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🚀 Power up your Mac with Crucial speed and reliability!
The Micron Crucial 8GB Kit (2x4GB) DDR3 1333 MHz SO-DIMM memory is a high-quality, lightweight upgrade designed for Mac notebooks and compatible laptops. Featuring a 204-pin form factor and low 1.5V voltage, it delivers reliable performance and energy efficiency. Backed by a 4.8-star rating from over 1,400 users, this original Crucial product ensures smooth multitasking and faster computing.






| ASIN | B008LTBIT4 |
| Brand | Micron |
| Brand Name | Micron |
| Column Address Strobe Latency | 9 |
| Compatible Devices | Laptop |
| Computer Memory Size | 8 GB |
| Country of Origin | USA |
| Customer Reviews | 4.8 out of 5 stars 1,482 Reviews |
| Form Factor | SO-DIMM |
| Global Trade Identification Number | 00649528762030, 00649528762047, 05052916631002, 05054533192690 |
| Item Weight | 5.7 Kilograms |
| Manufacturer | Crucial |
| Manufacturer Part Number | CT2K4G3S1339M |
| Memory Form Factor | SODIMM |
| Memory Generation | DDR3 |
| Memory Speed | 1333 MHz |
| Model Number | CT2K4G3S1339M |
| Number Of Pins | 204 |
| ProcessorSpeed | 1333 MHz |
| Product Features | Lightweight |
| RAM Memory Technology | DDR3 |
| RAM Size | 8 GB |
| Special Feature | Lightweight |
| UPC | 649528762047 649528762030 012304322382 013040042664 |
| Voltage | 1.5 Volts |
B**E
it is working fine. Thank you Amazon and Kiron
Exactly as described. We have received the product and tested. it is working fine. Thank you Amazon and Kiron Teams
K**A
Five Stars
Good product no problem
B**A
Fit needs
This satisfied my need of adding more RAM on my old Mac 2010 mid. Only complain is on very slow delivery
F**G
Goede uitbreiding
Goede uitbreiding, makkelijk in gebruik
1**Z
Easy to fit, plug and play.
Like everything about this product. It is backed by excellent instructional video directions for fitting. Fits perfectly first time. Has transformed the operation of my ageing iMac. Wished I’d upgraded years ago but thought it might be beyond me. Wrong! It’s simple if your machine is the one with the removable grill on the bottom edge, or possibly the removable trap door on the back. Did but the anti static bracelet just to keep the chips safe.
Y**S
Super produit
J'ai acheter ce produit en remplacement de mes ancienne barrette. C'est une très bonne marque, elle sont comme les originaux, facile à installer, et en plus rapport qualité prix c parfait, d'autre concurent vendent le même produit dans une autre marque et plus chere donc si vous voulez pas dépenser des fortune go pour ce produit
R**R
Crucial 2 x 4GB 1333 MHz DDR3 PC3-10600 memory modules for iMac 21.5 inch mid 2011
It took a couple of months after my iMac computer began crashing frequently before an Apple hardware diagnostic test identified the problem as being a faulty memory module. The same test a few weeks earlier failed to find any hardware problems. I discovered there are many international manufacturers listed on the Internet for this part but no store in Canada keeps it in stock. A few online stores including Amazon all said shipping would take a few weeks. I found instructions from Apple on how to replace the original memory modules with these new Crucial memory modules. The problem of my iMac computer frequently crashing is now fixed. Through testing I found one of the original 4GB memory modules is okay so now I have 3 x 4GB = 12GB installed. In contrast to all of the online advice and reviews I did not notice any improvement in the speed of my iMac by upgrading from 8GB to 12GB. The Apple hardware diagnostic test full version that is needed to test the memory modules takes a few hours to run. Apple evaluated the trade-in value of my iMac as being $99. These new Crucial memory modules with tax cost me more than the trade-in value of my iMac. I hope my iMac continues to work for a few more years now that these new Crucial memory modules have fixed the frequent crashing problem.
S**N
Great upgrade for older machines
My family tends to buy used laptops that are a few years old. Not the cutting edge in technology, but much more affordable for us. These older machines are still quite usable in the present because I always make sure to upgrade the RAM and storage. This Crucial 8GB kit has worked well for me so far. I've bought an 8GB pair for my girlfriend's computer, my parents' computer, and my own. Installation was easy every time (Crucial provides a guide; so do many others online) and I have had zero issues to date. Programs load and change focus faster, I can leave more tabs open in the browser, play more recent games, media opens faster, all with these Crucial RAM kits. I recommend this to anyone with a dated machine who doesn't want to drop $1000+ on a new computer, but still wants to get a few more functional and responsive years out of their computer.
Trustpilot
3 days ago
3 weeks ago