Name: 4.0GB PC-5300 DDR2 667MHz SO-DIMM 200 Pin Memory Upgrade Module
SKU: OWC5300DDR2S4GB
Price: 93.99 USD
Availability: InStock

4.0GB OWC Memory Upgrade Module

4.0GB PC5300 DDR2 667MHz 200 Pin

OWC Memory Lifetime Limited Warranty including the OWC Lifetime Advanced Replacement Program | 30 Day Money Back Guarantee

Product Specs:

Size: 4.0GB
Technology: DDR2 SDRAM
RoHS: Yes
Pin Count: 200-pin
Op. Temp.: 0C to +85C
Data Rate: 667 MT/s
Speed: PC2-5300
CL: CL = 5
Voltage: 1.8V
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.
OWC Memory Lifetime Limited Warranty including the OWC Lifetime Advanced Replacement Program
Why do I need more RAM?

OWC Memory fully meets Apple's specifications with special attention to proper thermal specifications.

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.

- Please allow up to 14 Days from the time we receive your memory for testing and rebate processing.
- The OWC Rebate is for up to the same number of memory modules purchased and must be in working order.

This OWC Memory is compatible with... Learn how to find your Mac's model ID or PC specs

MacBook (Early 2009)

(January, 2009)

Model ID: MacBook5,2

2.0GHz

Detailed specs

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MacBook (Late 2008)

(October, 2008)

Model ID: MacBook4,1

2.1GHz

Install Videos

MacBook (Early 2008)

(February, 2008)

Model ID: MacBook4,1

2.1GHz, 2.4GHz

Detailed specs

Install Videos

MacBook (Late 2007)

(November, 2007)

Model ID: MacBook3,1

2.0GHz, 2.2GHz

Detailed specs

Install Videos

MacBook Pro (17-inch Late 2008)

(October, 2008)

Model ID: MacBookPro4,1

2.5GHz, 2.6GHz

Install Videos

MacBook Pro (17-inch Early 2008)

(February, 2008)

Model ID: MacBookPro4,1

2.5GHz, 2.6GHz

Detailed specs

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MacBook Pro (17-inch Mid/Late 2007)

(June, 2007)

Model ID: MacBookPro3,1

2.4GHz, 2.6GHz

Detailed specs

Install Videos

MacBook Pro (17-inch Core 2 Duo)

(October, 2006)

Model ID: MacBookPro2,1

2.33GHz

Install Videos

MacBook Pro (15-inch Early 2008)

(February, 2008)

Model ID: MacBookPro4,1

2.4GHz, 2.5GHz, 2.6GHz

Detailed specs

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MacBook Pro (15-inch Mid/Late 2007)

(June, 2007)

Model ID: MacBookPro3,1

2.2GHz, 2.4GHz, 2.6GHz

Detailed specs

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MacBook Pro (15-inch Core 2 Duo)

(October, 2006)

Model ID: MacBookPro2,2

2.16GHz, 2.33GHz

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iMac (24-inch Mid 2007)

(August, 2007)

Model ID: iMac7,1

2.4GHz, 2.8GHz

Detailed specs

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iMac (20-inch Mid 2007)

(August, 2007)

Model ID: iMac7,1

2.0GHz, 2.4GHz

Detailed specs

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PC Laptops

Compatible with Intel / AMD Process based PCs capable with the specifications listed above. Memory complies with JEDEC Specifications, document JESD79-3B.

Reviews

"My 7+ year old iMac now functions beautifully with much faster response time ..." — Stan Wild, MaUse

Customer Ratings

Write a Review 4.9 / 5 41 out of 42 (98%) reviewers would recommend this product

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Verified Buyer

Reviewer: Tygepc Location: Kansas Age: 25-34 Experience Level: Home User Owned Product: less than a month

Rating: 5/5 Just what I needed! March 22, 2017 It's so wonderful to have more memory so I can do more with my computer. This works just as needed and was a real lifesaver. I'm glad I finally found what I was looking for. Thank you.

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

Verified Buyer

Reviewer: BeachKing Location: Janesville, WI Age: 55-65 Experience Level: Power User Owned Product: 1-3 months

Rating: 5/5 Speed Boost January 18, 2017 I have an older 17" MacBook Pro 2007 and its been slowing down. I love the wide screen, and did not want to update to the newer 15" model. Up until now, it would only take (2) 2GB memory modules (4GB total). By adding one new 4GB module I now have 6GB memory. The speed has increased considerably, its like getting a new computer for a fraction of the cost of a new MacBook Pro. Plus, I get to keep my wide 17" screen. Thank you OWC!

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

Verified Buyer

Reviewer: TWBaskins Location: Boston, MA Age: 55-65 Experience Level: Home User Owned Product: 1-3 months

Rating: 5/5 Mechanical HD to SSD - Seamless & Simple November 15, 2016 OWC has got their world class support down to a science. Strongly recommend that the user first map out, step by step, how they plan to make the transition beginning obvioulsy with a complete back up of their hard drive. Since SSD's come unformatted, users owe it to themselves to learn the procedures in advance by anticipating next steps. Take your time - slower is better and utilize OWC's instructional video on a tablet/smartphone pausing it as you proceed through the process. I used Time Machine for my back-up and reinstall. My mid 2007 iMac with maximum memory and now a 4GB SSD should get me at least another few years before shelling out thousands for a new computer.

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

Verified Buyer

Reviewer: Anonymous Location: new york Age: Over 65 Experience Level: Home User Owned Product: 1-3 months

Rating: 5/5 Works perfectly. June 16, 2016 The memory works perfectly, It is an older Mac and it is hard to find memory for it. OWC had it, shipped it, and the videos to install it worked perfectly. Thank you!

I would recommend this item to a friend!

Verified Buyer

Reviewer: Anonymous Location: Saratoga, CA Age: 55-65 Experience Level: Power User Owned Product: 3-4 months

Rating: 5/5 6 GB upgrade for mid-2007 iMac May 9, 2016 This 4GB memory upgrade (replaced a 2GB module) breathed some new life into this 8 year old iMac. Latest OS upgrade seemed to increase memory pressure (displayed with admin app), so more memory was indicated. Easy as pie - recommended product ordering at OWC, fast delivery, and easy install. Price is high for a 4GB module - price you pay for access to obsolete memory technology.

I would recommend this item to a friend!

Verified Buyer

Reviewer: Anonymous Location: Kansas City, MO Age: 35-44 Experience Level: Power User Owned Product: over 6 months

Rating: 5/5 Very Satisfied Customer April 27, 2016 I don't write many reviews, as I feel it the responsibility of the companies to advertise. However, I had to make an exception for MacSales. I bought memory for my (now ancient by computer age standards) 2008 MacPro about seven years ago and never had a problem until last month when one RAM chip went bad. I tried to find my original email receipt, but couldn't locate it. Thinking it would be a lost cause, I contacted MacSales (or OWC-as they were called when I purchased the RAM long ago) and immediately got a response asking me for the serial numbers of the chips and my MacPro model. I snapped a picture of the chips, with the serial numbers and OWC info. The very next day, I got an email with a return authorization number and an address to send the chips (they came in pairs) to. I sent them off and not more than a week went by before I received two brand new RAM chips. Having a company that honors warrantees as quickly and honestly, even from a purchase from seven years ago, deserves a review letting others know of my recommendation and support for this stellar company. Thanks MacSales!

I would recommend this item to a friend!

Verified Buyer

Reviewer: Anonymous Location: Oberlin, OH Age: Over 65 Experience Level: Power User Owned Product: 1-3 months

Rating: 5/5 GREAT MEMORY April 17, 2016 Great price for memory that is working perfectly and has been since we purchased it.

I would recommend this item to a friend!

Verified Buyer

Reviewer: Anonymous Location: UK Age: 35-44 Experience Level: Hobbiest Owned Product: less than a month

Rating: 5/5 Easy install. Works perfectly. April 5, 2016 I can't fault the product. It was easy to fit and works as expected.

Word of warning for UK customers. It was held at UK customs for 10 days and I was charged 21% VAT which had to be paid before they would release it.

I would recommend this item to a friend!

Verified Buyer Top 250 Contributor

Reviewer: Anonymous Location: Pensacola, FL Age: 55-65 Experience Level: Power User Owned Product: over 6 months

Rating: 5/5 Works Perfectly April 3, 2016 This is what my laptop needed for a speed boost. The installation could not have been easier, thanks to the superb tutorial on the OWC website. The old adage: "buy as much memory as you can afford," is certainly true. There was never an issue with this upgrade; it has worked perfectly from the start.

I would recommend this item to a friend!

Verified Buyer

Reviewer: Anonymous Location: singapore Age: 45-54 Experience Level: Power User Owned Product: 1-3 months

Rating: 5/5 Hard-to-find memory module found easily December 27, 2015 OWC was the only place I could find the memory module I needed for my old MacBook. The ordering process was smooth and I received my item within days of ordering. Great job!

Verified Buyer

Reviewer: Anonymous Location: Washington State Age: 55-65 Experience Level: IT Professional Owned Product: 1-3 months

Rating: 5/5 Upgraded 2007 iMAC to 6GB with the 4GB SO-DIMM December 11, 2015 Bought this 4GB DIMM to upgrade my 2007 iMAC to 6GB and system runs smoothly. So far no issues with my system.

Norby

I would recommend this item to a friend!

Verified Buyer

Reviewer: Anonymous Location: Mexico DF Age: Over 65 Experience Level: Power User Owned Product: 1-3 months

Rating: 5/5 Just Great December 2, 2015 This Ram Upgrade to my aging MacBook White, was just in time to keep it going. Just Great as all products I have purchased from OWC

I would recommend this item to a friend!

Verified Buyer

Reviewer: Anonymous Location: San Diego, CA Age: 55-65 Experience Level: Home User Owned Product: 1-3 months

Rating: 5/5 Good info, great performance. November 13, 2015 Elise helped me figure out which chip was right and got it to me in two days. I plan to return to OWC for all my Mac sales needs.

I would recommend this item to a friend!

Verified Buyer

Reviewer: Anonymous

Rating: 5/5 Everything worked out perfectly fine! July 20, 2015 I would recommend this item to a friend!

Verified Buyer Top 250 Contributor

Reviewer: Anonymous Location: Greenville SC Age: 45-54 Experience Level: Home User Owned Product: 3-4 months

Rating: 5/5 Affordable upgrade June 28, 2015 Todays modules are much more affordable and you can have a serious upgrade for much less money than in the past. OWC offer not only memory upgrades bit also video tutorials of how to install is a complete service. Shipping is pretty fast

I would recommend this item to a friend!

Verified Buyer Top 250 Contributor

Reviewer: Anonymous Location: Palo Cedro, CA Age: Over 65 Experience Level: Home User Owned Product: over 6 months

Rating: 5/5 AWESOME April 25, 2015 After upgrading my iMac, the results were outstanding, faster response!

I would recommend this item to a friend!

Verified Buyer

Reviewer: Anonymous Location: Cupertino, CA Experience Level: Home User Owned Product: 1-3 months

Rating: 5/5 Reasonable price, reliable, free shipping March 28, 2015 I've used OWC memory for all our Macs over the years. It always works and is reasonably priced. The USPS free shipping arrives promptly. This order was no exception. More memory and now I'm ready for an upgrade to Yosemite. The on-line sales / chat folks have always helped in matters of mixing & matching different memory modules sizes for each model.

Did I mention the free shipping ;^)

I would recommend this item to a friend!

Verified Buyer

Reviewer: Anonymous Location: CT Age: Over 65 Experience Level: Home User Owned Product: 1-3 months

Rating: 5/5 Can't beat more memory February 6, 2015 I thought, and Apple claimed, my 2007 iMac's memory maxed at 4GB, but recently OWC's webpages said 6. Strange. I had 2+2, purchased at OWC 7 years ago, and was informed I could replace one of the 2's with a 4. I was frequently running into slowdowns because of memory limitations, so bought the 4GB module, followed the easy installation directions and now have 6. Yosemite is supposed to be better at memory management, something I have doubts about. In any case, I'm pleased with the expanded memory.

I would recommend this item to a friend!

Verified Buyer

Reviewer: Anonymous Location: panama city, panama Age: Over 65 Experience Level: Home User Owned Product: 3-4 months

Rating: 5/5 it's like my late 2007 iMac is like brand new February 2, 2015 I needed to get more memory in order to update to OS X Yosemite. The module came quickly and was easy to install and I can't believe I didn't do it sooner.

I would recommend this item to a friend!

Verified Buyer

Reviewer: Anonymous Location: Phoenix Age: 35-44 Experience Level: Home User Owned Product: 1-3 months

Rating: 5/5 Awesome January 31, 2015 Awesome. No problems. Works great. Compatible as expected.

I would recommend this item to a friend!

Verified Buyer

Reviewer: Anonymous

Rating: 5/5 Tech for a non-tech geezer December 21, 2014 Terrific live chat support guided me right to the product I needed. Quickly shipped. Worked perfectly. Badda boom, badda bing. Thanks OWC.

I would recommend this item to a friend!

Verified Buyer

Reviewer: Anonymous Location: Millbury, MA Age: 45-54 Experience Level: Power User Owned Product: 1-3 months

Rating: 5/5 Mid 2007 iMac (Alu) Reborn November 25, 2014 I thought it was time to buy a new Mac, due to its sluggishness. Wrong!

Adding 4GB of RAM and replacing the 5400 rpm HD with an SSD has breathed new life into it. To quantify; opening Adobe Photoshop took 1:00, but now takes :05. InDesign? From 2:00+ to about :10. Illustrator? From 1:30 to about :07. Booting up went from 3:00+ to about :30.

This indicates that the main bottleneck for computers is mechanical HDs, which appears to be a little-known secret. Save your money and invest in these upgrades...you'll be thrilled with the results!

I would recommend this item to a friend!

Verified Buyer

Reviewer: Anonymous

Rating: 5/5 RAM Upgrades Are Recommended October 18, 2014 First, let me brag on OWC. They are HIGHLY beneficial and their assistance has on numerous occasions not only helped me reach a decision, but done so efficiently, courteously and informatively. Now, I purchased the 4gig RAM stick for my MacBook Pro 3,1 and it has performed very well. It is an odd pairing in that it isn't a "matched" pair, as my MBP came with 4 gigs of RAM preinstalled in the form of 2x2gig sticks. So, now that I'm running 6gigs in the form of one 2gig (Apple) and one 4gig (OWC) stick I no longer am able to achieve "128-bit memory addressing." Initially, this was a concern as I wondered what adverse effects, if any, this might have on my laptop. Through multiple chats with OWC employees I was able to assuage any concerns in that the benefit of having more RAM (2 extra gigs in this case) would outweigh any performance loss from running a "mismatched" pair. So, that was my conclusion, and it has proven to be true. Boot time and overall application responsiveness have increased, enough for me to recommend the upgrade. The only negative I can possibly cite is that this upgrade, albeit not officially endorsed by Apple since they state that maximum RAM for a MBP 3,1 is only 4 gigs, causes the fans on my unit to operate more often than they do when the 4 gigs I used to have were installed. This translates into a marginally "hotter" unit on the underside of my laptop. But that's all. Just a heat increase that makes fans run a bit more often. Bottom line, I am VERY supportive of OWC as they have been VERY supportive to me. :)

I would recommend this item to a friend!

Response from MacSales.com, Executive October 20, 2014 Thanks for the review. Note that the slight heat increase is not likely from the memory itself but from the Mac now working harder, putting more processor cycles to work since as it now has the additional memory to utilize and complete tasks faster with.

Verified Buyer Top 250 Contributor

Reviewer: Anonymous Location: Crestline, CA Age: 35-44 Experience Level: Home User Owned Product: 1-3 months

Rating: 5/5 Keeping it Alive October 18, 2014 Upgraded my 2008 Macbook Pro to 5Gb total now. As long as it can download the newest OS from Mac, my old reliable will continue to live. Programs run very nice with no issues.

I would recommend this item to a friend!

Verified Buyer Top 250 Contributor

Reviewer: Anonymous Location: Lloret de Mar - Spain Age: 45-54 Experience Level: Power User Owned Product: over 6 months

Rating: 5/5 Works fine September 5, 2014 Bought this module to increase mem in my old MacBook ( late 2007) until maximum allowed , 6 Gb. Works perfect! Cheaper than in Spain!

I would recommend this item to a friend!

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OWC Memory 4.0GB 4.0GB PC5300 DDR2 Mfr P/N: OWC5300DDR2S4GB MacSales.com SKU: OWC5300DDR2S4GB OWC Memory Upgrade Module Lifetime OWC Limited Warranty Ships: Same Day

Reviews (42)

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