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You'll want to see what frequency your motherboard can support. DDR400 and DDR667 have different frequencies, of course**, the frequency is different, DDR800 has a higher frequency, so it is more expensive. Changing the memory depends on the clock frequency of your motherboard and CPU, find a matching memory to change, not the higher the frequency, the better, here is a matching problem.
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Because the current mainstream product is DDR2, memory manufacturers are producing DDR2, which has a large output and is cheap.
The DDR is a previous generation product, and there are fewer manufacturers, so it is expensive.
DDR2 800, right?
If the motherboard only supports DDR, you can't use DDR2
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Whether you can use it depends on whether your board supports it or not, which board you can use DDR400, maybe up to DDR667. Now it's the new electronics that have a higher asking price than the old ones used to. The new one has new process technology.
So** came down. But the old one's purchase price was high at the beginning, and now it can't be lowered.
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When some old motherboards want to upgrade their memory, because they need to use DDR400 memory, it still has a certain market space, just like some old AGP graphics cards are now sold very expensive, because they will not be mass-produced, and it will take a lot of money to maintain a production line.
However, the replacement of memory is also very fast, and it is believed that the DDRII 667 will also be eliminated within a year.
Chipsets below 915 will not use DDR2 800.
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DDR2 is also much faster than ordinary DDR, as for DDR800, it mainly depends on your main version, and if the main version supports it, there will be no problem.
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It depends on how much your motherboard can support.
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Reason 1. Before talking about the reasons for the price increase, let's understand what memory is, memory is actually a kind of volatile memory, ramAt present, the most fierce price increase is the dynamic random access memory, which is also known as DRAM.
DRAM is currently widely used in computers, smartphones, and VR. In recent years, the demand for mobile phones and VR has increased day by day. Market demand has skyrocketed.
Reason two. Monopolized by the United States and South Korea, DRAM is currently a high-tech electronic technology, and the largest DRAM in the world is mainly Samsung, Micron, Hynix, Toshiba, and IntelAmong them, Samsung and Hynix are both Korean companies, forming a monopoly.
Maliciously do not expand production capacity, recently there was news that in response to the continuous increase in memory prices, *** has signed a memorandum of understanding with Samsung Electronics, and the two sides will deepen cooperation in the field of semiconductors, such as expanding Samsung's investment and technical cooperation in China. Samsung will not take the initiative to expand production capacity until it gets the sweetness. You can also see that this is the harm of core science and technology that our country does not grasp.
Reason 3 The continuous popularity of Korean killer games, South Korea's PUBG has swept the world. But compared to his playability, its optimization is the top priority, with a minimum of 8G to start, and 16G memory to be smooth. Snail doesn't understand what game is.,You can make the optimization so poor.,The key is that it's just an online game.,The picture quality is not very good.。
It feels like a bit of a conspiracy theory is in there. PUBG, with a small company like Blue Hole, Snail doesn't believe that it can be popular in such a short time.
Mixed plugging is possible, as long as the parameters of the two memories are about the same, in fact, as long as it is not dual-channel, the parameters of DDR memory are similar, generally put the latest maximum capacity in bank0, and then bank1, that is, your 512MDDR400 is placed in bank0 slot (the one closest to the CPU), and 256DDR333 is placed in bank1. Of course, if you mix and plug in, the DDR400 will automatically drop to 333 to run, but the increase in capacity can make up for the lack of speed, and the speed is almost unfelt, if you are running large software, large memory will definitely prevail. You can tell by the speed at which you open a word file. >>>More
To detect whether there is a problem with the memory module, you need to click the start menu control panel, double-click to open the management tool, if the display is different, click the view method in the upper right corner, select the big icon, double-click the windows memory diagnosis in the management tool, click restart now and check the problem, restart, and automatically enter the windows memory diagnosis tool.
DDR3 is definitely DDR2 good, but the slots are not the same, that is to say, two slots cannot be inserted into the same slot. If you originally support DDR2 800, then you can only change DDR2. If the motherboard is a mix of DDR2 and DDR3, remember to correspond.
Now there are 800** or SMS inquiries!
The speed of adding memory will be felt.