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4.0GB Apple-Major Brand
Factory Original Memory Upgrade Kit

4 x 2.0GB 667MHz DDR2 ECC FB-DIMM PC-5300 240 Pin
Memory Image
Product Specs:
  • Technology: DDR2 FB-DIMM
  • Density: 2GB (2048MB) per module
  • Depth: 128Mb
  • Width: x72
  • Pin Count: 240-pin
  • Op. Temp.: 0°C to +85°C
  • Data Rate: 667MHz
  • Speed: PC2-5300
  • CL: 5-5-5
  • Module Bandwidth: 5.3GB/s
  • Voltage: 1.8V
  • ECC: Yes
  • Fully Compliant with JEDEC specifications
  • RoHS Certified
  • Free Installation Videos & Manuals
  • Warranty Safe Upgrade.
  • 90 Day OWC Fulfilled Limited Warranty
  • Why do I need more RAM?
This product is compatible with... Learn how to find your Mac's model ID or PC specs
Mac Pro
Mac Pro (8-core)
(April, 2007)
Model ID: MacPro2,1
3.0GHz
Mac Pro
Mac Pro
(August, 2006)
Model ID: MacPro1,1
2.0GHz, 2.66GHz, 3.0GHz

Customer Ratings

Write a Review 5 / 5 1 out of 1 (100%) reviewers would recommend this product
Verified Buyer
Reviewer: Lawrol Location: St. Paul, MN Age: 55-65 Experience Level: Home User Owned Product: less than a month
Rating: 5/5 Works as advertised in my MacPro1,1 June 20, 2017 Bought this extra memory for my 2006 MacPro1,1 because I was upgrading it to be able to run El Capitan (yes, you need a modified OS to do this; I bought a modified El Capitan on a hard drive on eBay). Working like a champ.

I would recommend this item to a friend! Customer Videos:

Apple-Major Brand
Factory Original Memory Kit
4.0GB 667MHz DDR2 PC5300 FB-DIMM Mfr P/N: APL53FBD4GBPRus OWC SKU: APL53FBD4GBPRus Used, System Pulls, OWC Tested. 90 Day OWC Fulfilled Limited Warranty Ships: Same Day
Supply Limited: 4 available
Only $44.99Garage Sale Price $24.75
Add to CartApple APL53FBD4GBPRus In Stock, Click to Buy Now