OWC, 128GB, PC23400, DDR4, ECC, Set (2 x 64GB), 2933MHz, 288-pin, LRDIMM, Memory Upgrade

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Boost your supported Mac Pro's performance with the 128GB DDR4 2933 MHz LR-DIMM Memory Upgrade Kit from OWC / Other World Computing. Delivering speeds up to 2933 MHz, this 2 x 64GB kit is a memory upgrade designed to improve your computer's start-up times, overall responsiveness, and ability to handle data-intensive applications. ECC (Error-correcting code) technology enables the modules to detect and correct the most common kinds of internal data corruption. The modules are buffered, feature a CAS latency of 21 and a power rating of 1.2V, and work on systems with 288-pin DIMM slots and a DDR4-enabled chip.Note: Do not mix R-DIMMs and LR-DIMMs. Mixing R-DIMMs and LR-DIMMs will result in a memory error flash of the status indicator light when you turn on the Mac Pro.

  • Total Capacity: 128GB
  • Kit Modules: 2 x 64GB modules
  • RoHS Compliant: Yes
  • Data Rate: 2933MT/s
  • I/O Clock Speed: 1467MHz
  • Registration: Registered
  • Error Correction: ECC
  • Cycle Time: 8-20 ns
  • Form Factor: RDIMM
  • Type of Memory: DDR4
  • PC Speed: 23400
  • Timing: CAS = 21.0
  • Full Parameters: 21-21-21-32
  • Bandwidth: 23.4GB/s
  • Pin Count: 288-pin
  • Chip Architecture: 8192M x 72
  • Printed Circuit Board Type: Low noise 8-layer PCB
  • Ambient Temperature: Operating: 32°F to 185°F (0°C to 85°C)
Product Specs
Box Dimensions (LxWxH)7 x 5 x 1.25
WarrantyLifetime OWC Limited Warranty


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Most unopened items sold by Melrose Inc. in new condition and returned within 30 days will receive a refund or exchange. The return window for items sold online begins once the order has been invoiced. Invoicing happens when any part of the order is shipped, delivered by a courier service or made ready for pick up. See full Return Policy.