| ![](/p.gif) |
![](/p.gif) |
| Item number: CIEN2-89889243 Manufacturer no.: OWC2666DDR4S64S EAN/GTIN: n/a |
| |
|
| ![](/p.gif) | ![](/p.gif) |
![](/p.gif) | IMPROVE SYSTEM SPEED OWC Memory is the most cost effective and simple DIY upgrade you can install to unleash your Mac or PC's full potential, and speed up overall responsiveness.
MORE APPS. MORE FILES Become a multi-tasking maven when you upgrade your Mac or PC with OWC Memory. Open more apps. Open larger files. Plus, work with multiple files all at the same time.
SAVE $$ VS FACTORY Save BIG vs factory memory options. Plus, select among options not offered by the factory. OWC makes it easy to find the perfect upgrade to fit your needs.
LAB TESTED COMPATIBILITY We test every OWC memory module at our in-house lab so you can upgrade with the confidence that your memory is built-to-last.
LIFETIME WARRANTY We built your OWC Memory upgrade to meet or exceed the toughest industry specs to provide years of worry-free service.
STEP-BY-STEP VIDEOS Our detailed install videos guide your upgrade from start to finish. We provide all the steps to make your OWC Memory upgrade DIY easy. More information: Features | Internal memory | 64 GB | ![](/p.gif) | Memory layout (modules x size) | 4 x 16 GB | ![](/p.gif) | Internal memory type | DDR4 | ![](/p.gif) | Memory clock speed | 2666 MHz | ![](/p.gif) | Component for | PC/Server | ![](/p.gif) | Memory form factor | 260-pin SO-DIMM | ![](/p.gif) | Buffered memory type | Unregistered (unbuffered) | ![](/p.gif) | CAS latency | 18 | ![](/p.gif) | Memory voltage | 1.2 V | Operational conditions | Operating temperature (T-T) | 0 - 85 °C |
|
| ![](/p.gif) | ![](/p.gif) |
![](/p.gif) | | ![](/p.gif) | ![](/p.gif) |
![](/p.gif) | Other search terms: DDR4 SODIMM, DDR4 RAM, DDR4 ECC-RAM, DDR4 RAM ECC, Notebook memory, Notebook memory module, Laptop memory, SODIMM, RAM ECC, ECC RAM, Server memory, Server memory module, Server memory modules, ddr4 ram sodimm, ddr ram, RAM, Random Access Memory, memory, ROM, DRAM, SDRAM, RDRAM, DDR, DDR2, EDO DRAM, EDO, DDR2-SDRAM, DDR-SDRAM, FPM RAM, FBDIMM, Boot Rom, ValueRAM, JetRAM, memory kit |
| ![](/p.gif) | ![](/p.gif) |
| |