A3n1066-4g Ddr3 Sdram S.o.dimm

Contents. Visual identification Most types of SO-DIMMs can be recognized visually by the distinctive notches that 'key' them for different applications:.

100-pin SO-DIMMs have two notches. 144-pin SO-DIMMs have a single notch near the center.

200-pin SO-DIMMs have a single notch nearer to one side. The exact location of this notch varies (read below). 204-pin SO-DIMMs have a single notch closer to the center than on 200-pin SO-DIMMs. 260-pin SO-DIMMs , 69.6 mm (2.74 inches) wide and 30 mm (1.2 inches) high, making them 2 mm (0.079 inches) wider than DDR3 SO-DIMMs, with a single notch after pin 144. 260-pin SO-DIMMs , 69.6 mm (2.74 inches) wide and 30 mm (1.2 inches) or 20 mm (0.79 inches) high, with a single notch placed differently than on DDR3 SO-DIMMs.

Variants of 200-pin SO-DIMMs The 200—pin SO-DIMM can be of the types DDR and DDR2. In both cases the notch is located at one fifth of the board length (20 pins + notch + 80 pins), but in DDR3 the notch is located slightly closer to the center of the board. These two types of memory are not interchangeable. The different notch locations are designed to prevent cross-installation, aiding at the same time in visually identifying 200-pin SO-DIMM modules. This variance is designed to prevent coupling of memory and controllers of different DDR generations due to electrical incompatibility. DDR SO-DIMMs operate at 2.5 V while DDR2 SO-DIMMs operate at 1.8 V.

Variants of DDR3 SO-DIMMs These modules, while using the same physical layout, may differ in the specified voltage - 1.5 or 1.35 volts. The lower voltage modules are sometimes, but not always, identified as DDR3L - see also. Low voltage modules are compatible with high voltage mainboards, but not vice versa. There are some exceptions to that rule. General characteristics 200- and 204-pin SO-DIMMs are 67.6 mm (2.66 inches) long and 31.75 mm (1.250 inches) wide, with a maximum total depth of 3.8 mm (0.15 inches).

SO-DIMMs are more or less equal in power and voltage rating to DIMMs, and despite the smaller size of memory modules, SO-DIMM technology does not mandate lower performance compared to larger DIMMs. For example, DDR3 SO-DIMMs provide clock speeds such as 533 MHz (1066 MT/s, ), such as 7, and higher capacities such as 4 GB per module. DDR2 SO-DIMM memory modules commonly have clock speeds from 200 MHz up to 400 MHz. 204-pin SO-DIMMs can also contain DDR3 SDRAM, with specifications such as PC3-6400, PC3-8500, PC3-10600, PC3-14900 and PC3-17000.

260-pin may contain either DDR3 or DDR4 SDRAM, depending on their configuration. Some SO-DIMMs also provide functionality; ECC SO-DIMMs are called SO-CDIMMs.

See also. Retrieved 2015-06-26. Synology Inc. Retrieved 2015-06-26. Retrieved 2015-06-26. Retrieved 2015-06-26. December 2012.

Retrieved 2015-06-26. Archived from (PDF) on 2014-11-29. Retrieved 2015-06-26. Geof Findley; Becky Loop (2014-09-16). Archived from (PDF) on 2014-12-17. Retrieved 2015-06-26.

Retrieved 2015-06-26. Retrieved 2015-06-26. 2010-09-23 at the. Retrieved 1 October 2015. Retrieved 2014-08-24. External links Wikimedia Commons has media related to. (XR-DIMM form factor).

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Rated 5 out of 5 by Apple Always from Works as advertised! I plugged these well packaged memory modules into my MacBook Pro, Mid 2009 laptop and booted up without issue.

Download buffering, photo processing and file loading speed are greatly improved. I've run for a month without a glitch. After downloading instructions from Apple the memory module swap was a straightforward task. However, I have two warnings. First, be absolutely sure that you know the exact replacement modules to order. I found it reassuring to check with the Apple Support Community.

Second, always use an anti-static wrist-strap when handling and installing anything that goes inside your computer. Rated 4 out of 5 by JBA from Very satisfied with the upgrade kit My iMAC (early 2009) had been reduced to a crawl since it had only two 2 GB memory chips. Rather than buying a new computer, I elected to upgrade the chips bought from B&H. Had the pack in about 36 hours. Installed per Apple instructions. Upon starting up I heard fog horn beeps from the computer. Immediately shut down.

Went online at B&H for user reviews. One user complained of installation challenges only to find he needed to insert the chips with more forcefully until he hear it click in place. That was also my problem and solution.

Lesson learned: push hard on the chips as they slide into the computer. It will definitely click when they go into place.

Rated 2 out of 5 by EditMeNice from Dubious memory I upgraded my early 2009 iMac with this 8gb memory. It works, but the computer started randomly going into sleep mode. No data loss, just narcolepsy. I reinstalled Mavericks, and it seems to be better, but the screen did go black for a second once, then came back. I only did this yesterday, so we'll see. I also didn't get the vast performance boost the hype promises. It takes almost as long to render stuff as it did with 4gb.

I also replaced the dvd drive with an SSD. So what was a 14 hour render is now 12.

Not worth the cost or the trouble. Rated 3 out of 5 by jlesliemonique from Memory Being So Crucial. I bought memory because I am a video editor and I could not run Final Cut Pro X without at least 4GB of memory.

A3n1066-4g Ddr3 Sdram S.o.dimmed

I had my Macbook Pro since 2010 and this is the first time I got some memory for it. Since I restored my new memory I still experience computer crashes and I'm not sure what the problem is with the memory or hard drive when running FCPX. It also takes forever to export videos still, and I thought the memory would fix that. I'm actually not sure what the memory did for my computer besides letting FCPX run on my computer with not much issue. So that's why I gave it a 3 out of 5 stars. Rated 5 out of 5 by Joe from Perfect for my Mid 2009 MacBook Pro After reading all the reviews about upgrading to OS X Mavericks, I knew the stock 4GB of RAM in my Mid 2009 15 2.53Ghz MacBook Pro needed to be upgraded.

So I bought Crucial's 8GB SODIMM DDR3 PC3-8500 RAM kit. This RAM is perfect and works as advertised.

Crucial is very reliable! Also, if you're thinking about upgrading your old MacBook Pro, may I suggest getting a SSD. I got Crucial's M500 and it, along with this RAM kit, has brought new life to my aging MacBook. Highly recommend Crucial products!