forum thread Posted by LeonGT1 • Oct 23, 2024
Oct 23, 2024 1:26 AM
Item 1 of 2
Item 1 of 2
forum thread Posted by LeonGT1 • Oct 23, 2024
Oct 23, 2024 1:26 AM
64GB (2x32GB) KingSpec DDR5 4800MHz SO-DIMM Laptop Memory Kit $108.99, 5600Mhz $115.99
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I agree that typical users should be extremely cautious with these unreputable RAM brands. I've purchased this kit and will update the details when they arrive.
Reject and ewaste are drastically different concepts. Micro does stringent testing and offloads the failing dies (downgrade dies) to its subsidiary Spectek. Even reputable brands like Corsair and Kingston use Spectek dies. Hynix does the same and offloads downgrade dies to Essencore. Samsung does the same. It's simply because testing is not a binary process. These "failing" dies can work perfectly fine to the point where some are even made into performance lines (e.g., KLEVV by Essencore by Hynix).
These defective dies are available in a variety of specifications and forms. Some of the more thoroughly tested ones might have SPD information embedded and even feature the manufacturer's logo on the packaging. Others, however, are minimally tested (or untested at all) and sold as barebones, leaving the responsibility of testing, binning, and packaging entirely to the downstream OEMs. The greatest caution should be exercised with unlabeled dies, as they have not undergone the original DRAM manufacturer's quality assurance.
Unlabeled dies frequently present themselves to consumers as "custom labels" on the package. This occurs when a brand, like Silicon Power, places its own logo on the die package instead of the original manufacturer's logo, such as Micron, Hynix, or Samsung, who are the only three suppliers of DDR5 dies. It has almost been a common practice for not just Chinese brands but many popular internet brands in the US market. For instance, another recent deal I posted of 2x32 GB DDR5 SODIMM by Mushkin, an American brand manufactured in Mexico, uses unlabeled dies with no SPD information. These dies will work almost certainly fine at the base frequency though, so I wouldn't say to avoid them if the price is GOOD ENOUGH. If one really wants to avoid them (which is very understandable), pick only the top brands from reputable sellers when it comes to purchasing RAM.
Chinese RAMs come in many different flavors. There are well-documented reports of counterfeit Crucial SO-DIMM and Corsair DDR5 DIMM products, so exercise extreme caution (or just avoid them altogether) when purchasing them from platforms like eBay and Aliexpress. Some shady brands are using dies that have failed the recycling round of testing, so these are the truly nearly dead dies (lmao). There are some highly reputable and popular brands in the local Chinese market, such as Kimtigo/Apacer, which are as good as global brands. There are many newly emerging enthusiast brands that offer highly-binned products, such as those guaranteed to use Hynix A-die, which is a product form rarely seen in the US market.
Moreover, the hypothesis of downgrade or unlabeled dies, even if it's true, doesn't fully account for the cost difference between these and reputable brands, which are priced at $150+ for 4800MHz and $170+ for 5600MHz. The 4800Mhz KingSpec is sold for $140 in the Chinese market which is consistent with some Amazon brands. The current price on Newegg is non-sustainable and is definitely a promotion.
KingSpec is not a reputable brand, but it isn't just a random alphabet brand either. We will see what they actually have when the item arrives.
I agree that typical users should be extremely cautious with these unreputable RAM brands. I've purchased this kit and will update the details when they arrive.
Reject and ewaste are drastically different concepts. Micro does stringent testing and offloads the failing dies (downgrade dies) to its subsidiary Spectek. Even reputable brands like Corsair and Kingston use Spectek dies. Hynix does the same and offloads downgrade dies to Essencore. Samsung does the same. It's simply because testing is not a binary process. These "failing" dies can work perfectly fine to the point where some are even made into performance lines (e.g., KLEVV by Essencore by Hynix).
These defective dies are available in a variety of specifications and forms. Some of the more thoroughly tested ones might have SPD information embedded and even feature the manufacturer's logo on the packaging. Others, however, are minimally tested (or untested at all) and sold as barebones, leaving the responsibility of testing, binning, and packaging entirely to the downstream OEMs. The greatest caution should be exercised with unlabeled dies, as they have not undergone the original DRAM manufacturer's quality assurance.
Unlabeled dies frequently present themselves to consumers as "custom labels" on the package. This occurs when a brand, like Silicon Power, places its own logo on the die package instead of the original manufacturer's logo, such as Micron, Hynix, or Samsung, who are the only three suppliers of DDR5 dies. It has almost been a common practice for not just Chinese brands but many popular internet brands in the US market. For instance, another recent deal I posted of 2x32 GB DDR5 SODIMM by Mushkin, an American brand manufactured in Mexico, uses unlabeled dies with no SPD information. These dies will work almost certainly fine at the base frequency though, so I wouldn't say to avoid them if the price is GOOD ENOUGH. If one really wants to avoid them (which is very understandable), pick only the top brands from reputable sellers when it comes to purchasing RAM.
Chinese RAMs come in many different flavors. There are well-documented reports of counterfeit Crucial SO-DIMM and Corsair DDR5 DIMM products, so exercise extreme caution (or just avoid them altogether) when purchasing them from platforms like eBay and Aliexpress. Some shady brands are using dies that have failed the recycling round of testing, so these are the truly nearly dead dies (lmao). There are some highly reputable and popular brands in the local Chinese market, such as Kimtigo/Apacer, which are as good as global brands. There are many newly emerging enthusiast brands that offer highly-binned products, such as those guaranteed to use Hynix A-die, which is a product form rarely seen in the US market.
Moreover, the hypothesis of downgrade or unlabeled dies, even if it's true, doesn't fully account for the cost difference between these and reputable brands, which are priced at $150+ for 4800MHz and $170+ for 5600MHz. The 4800Mhz KingSpec is sold for $140 in the Chinese market which is consistent with some Amazon brands. The current price on Newegg is non-sustainable and is definitely a promotion.
KingSpec is not a reputable brand, but it isn't just a random alphabet brand either. We will see what they actually have when the item arrives.
I did say *unreputable Chinese brands.
There are two Chinese ram brands that are reputable, that's it. Team and GSkill. All others use reject grade chips to compete on price.
Even those two are known to bait-and-switch with low quality chips sometimes.
Until Chinese dram chip *manufacturers begin releasing consumer products in mass scale, don't give me this political crap. I'm just a pc builder.
They were actually shipped from the US by Newegg and arrived in just three days. To the untrained eye, these RAMs might seem like Micron dies, but they are counterfeit. You can tell easily from the identical QR codes on each die, and there are quite a few more giveaways for people familiar with this kind of stuff. Again, this is becoming a common scam for many RAMs on the marketplace as well, some of which are sold under major brand names (i.e., they fake the board, label, and package as well). If you don't know what you are dealing with, only go with major sellers on major brands.
They were actually shipped from the US by Newegg and arrived in just three days. To the untrained eye, these RAMs might seem like Micron dies, but they are counterfeit. You can tell easily from the identical QR codes on each die, and there are quite a few more giveaways for people familiar with this kind of stuff. Again, this is becoming a common scam for many RAMs on the marketplace as well, some of which are sold under major brand names (i.e., they fake the board, label, and package as well). If you don't know what you are dealing with, only go with major sellers on major brands.
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