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8.0GB OWC Memory Upgrade Kit

Used | OWC Tested

2 x 4.0GB PC8500 DDR3 1066MHz 204 Pin
Memory Image
Product Specs:
  • Technology: DDR3 SDRAM
  • Density: 4GB (4096MB)
  • RoHS: Yes
  • Pin Count: 204-pin
  • Op. Temp.: 0C to +85C
  • Data Rate: DDR3-1066
  • Speed: PC3-8500
  • CL: CL = 7
  • Cycle Time: 1.875ns
  • Voltage: 1.5V
  • ECC: Non ECC
  • Module Ranks: Dual Rank
  • Register: Non Parity
  • Low Noise 8-Layer PCB
  • Meets and/or Exceeds Apple/Intel Specifications
  • Fully compliant with JEDEC specifications
  • Free Installation Videos & Manuals
  • Warranty Safe Upgrade.
  • Why do I need more RAM?
Memory Trade in
Save money by trading in your original chips! View available memory rebates.
From the purchase date of qualifying memory from OWC, you have 60 days to trade-in your old memory for a cash rebate!
Just fill out OWC's online rebate form or contact OWC Customer Service after you receive and install your new memory.
This OWC Memory is compatible with... Learn how to find your Mac's model ID or PC specs
MacBook White Unibody
MacBook (Mid 2010)
(May, 2010)
Model ID: MacBook7,1
2.4GHz
MacBook White Unibody
MacBook (Late 2009)
(October, 2009)
Model ID: MacBook6,1
2.26Ghz
MacBook Unibody
MacBook (Late 2008)
(October, 2008)
Model ID: MacBook5,1
2.0GHz, 2.4GHz
MacBook Pro Unibody
MacBook Pro (17-inch Mid 2010)
(April, 2010)
Model ID: MacBookPro6,1
2.53GHz, 2.66GHz, 2.8GHz
MacBook Pro Unibody
MacBook Pro (17-inch Mid 2009)
(June, 2009)
Model ID: MacBookPro5,2
2.8GHz, 3.06GHz
MacBook Pro Unibody
MacBook Pro (17-inch Early 2009)
(January, 2009)
Model ID: MacBookPro5,2
2.66GHz, 2.93GHz
MacBook Pro Unibody
MacBook Pro (15-inch Mid 2010)
(April, 2010)
Model ID: MacBookPro6,2
2.4GHz, 2.53GHz, 2.66GHz, 2.8GHz
MacBook Pro Unibody
MacBook Pro (15-inch Mid 2009)
(June, 2009)
Model ID: MacBookPro5,4
2.53GHz
MacBook Pro Unibody
MacBook Pro (15-inch Mid 2009)
(June, 2009)
Model ID: MacBookPro5,3
2.66GHz, 2.8GHz, 3.06GHz
MacBook Pro Unibody
MacBook Pro (15-inch Early 2009)
(March, 2009)
Model ID: MacBookPro5,1
2.66GHz 2.93GHz
MacBook Pro Unibody
MacBook Pro (15-inch Late 2008)
(October, 2008)
Model ID: MacBookPro5,1
2.4GHz, 2.53GHz, 2.66GHz 2.8GHz
MacBook Pro Unibody
MacBook Pro (13-inch Mid 2010)
(April, 2010)
Model ID: MacBookPro7,1
2.4GHz, 2.66GHz
MacBook Pro Unibody
MacBook Pro (13-inch Mid 2009)
(June, 2009)
Model ID: MacBookPro5,5
2.26GHz, 2.53GHz
iMac Intel
iMac (27-inch Late 2009)
(October, 2009)
Model ID: iMac10,1; iMac11,1
2.66GHz, 2.8GHz, 3.06GHz, 3.33GHz
iMac Intel
iMac (24-inch Early 2009)
(March, 2009)
Model ID: iMac9,1
2.66GHz, 2.93GHz, 3.06GHz
iMac Intel
iMac (21.5-inch Late 2009)
(October, 2009)
Model ID: iMac10,1
3.06GHz, 3.33GHz
iMac Intel
iMac (20-inch Early 2009)
(March, 2009)
Model ID: iMac9,1
2.66GHz
Mac mini Intel
Mac mini (Mid 2010)
(June, 2010)
Model ID: Macmini4,1
2.4GHz, 2.66GHz
Mac mini Intel
Mac mini (Mid 2010 Server)
(June, 2010)
Model ID: Macmini4,1
2.66GHz
Mac mini Intel
Mac mini (Late 2009)
(October, 2009)
Model ID: Macmini3,1
2.26GHz, 2.53GHz, 2.66GHz
Mac mini Intel
Mac mini (Late 2009 Server)
(October, 2009)
Model ID: Macmini3,1
2.53GHz
Mac mini Intel
Mac mini (Early 2009)
(March, 2009)
Model ID: Macmini3,1
2.0GHz, 2.26GHz
PC Laptop
PC Laptops
Compatible with Intel / AMD Process based PCs capable with the specifications listed above. Memory complies with JEDEC Specifications, document JESD79-3B.

Customer Ratings

Write a Review 5 / 5 2 out of 2 (100%) reviewers would recommend this product
Verified Buyer
Reviewer: RichardNixon Location: Watergate, DC Age: Over 65 Experience Level: Home User Owned Product: over 6 months
Rating: 5/5 Perfect! November 8, 2016 Easy to install. Perfect fit. The 27" iMac (Model 11.1) runs faster after the RAM upgrade

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

Verified Buyer
Reviewer: Anonymous Location: Queens, NY Age: 45-54 Experience Level: Power User Owned Product: 1-3 months
Rating: 5/5 Clear improvement on performance November 11, 2015 OWC Ram always works well in a mac; speed and performance boost very evident. Thank you OWC

I would recommend this item to a friend!

OWC Memory 8.0GB 2 x 4.0GB PC8500 DDR3 Mfr P/N: OWU1066DDR3S08U OWC SKU: OWU1066DDR3S08U OWC Memory Upgrade Kit 1 Year OWC Limited Warranty Ships: Same Day
Limited Stock: Limit 1 per Customer
Supply Limited: 1 available
only $64.75
Add to CartOther World Computing OWU1066DDR3S08U In Stock, Click to Buy Now