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 The SSD Thread V7, SLC, MLC, TLC, QLC, PLC, and 3D XPoint

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babylon52281
post Dec 8 2023, 02:14 AM

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QUOTE(horns @ Dec 7 2023, 10:29 PM)
regarding ymtc nand issue, it was reported to be due to their 128L x2-9060 nand (source, in chinese) their newer nands are not affected.

although there were recalls, few consumer ssds with x2 nand in question still can be found in the market.

edit:

firmwares of micron drives can be found at https://www.micron.com/products/ssd/firmware-downloads

tools to update firmware is at https://www.micron.com/products/ssd/storage...cutive-software

msecli that needs login to download is actually included in micron storage executive software (gui). just install the software and you're good to go.
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SSD with YMTC+MAP arent significantly cheaper than others using Phison or SM or IG so why even take the risk to find out? Right now chinese stuff are banned in a lot of western countries so they dont have much review exposure or longevity testing by more popular reviewers so any issues will not get as much attention and the internet is none the wiser. I would stay away from YMTC+MAP SSD until they gets reviewed more thoroughly

This post has been edited by babylon52281: Dec 8 2023, 02:15 AM
babylon52281
post Dec 8 2023, 05:07 PM

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QUOTE(horns @ Dec 8 2023, 09:30 AM)
i posted the above because many might be confused and assumed that all models of nand from ymtc are bad. by the way ymtc lost the supply contract of apple because of political reasons, not technological reasons.

right, pick what you want to believe, and move on. let others do the same.
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Near disaster averted otherwise we will have seen millions of new iphones bricked due to memory failures.

Its nothing to do what I believe, its what the tech community found just as YMTC NAND is gaining favour with SSD makers. We just dont know how extensive is the issue or what was done to resolve it, and if YMTC will have compensate users with no avenue for replacement, mainly because of the US embargo so interest to use YTMC products have cooled down a whole lot.

With such uncertainties isnt it more wise to stick with tried & tested stuff, ones that gets more reviews & testing done?
babylon52281
post Dec 16 2023, 10:42 PM

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QUOTE(overfloe @ Dec 16 2023, 01:38 PM)
I'm guilty as charged. Impulse purchased a 1TB kc3000 for rm275 recently, supposedly for a new build which may never see the light. Another kc2500 left unused though i can still install in the kids laptop as a secondary drive.
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Put it in a USC C enclosure & use as a fast portable drive nod.gif
babylon52281
post Dec 23 2023, 11:17 AM

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QUOTE(incognitroll @ Dec 23 2023, 12:50 AM)
tldr: budget ssd, PNY CS900 1TB SATA III running at over 75°C during load, do not recommend.

» Click to show Spoiler - click again to hide... «

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Phison controllers used to have a lot of issues for stability, temps, power efficiency & speed. Which is why I have been avoid using or reco them. Plus this is DRAMless. Go for something else if you can.

This post has been edited by babylon52281: Dec 23 2023, 11:17 AM
babylon52281
post Dec 24 2023, 02:36 PM

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QUOTE(incognitroll @ Dec 23 2023, 10:56 PM)
thanks. bought a couple of budget SSDs in the past and never had this issue. guess things have changed
have no choice but to return them. i'll be sticking with more established brands from now on. thanks.
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Sam 850 /860/ 870 EVO been quite consistent and no worries on parts swapping but prices are higher than most others, imho still justifies if want peace of mind. Just dont get from QVO line as thats QLC
babylon52281
post Dec 31 2023, 11:30 PM

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Recently got an ADATA XPG GAMMIX S70 Blade Gen4x4 M2 NVME 2TB SSD during 11.11 Sales. Here is my delayed review & testing.
https://forum.lowyat.net/topic/5339043/+20#

user posted image

user posted image

Got this for RM 427 just before price hike, but it could have been so much cheaper (RM 357) if it werent for Shopee scammer seller cancel my order

user posted image user posted image

Avoid this shop (ibuyonlinenow) even if it was verified as ShopeeMall seller.

This post has been edited by babylon52281: Jan 1 2024, 10:03 PM
babylon52281
post Jan 4 2024, 10:29 AM

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Expect SSD & RAM price hikes to go up even higher
https://www.techspot.com/news/101398-nand-f...earthquake.html
babylon52281
post Jan 7 2024, 12:00 PM

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QUOTE(horns @ Jan 7 2024, 11:53 AM)
yeah. i have few plextor m5m 256gb and m5pro 512gb, and they are still in active use. marvell controller + toshiba mlc nand was one of the stable combos back then.

it's too bad these days we can only find ssds with mlc nand in dc/enterprise units.
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My msata Liteon branded version died after 5 years tho... supposedly it has 72TB lifecycles but I never even came close. This leads me to not trust the stated TBW. Every once in a while do a CDInfo read and if any yellow flags pop up its time to replace.
babylon52281
post Jan 15 2024, 05:30 PM

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QUOTE(horns @ Jan 15 2024, 12:18 PM)
Samsung 990 EVO: world's first hybrid PCIe 4.0 x4 and PCIe 5.0 x2 SSD, https://www.tweaktown.com/news/95432/samsun...-ssd/index.html

.. do we really need this type of hybrids?

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off-topic: i just realized that there is another c-zone store a level above the first c-zone at digital mall. finally, got almost all the stuff that i keep forgetting to get there. certain arctic fan models are with 10-year warranty now.

i think i will pay lyp a visit also. it's really been a while since pandemic that i'm already used to getting stuff online.
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Using Asus Dual GeForce RTX 4060 Ti with Integrated M.2 Slot pair with 1to2 port bifurcation connect to hook up 2units 990 EVO at Gen5 2X modes.

Ridiculous as it sounds at 1st, but im hoping Asus could evolve this concept, say a 4060TI Super with 2x M2 slots to fill up the wasted x8 PCIE bandwidth. I can see gamers making these their game drive storage and rather than going thru the PCIE bus the GPU can make use of DirectStorage to connect with the SSDs being literally on the GPU now.
babylon52281
post Jan 15 2024, 08:38 PM

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QUOTE(horns @ Jan 15 2024, 06:35 PM)
uh? i think you should just use normal pcie-5 x4 ssds on that asus' gpu (making full use of the wasted x8 lanes).

also, afaik pci-e bifurcation is mainly a mobo-side thing. you need one that supports that before you can use the feature, no? most mobos don't have that.
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Not really sure if its doable. But just playing around see how flexible is PCIE bus. IINM someone managed to run a 4090 off the M2 port on that 4060TI Dual so its kinda like a bypass to the mobo PCIE bus for now. But of the x8 channel wasted (4060TI is only x8), that Dual GPU only recover x4 for the SSD so maybe in future a 2nd slot (x4) can fully utilised what would be wasted channels on the PCIE5 slot.

And would be pretty interesting if Asus could take it further and make an 'on GPU' DirectStorage space for game drive.
babylon52281
post Jan 16 2024, 08:02 AM

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QUOTE(horns @ Jan 15 2024, 10:25 PM)
yes, it's true that we can use the m.2 slot for other purposes, but with conditions.

i think the use cases that you described are in this post. i undserstand they wanted to show case advantages by example. however, those examples are just silly: the first requires pci-e bifurcation; the second makes me question myself: why should i run a stronger card on top of a weaker one, underpowered and with lesser pci-e lanes?

i do appreciate the attempts from asus to minimize wasted lanes. however, i also realize that only few setups can do that, not all. from my brief studies on z790 boards, i think auto redistribution of pci-e lanes will occur when the primary x16 is occupied, and only x8 is used, or when the associated m.2 slot (on mobo) is used.

so, when all these are taken into account, the 'feature' becomes not that significant.

edit: i'm still not sure why samsung make their 990 evo a pci-e hybrid. i mean, there must be something triggerred them to do so. i just cannot see it in my usage.
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The 990 EVO x2 config might have some niche uses. Perhaps one day a multi M2 to PCIE adaptor could house up to 8 Gen5 drives (x2 x 8 SSD) giving massive 32TB drive space not including the on mobo SSD! I see can be very useful for NAS or servers that dont need a GPU on the x16 slot so this can be repurpose for super fast storage.

Ultimately i guess like Asus & their Dual GPU, I think they did it just bcoz they could.
babylon52281
post Jan 16 2024, 08:40 AM

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Just a hypothetical question.

In a mobo with PCIE Gen4 all current top Gen4 SSD maxes reads at 7x00 MBps which is close to but not hitting the theoretical maximum PCIE Gen4 bandwidth (8000 MBps). Mostly dont even hit their maximum rated speeds anyways.

Lets say if I use a Gen5 SSD at the same slot, will it be able to push speeds up to that slot's maximum Gen4 speed (nearly 8000 MBps)? Will such configuration be faster than just using a top Gen4 SSD?
babylon52281
post Jan 16 2024, 02:42 PM

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QUOTE(horns @ Jan 16 2024, 09:54 AM)
i now think that 990 evo x2 config is just like asus' 4060ti, a showcase of 'just because i can'. it's plain marketing.

there is no need to create excuses to convince ourselves about such 'unique features'.
imo the situation is like using a sata3 ssd with a mobo that supports sata2 only. it will be running very close to max speed of sata2. in reality, there are external factors that are in the way and affect the sata3 ssd from reaching the maximum sata2 speed.

it might be faster, but slightly, because of such bottlenecks.
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Ahh good to know that as in future when comes my time to upgrade the SSD, Gen5 drives would have been ubiquitous and Gen4 drives would (most likely) drop in price, so a dilemma would be either choosing a Gen5 or a high end Gen4 SSD then. So technically there is still merits to using Gen5 even if limited by the Gen4 slot. Thanks.

This post has been edited by babylon52281: Jan 16 2024, 02:45 PM
babylon52281
post Jan 17 2024, 09:23 AM

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QUOTE(overfloe @ Jan 16 2024, 10:52 PM)
I do believe top tier Gen4 SSD will stay relevant for a loong time. The speed is plenty fast for most use.
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I do agree, tho just as with Gen3 SSD continues to be made & sold today, top tier Gen3 drives are priced nearly similar to top Gen4 ones so it really has less reasons to go for the older tech.

I see the transition from Gen4 to Gen5 will be similar and of course for the majority PC users it shouldnt matter as either will suit most use case, but if it cost me nearly the same I would want to max out performance for the dollar.
babylon52281
post Jan 17 2024, 06:27 PM

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QUOTE(overfloe @ Jan 17 2024, 09:42 AM)
Gen5 runs hot AF so that is probably a big turn off, until someone comea out with a better controller with a better and cooler controller haha.
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Main reason is bcoz 1st gen Gen5 SSD controllers are using older silicon tech, 14/12nm. I believe once they transition to 7/5/4nm chips, it will eventually run about the same temps as top Gen4 drives today around 40+C idle.
babylon52281
post Jan 20 2024, 08:43 AM

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QUOTE(Chumpy @ Jan 19 2024, 09:09 PM)
Hi all. Is it worth to buy 1tb KC3000 for RM320 right now or should wait?
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Grab it while you still can. But beware such good deals is 50:50 scam. Dont be surprised if its not genuine (fake branded SSD) or else the seller later just cancels your order with stupid reasons like "no stock". The latter happened to me when Shopee seller typo the price with huge discount.

If you do get it and its genuine, then its your lucky day.
babylon52281
post Jan 21 2024, 10:43 AM

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QUOTE(Chumpy @ Jan 20 2024, 10:34 PM)
Hi all. Sorry for the late reply. Its from All IT Hypermarket. This is the link.

https://shopee.com.my/Kingston-KC3000-PCIe-...1b-5de9c0766558

RM387.50 - 58.13(15% off voucher) - 3000 coins = RM299.37.
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Yeah its legit. Good deal tho I have never seen a Shopee voucher discount >RM50 before.
babylon52281
post Jan 24 2024, 06:17 PM

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QUOTE(shinjite @ Jan 22 2024, 06:29 PM)
Just got the last unit from All IT albeit a slightly higher price at 311 after discounts.

UPDATE: Order got cancelled by seller due to no stock  bangwall.gif
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Owh sorry to hear that. Exactly what happen to me but a different seller. I didnt think a company as reputable as ALLIT will also do that too. And yeah its more likely they want to sell at a higher price. Track it for a month or so it will suddenly come back at the "adjusted" pricing.
babylon52281
post Jan 24 2024, 06:19 PM

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QUOTE(overfloe @ Jan 24 2024, 03:55 PM)
no stock? or they just realize they should sell at higher price bruce.gif

i can see ssd prices keep creeping up. kc3000 2tb from 500 (nov23) > 600 > now 700++
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Mind you global SSD prices only just started to rise and expected to go up to 50% more so you might see that 2TB SSD prolly near RM900 would not be a surprise.
babylon52281
post Jan 26 2024, 11:15 AM

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QUOTE(horns @ Jan 25 2024, 06:19 PM)
tbh, only few sellers are willing to be responsible for their offers. most thought they are 'smart' by playing such lame tricks at the back.

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off-topic: thermaltake toughpower gf3 1200w is 727myr now at brightstar, shopee.
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Msian consumer rights esp for online sales are like trash, thats why local sellers treat us as such. I complain to Shopee couple of times on my case still no action on the seller and since it was cancelled I cannot leave a review to warn potential buyers on their scams.
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