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HOME → Mac Pro PARTS → Mac Pro Memory
Order No:   RAM-56851-N
Where Used:
12GB Memory Upgrade Kit :
3 x 4GB DDR3-1066 (PC3-8500) CL7 1.5v 240 Pin ECC DIMMs.

For Mac Pro 8-core 2.26GHz, 2.66GHz and 2.93GHz Intel Xeon; and Mac Pro Quad-Core 2.66GHz, 2.93GHz and 3.33GHz Intel Xeon (Early 2009).
Type of Sale:
This is a new part.
Warranty:
LIFETIME

Price
$102.00
Qty.

Mac Pro (Early 2009) : 12GB (3x4GB)  Memory Upgrade Kit (new)
DDR3 DIMM (sample image)
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Product ID:
Primary ID No:: Apple Order No
Model No:
Model Identifier,
EMC No:
Printed on the Part: EEE Code:
Major Apple components have their own unique serial number which has the format "xxxxxxxXXXx", where "XXX" equals the EEE code. This code provides foolproof identification of this part. (what's this?)
MP1066K12-3x4 MB535LL/A, MB871LL/A, MacPro4,1 MacPro4,1
Additional Notes:
Quad-Core 2.66GHz/2.93GHz/3.33GHz; 8-Core 2.26GHz/2.66GHz/2.93GHz
based on Intel Nehalem Processor (Early 2009) . .
Uses 240-pin PC2-8500 (1066MHz) DDR3 ECC DIMMs with thermal heat sensor.

- Maximum memory is 32GB.
- Housed on two Memory Riser cards - four expansion slots per card/8 slots total.
- Can use 1GB, 2GB & 4GB DIMMs.
- Install in matched groups of three for maximum performance:
. . . uses triple channel DDR3 memory management .
- Memory management defaults to double-channel for all other configurations.
- Install in matched pairs for maximum amount of installable memory:
. . . defaults back to double channel memory management.

* Actual kits may be manufactured by Samsung, Micron, Hynix (Hyundai) or other Class A manufacturers. Regardless of their source all modules are manufactured using an Apple licensed heat-sink/ heat-sensor, and are guaranteed to work in your system.

Ways to identify your Mac and the parts associated with it, follow these general guidelines:

Your computer's Model Identifier and Serial Number are provided in About This Mac under the Apple Menu.
Apple Model Numbers are listed on the sales invoice and printed on the computer's shipping box. Apple Laptops also have their model number printed on the bottom of the case up by the hinges.
Mfg. ID Numbers are printed on the part itself.
EEE Code click on the "what's this?" link located by the EEE field name on each product's listing page.

ALSO: See the introductory overviews on individual product pages for model-specific tips and insights.

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