core Intel Xeon W-2191B BTO/CTO | 2.5...

    View full details
    Original price $153.98 - Original price $153.98
    Original price
    $153.98
    $153.98 - $153.98
    Current price $153.98
  • Original price $159.98 - Original price $159.98
    Original price
    $159.98
    $159.98 - $159.98
    Current price $159.98

    128GB Kit (2x64GB) 2S2Rx4 DDR4 2666MHz (PC4-21300) RDIMM

    In stock

    Upgrade Designed For Apple iMac Pro (Retina 5K, 27-inch, Late 2017) Apple Order No. BTO/CTO | 2.3GHz 18-Core Intel Xeon W-2191B BTO/CTO | 2.5...

    View full details
    Original price $159.98 - Original price $159.98
    Original price
    $159.98
    $159.98 - $159.98
    Current price $159.98
  • Original price $183.96 - Original price $183.96
    Original price
    $183.96
    $183.96 - $183.96
    Current price $183.96

    128GB Kit (4x32GB) 2Rx4 DDR4 2666MHz (PC4-21300) LRDIMM

    In stock

    Upgrade Designed For Apple iMac Pro (Retina 5K, 27-inch, Late 2017) Apple Order No. BTO/CTO | 2.3GHz 18-Core Intel Xeon W-2191B BTO/CTO | 2.5...

    View full details
    Original price $183.96 - Original price $183.96
    Original price
    $183.96
    $183.96 - $183.96
    Current price $183.96
  • Original price $179.96 - Original price $179.96
    Original price
    $179.96
    $179.96 - $179.96
    Current price $179.96

    128GB Kit (4x32GB) 2Rx4 DDR4 2666MHz (PC4-21300) RDIMM

    In stock

    Upgrade Designed For Apple iMac Pro (Retina 5K, 27-inch, Late 2017) Apple Order No. BTO/CTO | 2.3GHz 18-Core Intel Xeon W-2191B BTO/CTO | 2.5...

    View full details
    Original price $179.96 - Original price $179.96
    Original price
    $179.96
    $179.96 - $179.96
    Current price $179.96
  • Original price $24.99 - Original price $24.99
    Original price
    $24.99
    $24.99 - $24.99
    Current price $24.99

    16GB 1Rx4 DDR4 2666MHz (PC4-21300) RDIMM

    In stock

    Upgrade Designed For Apple iMac Pro (Retina 5K, 27-inch, Late 2017) Apple Order No. BTO/CTO | 2.3GHz 18-Core Intel Xeon W-2191B BTO/CTO | 2.5...

    View full details
    Original price $24.99 - Original price $24.99
    Original price
    $24.99
    $24.99 - $24.99
    Current price $24.99
  • Original price $32.99 - Original price $32.99
    Original price
    $32.99
    $32.99 - $32.99
    Current price $32.99

    16GB 2Rx4 DDR4 2666MHz (PC4-21300) RDIMM

    Low stock

    Upgrade Designed For Apple iMac Pro (Retina 5K, 27-inch, Late 2017) Apple Order No. BTO/CTO | 2.3GHz 18-Core Intel Xeon W-2191B BTO/CTO | 2.5...

    View full details
    Original price $32.99 - Original price $32.99
    Original price
    $32.99
    $32.99 - $32.99
    Current price $32.99
  • Original price $29.99 - Original price $29.99
    Original price
    $29.99
    $29.99 - $29.99
    Current price $29.99

    16GB 2Rx8 DDR4 2666MHz (PC4-21300) RDIMM

    In stock

    Upgrade Designed For Apple iMac Pro (Retina 5K, 27-inch, Late 2017) Apple Order No. BTO/CTO | 2.3GHz 18-Core Intel Xeon W-2191B BTO/CTO | 2.5...

    View full details
    Original price $29.99 - Original price $29.99
    Original price
    $29.99
    $29.99 - $29.99
    Current price $29.99
  • Original price $39.98 - Original price $39.98
    Original price
    $39.98
    $39.98 - $39.98
    Current price $39.98

    16GB Kit (2x8GB) 1Rx4 DDR4 2666MHz (PC4-21300) RDIMM

    In stock

    Upgrade Designed For Apple iMac Pro (Retina 5K, 27-inch, Late 2017) Apple Order No. BTO/CTO | 2.3GHz 18-Core Intel Xeon W-2191B BTO/CTO | 2.5...

    View full details
    Original price $39.98 - Original price $39.98
    Original price
    $39.98
    $39.98 - $39.98
    Current price $39.98
  • Original price $31.98 - Original price $31.98
    Original price
    $31.98
    $31.98 - $31.98
    Current price $31.98

    16GB Kit (2x8GB) 1Rx8 DDR4 2666MHz (PC4-21300) RDIMM

    In stock

    Upgrade Designed For Apple iMac Pro (Retina 5K, 27-inch, Late 2017) Apple Order No. BTO/CTO | 2.3GHz 18-Core Intel Xeon W-2191B BTO/CTO | 2.5...

    View full details
    Original price $31.98 - Original price $31.98
    Original price
    $31.98
    $31.98 - $31.98
    Current price $31.98
  • Original price $33.98 - Original price $33.98
    Original price
    $33.98
    $33.98 - $33.98
    Current price $33.98

    16GB Kit (2x8GB) 2Rx8 DDR4 2666MHz (PC4-21300) RDIMM

    In stock

    Upgrade Designed For Apple iMac Pro (Retina 5K, 27-inch, Late 2017) Apple Order No. BTO/CTO | 2.3GHz 18-Core Intel Xeon W-2191B BTO/CTO | 2.5...

    View full details
    Original price $33.98 - Original price $33.98
    Original price
    $33.98
    $33.98 - $33.98
    Current price $33.98
  • Original price $47.96 - Original price $47.96
    Original price
    $47.96
    $47.96 - $47.96
    Current price $47.96

    16GB Kit (4x4GB) 1Rx8 DDR4 2666MHz (PC4-21300) RDIMM

    In stock

    Upgrade Designed For Apple iMac Pro (Retina 5K, 27-inch, Late 2017) Apple Order No. BTO/CTO | 2.3GHz 18-Core Intel Xeon W-2191B BTO/CTO | 2.5...

    View full details
    Original price $47.96 - Original price $47.96
    Original price
    $47.96
    $47.96 - $47.96
    Current price $47.96
  • Original price $307.96 - Original price $307.96
    Original price
    $307.96
    $307.96 - $307.96
    Current price $307.96

    256GB Kit (4x64GB) 4Rx4 DDR4 2666MHz (PC4-21300) LRDIMM

    In stock

    Upgrade Designed For Apple iMac Pro (Retina 5K, 27-inch, Late 2017) Apple Order No. BTO/CTO | 2.3GHz 18-Core Intel Xeon W-2191B BTO/CTO | 2.5...

    View full details
    Original price $307.96 - Original price $307.96
    Original price
    $307.96
    $307.96 - $307.96
    Current price $307.96
  • Original price $319.96 - Original price $319.96
    Original price
    $319.96
    $319.96 - $319.96
    Current price $319.96

    256GB Kit (4x64GB) 2S2Rx4 DDR4 2666MHz (PC4-21300) RDIMM

    In stock

    Upgrade Designed For Apple iMac Pro (Retina 5K, 27-inch, Late 2017) Apple Order No. BTO/CTO | 2.3GHz 18-Core Intel Xeon W-2191B BTO/CTO | 2.5...

    View full details
    Original price $319.96 - Original price $319.96
    Original price
    $319.96
    $319.96 - $319.96
    Current price $319.96
  • Original price $45.99 - Original price $45.99
    Original price
    $45.99
    $45.99 - $45.99
    Current price $45.99

    32GB 2Rx4 DDR4 2666MHz (PC4-21300) LRDIMM

    In stock

    Upgrade Designed For Apple iMac Pro (Retina 5K, 27-inch, Late 2017) Apple Order No. BTO/CTO | 2.3GHz 18-Core Intel Xeon W-2191B BTO/CTO | 2.5...

    View full details
    Original price $45.99 - Original price $45.99
    Original price
    $45.99
    $45.99 - $45.99
    Current price $45.99
  • Original price $44.99 - Original price $44.99
    Original price
    $44.99
    $44.99 - $44.99
    Current price $44.99

    32GB 2Rx4 DDR4 2666MHz (PC4-21300) RDIMM

    In stock

    Upgrade Designed For Apple iMac Pro (Retina 5K, 27-inch, Late 2017) Apple Order No. BTO/CTO | 2.3GHz 18-Core Intel Xeon W-2191B BTO/CTO | 2.5...

    View full details
    Original price $44.99 - Original price $44.99
    Original price
    $44.99
    $44.99 - $44.99
    Current price $44.99
  • Original price $49.98 - Original price $49.98
    Original price
    $49.98
    $49.98 - $49.98
    Current price $49.98

    32GB Kit (2x16GB) 1Rx4 DDR4 2666MHz (PC4-21300) RDIMM

    In stock

    Upgrade Designed For Apple iMac Pro (Retina 5K, 27-inch, Late 2017) Apple Order No. BTO/CTO | 2.3GHz 18-Core Intel Xeon W-2191B BTO/CTO | 2.5...

    View full details
    Original price $49.98 - Original price $49.98
    Original price
    $49.98
    $49.98 - $49.98
    Current price $49.98
  • Original price $65.98 - Original price $65.98
    Original price
    $65.98
    $65.98 - $65.98
    Current price $65.98

    32GB Kit (2x16GB) 2Rx4 DDR4 2666MHz (PC4-21300) RDIMM

    In stock

    Upgrade Designed For Apple iMac Pro (Retina 5K, 27-inch, Late 2017) Apple Order No. BTO/CTO | 2.3GHz 18-Core Intel Xeon W-2191B BTO/CTO | 2.5...

    View full details
    Original price $65.98 - Original price $65.98
    Original price
    $65.98
    $65.98 - $65.98
    Current price $65.98
  • Original price $59.98 - Original price $59.98
    Original price
    $59.98
    $59.98 - $59.98
    Current price $59.98

    32GB Kit (2x16GB) 2Rx8 DDR4 2666MHz (PC4-21300) RDIMM

    In stock

    Upgrade Designed For Apple iMac Pro (Retina 5K, 27-inch, Late 2017) Apple Order No. BTO/CTO | 2.3GHz 18-Core Intel Xeon W-2191B BTO/CTO | 2.5...

    View full details
    Original price $59.98 - Original price $59.98
    Original price
    $59.98
    $59.98 - $59.98
    Current price $59.98
  • Original price $79.96 - Original price $79.96
    Original price
    $79.96
    $79.96 - $79.96
    Current price $79.96

    32GB Kit (4x8GB) 1Rx4 DDR4 2666MHz (PC4-21300) RDIMM

    In stock

    Upgrade Designed For Apple iMac Pro (Retina 5K, 27-inch, Late 2017) Apple Order No. BTO/CTO | 2.3GHz 18-Core Intel Xeon W-2191B BTO/CTO | 2.5...

    View full details
    Original price $79.96 - Original price $79.96
    Original price
    $79.96
    $79.96 - $79.96
    Current price $79.96
  • Original price $63.96 - Original price $63.96
    Original price
    $63.96
    $63.96 - $63.96
    Current price $63.96

    32GB Kit (4x8GB) 1Rx8 DDR4 2666MHz (PC4-21300) RDIMM

    In stock

    Upgrade Designed For Apple iMac Pro (Retina 5K, 27-inch, Late 2017) Apple Order No. BTO/CTO | 2.3GHz 18-Core Intel Xeon W-2191B BTO/CTO | 2.5...

    View full details
    Original price $63.96 - Original price $63.96
    Original price
    $63.96
    $63.96 - $63.96
    Current price $63.96
  • Original price $67.96 - Original price $67.96
    Original price
    $67.96
    $67.96 - $67.96
    Current price $67.96

    32GB Kit (4x8GB) 2Rx8 DDR4 2666MHz (PC4-21300) RDIMM

    In stock

    Upgrade Designed For Apple iMac Pro (Retina 5K, 27-inch, Late 2017) Apple Order No. BTO/CTO | 2.3GHz 18-Core Intel Xeon W-2191B BTO/CTO | 2.5...

    View full details
    Original price $67.96 - Original price $67.96
    Original price
    $67.96
    $67.96 - $67.96
    Current price $67.96
  • Original price $11.99 - Original price $11.99
    Original price
    $11.99
    $11.99 - $11.99
    Current price $11.99

    4GB 1Rx8 DDR4 2666MHz (PC4-21300) RDIMM

    Low stock

    Upgrade Designed For Apple iMac Pro (Retina 5K, 27-inch, Late 2017) Apple Order No. BTO/CTO | 2.3GHz 18-Core Intel Xeon W-2191B BTO/CTO | 2.5...

    View full details
    Original price $11.99 - Original price $11.99
    Original price
    $11.99
    $11.99 - $11.99
    Current price $11.99
  • Original price $76.99 - Original price $76.99
    Original price
    $76.99
    $76.99 - $76.99
    Current price $76.99

    64GB 4Rx4 DDR4 2666MHz (PC4-21300) LRDIMM

    In stock

    Upgrade Designed For Apple iMac Pro (Retina 5K, 27-inch, Late 2017) Apple Order No. BTO/CTO | 2.3GHz 18-Core Intel Xeon W-2191B BTO/CTO | 2.5...

    View full details
    Original price $76.99 - Original price $76.99
    Original price
    $76.99
    $76.99 - $76.99
    Current price $76.99
  • Original price $79.99 - Original price $79.99
    Original price
    $79.99
    $79.99 - $79.99
    Current price $79.99

    64GB 2S2Rx4 DDR4 2666MHz (PC4-21300) RDIMM

    In stock

    Upgrade Designed For Apple iMac Pro (Retina 5K, 27-inch, Late 2017) Apple Order No. BTO/CTO | 2.3GHz 18-Core Intel Xeon W-2191B BTO/CTO | 2.5...

    View full details
    Original price $79.99 - Original price $79.99
    Original price
    $79.99
    $79.99 - $79.99
    Current price $79.99
  • Original price $91.98 - Original price $91.98
    Original price
    $91.98
    $91.98 - $91.98
    Current price $91.98

    64GB Kit (2x32GB) 2Rx4 DDR4 2666MHz (PC4-21300) LRDIMM

    In stock

    Upgrade Designed For Apple iMac Pro (Retina 5K, 27-inch, Late 2017) Apple Order No. BTO/CTO | 2.3GHz 18-Core Intel Xeon W-2191B BTO/CTO | 2.5...

    View full details
    Original price $91.98 - Original price $91.98
    Original price
    $91.98
    $91.98 - $91.98
    Current price $91.98
  • Original price $89.98 - Original price $89.98
    Original price
    $89.98
    $89.98 - $89.98
    Current price $89.98

    64GB Kit (2x32GB) 2Rx4 DDR4 2666MHz (PC4-21300) RDIMM

    In stock

    Upgrade Designed For Apple iMac Pro (Retina 5K, 27-inch, Late 2017) Apple Order No. BTO/CTO | 2.3GHz 18-Core Intel Xeon W-2191B BTO/CTO | 2.5...

    View full details
    Original price $89.98 - Original price $89.98
    Original price
    $89.98
    $89.98 - $89.98
    Current price $89.98
  • Original price $99.96 - Original price $99.96
    Original price
    $99.96
    $99.96 - $99.96
    Current price $99.96

    64GB Kit (4x16GB) 1Rx4 DDR4 2666MHz (PC4-21300) RDIMM

    In stock

    Upgrade Designed For Apple iMac Pro (Retina 5K, 27-inch, Late 2017) Apple Order No. BTO/CTO | 2.3GHz 18-Core Intel Xeon W-2191B BTO/CTO | 2.5...

    View full details
    Original price $99.96 - Original price $99.96
    Original price
    $99.96
    $99.96 - $99.96
    Current price $99.96
  • Original price $131.96 - Original price $131.96
    Original price
    $131.96
    $131.96 - $131.96
    Current price $131.96

    64GB Kit (4x16GB) 2Rx4 DDR4 2666MHz (PC4-21300) RDIMM

    In stock

    Upgrade Designed For Apple iMac Pro (Retina 5K, 27-inch, Late 2017) Apple Order No. BTO/CTO | 2.3GHz 18-Core Intel Xeon W-2191B BTO/CTO | 2.5...

    View full details
    Original price $131.96 - Original price $131.96
    Original price
    $131.96
    $131.96 - $131.96
    Current price $131.96
  • Original price $119.96 - Original price $119.96
    Original price
    $119.96
    $119.96 - $119.96
    Current price $119.96

    64GB Kit (4x16GB) 2Rx8 DDR4 2666MHz (PC4-21300) RDIMM

    In stock

    Upgrade Designed For Apple iMac Pro (Retina 5K, 27-inch, Late 2017) Apple Order No. BTO/CTO | 2.3GHz 18-Core Intel Xeon W-2191B BTO/CTO | 2.5...

    View full details
    Original price $119.96 - Original price $119.96
    Original price
    $119.96
    $119.96 - $119.96
    Current price $119.96
  • Original price $19.99 - Original price $19.99
    Original price
    $19.99
    $19.99 - $19.99
    Current price $19.99

    8GB 1Rx4 DDR4 2666MHz (PC4-21300) RDIMM

    In stock

    Upgrade Designed For Apple iMac Pro (Retina 5K, 27-inch, Late 2017) Apple Order No. BTO/CTO | 2.3GHz 18-Core Intel Xeon W-2191B BTO/CTO | 2.5...

    View full details
    Original price $19.99 - Original price $19.99
    Original price
    $19.99
    $19.99 - $19.99
    Current price $19.99
  • Original price $15.99 - Original price $15.99
    Original price
    $15.99
    $15.99 - $15.99
    Current price $15.99

    8GB 1Rx8 DDR4 2666MHz (PC4-21300) RDIMM

    In stock

    Upgrade Designed For Apple iMac Pro (Retina 5K, 27-inch, Late 2017) Apple Order No. BTO/CTO | 2.3GHz 18-Core Intel Xeon W-2191B BTO/CTO | 2.5...

    View full details
    Original price $15.99 - Original price $15.99
    Original price
    $15.99
    $15.99 - $15.99
    Current price $15.99
  • Original price $16.99 - Original price $16.99
    Original price
    $16.99
    $16.99 - $16.99
    Current price $16.99

    8GB 2Rx8 DDR4 2666MHz (PC4-21300) RDIMM

    In stock

    Upgrade Designed For Apple iMac Pro (Retina 5K, 27-inch, Late 2017) Apple Order No. BTO/CTO | 2.3GHz 18-Core Intel Xeon W-2191B BTO/CTO | 2.5...

    View full details
    Original price $16.99 - Original price $16.99
    Original price
    $16.99
    $16.99 - $16.99
    Current price $16.99
  • Original price $23.98 - Original price $23.98
    Original price
    $23.98
    $23.98 - $23.98
    Current price $23.98

    8GB Kit (2x4GB) 1Rx8 DDR4 2666MHz (PC4-21300) RDIMM

    Low stock

    Upgrade Designed For Apple iMac Pro (Retina 5K, 27-inch, Late 2017) Apple Order No. BTO/CTO | 2.3GHz 18-Core Intel Xeon W-2191B BTO/CTO | 2.5...

    View full details
    Original price $23.98 - Original price $23.98
    Original price
    $23.98
    $23.98 - $23.98
    Current price $23.98