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48GB OWC Memory Upgrade Kit
3 x 16GB PC8500 DDR3 ECC-R 1066MHz DIMMs for Mac Pro 'Nehalem' & 'Westmere' 4-Core and 8-Core (all 2009 and later Mac Pro models). May Not be mixed with other modules - see description
Mfr P/N: 8566D3Q16M48 OWC SKU: OWC8566D3Q16M48
Memory Built by Mac People, for Mac People (and PC too), for Over 30 Years
- Memory is the most cost-effective DIY upgrade you can make to your Mac or PC.
- Unleash the true speed and performance of your system and applications.
- Experience increased efficiency and productivity. Open more apps and files, all at the same time.
- Warranty Safe Upgrade
- Free step-by-step installation videos
- Why do I need more Memory?
- Lifetime OWC Limited Warranty
- OWC p/n OWC8566D3MPQ16GB 16GB modules require that all installed modules be of this same matching part. Other existing Apple or 3rd party 1GB, 2GB, 4GB and 8GB modules are not supported for use with this kit and need to be removed when this kit is added.
- 48GB is the maximum and only OWC Certified & Recommended 16GB Module based config for 4-Core and 6-Core Mac Pro models. Although other memory configurations are possible, these provide maximum performance. Other memory configurations utilizing this OWC 16GB module are NOT supported for these Mac Pro models and use of such may result in impaired system performance.
Trade In Your Original Memory and SAVE!
Within 60 days from the purchase date of qualifying OWC memory, you can choose to trade in your old memory for a cash rebate! Learn More »
Overview
OWC Memory. Built for Macs + PCs.
Experience your computer's true performance potential.
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.
Experience the OWC Difference
Rely on the trusted name for memory upgrades, drives and accessories for over 30 years. Your OWC Memory upgrade was built by Mac and PC people, for Mac and PC people. Our expert support team is always a call or click away. You can talk to an actual human who will kindly provide advice and guidance for any questions you may have.
Being helpful and treating others the way you would want to be treated is not just a novel idea. It’s how we do business. It's how we’re built. It's what we’ve been doing since 1988.
Includes
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- (3) 16GB PC8500 1066MHz DDR3 DIMM memory modules
- Lifetime OWC Limited Warranty
Specs
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Data Rate
- 1066MT/s
I/O Clock Speed
- 533MHz
Registration
- Registered
Error Correction
- ECC
Cycle Time
- 1.875 ns
Form Factor
- DIMM
Type of Memory
- DDR3
PC Speed
- 8500
Timing
- CAS = 7.0
- Full Parameters: 7-7-7-20
Bandwidth
- 8.5GB/s
JEDEC
- Fully compliant with JEDEC specifications
Capacity
- 48GB
Voltage
- 1.5 Volts
Pin Count
- 240-pin
Printed Circuit Board Type
- Low noise 8-layer PCB
RoHS Compliant
- Yes
- Operating: 32°F to 185°F (0°C to 85°C)
Compatibility & Installation Videos
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Mac Pro
PC Compatible
