SSDs - State of the Product?

Handruin

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Looks like an overall decent m.2 nvme drive with 5100TBW over 5 years is pretty generous (2.8TB/day writes). Why would the firmware be whacked and no good for every day use? When I read it's labeled for NAS-use, I think it implies higher durability or larger amounts of writes per day or even may have write loss protection (I didn't confirm this). The performance metrics look pretty decent to me, what is your expected use case?

My 1TB SSD is built in so I can't expand but I'd have no issue using this nvme if I could.
 

LunarMist

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I would be using it multiple times/places over 2-3 year lifetime, e.g., in a laptop part time, otherwise externally enclosed, and maybe even in a desktop for data. I'm wondering how that SN700 can be so cheap, yet still be TLC and have the DRAM.
Mostly I want to know what the sustained write speeds are for example if I want to copy 1+ TB to SN700 in one shot. Most of the benchmark sites are always full of it, using test that fit into the SLC part of the drive and not what happens down the line when the drive is dirty from heavy use.

The new SR site has some data on the SN770, but it makes no sense. The writes are plotted as µs vs. MB/sec. and most others as µs vs. IOPS. Some of the other graphs are just nuts with more than one Y value for the same X value. Is this some "new math" that changed in the 21st century? The VDL looks like some kid drew them by hand. I don't know what to make of all this.
 

LunarMist

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Great. :( I don't like to order products with vague delivery dates as packages occasionally don't arrive or disappear when I'm gone. By the time they are in stock who knows.
 

Mercutio

Fatwah on Western Digital
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Backblaze posted its reliability data for its SSDs today. It's on Slashdot, but maybe some of you don't check that all the time.
The short version is that the drives that they have a decent statistical sample have failure rates around 1%/year, but there are two drives that look pathetic because of small sample sizes and limited operating periods.
 

LunarMist

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They are using a bunch of Seagate SATA SSDs and a sprinkling of others? I don't think that data has much value.
 

LunarMist

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What are people using as USB-C enclosures for 2.5" SATA SSDs? My older USB 3.0 enclosures are dicsonnecting with the 4TB drives. I think it is a power issue because there are no errors when writing/reading the whole 4TB on a natural SATA port. :(
 

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Fatwah on Western Digital
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I have a bunch of Sabrent 2.5" USB enclosures for general purpose backup drives and I've used SSK nVMe enclosures for faster stuff. I can't say I've seen many disconnects.
 

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Fatwah on Western Digital
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It's starting to seem like 2.5" SATA SSDs are becoming a thing of the past. I have a bunch of server systems out in the world that don't have u.2 backplanes and still have a couple years of life in them. Intel D3-S4510s, which were released in 2018, are kind of my product of last resort, somehow offering ~2 DWPD endurance for a rated 5 year lifespan on TLC NAND.
 

LunarMist

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Pretty much everything I want to do is becoming a thing of the past. I'd be fine with U.3, but don't expect to ever see it in a normal computer. M.2 is stupidly small for power/heat production. All the TLC 2280 SSDs >2TB have chipotle on the underside, which is even worse.
 

Handruin

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Pretty much everything I want to do is becoming a thing of the past. I'd be fine with U.3, but don't expect to ever see it in a normal computer. M.2 is stupidly small for power/heat production. All the TLC 2280 SSDs >2TB have chipotle on the underside, which is even worse.
You can add these easily to a normal computer. I've setup a few machines to use U.2 SSDs in 2.5" form factor with this PCIe card to SFF-8639 with a U.2, SFF-8643 to SFF-8639 Cable. Not terribly expensive components and you can leverage the full speed of an enterprise U.2 NVMe SSD assuming you have the available PCIe lanes on your motherboard.
 

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I don't think an adapter will fit in my current system due to the clearance. I'd like to see six of those ports like we have SATA.
 

Handruin

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The pcie card is tiny for what it's worth.

There are other more expensive adapters with 4 ports but they need lots of pcie lanes (16) if you want nvme.

An intermediate would be a SAS 12gb adapter to connect more SSDs with 4-8 ports.
 

LunarMist

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Looks like an overall decent m.2 nvme drive with 5100TBW over 5 years is pretty generous (2.8TB/day writes). Why would the firmware be whacked and no good for every day use? When I read it's labeled for NAS-use, I think it implies higher durability or larger amounts of writes per day or even may have write loss protection (I didn't confirm this). The performance metrics look pretty decent to me, what is your expected use case?

My 1TB SSD is built in so I can't expand but I'd have no issue using this nvme if I could.
The RED SSDs are a bit strange. For no good reason the write performance is reduced in the x570 setup, but normal in the laptop.
 

LunarMist

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The pcie card is tiny for what it's worth.

There are other more expensive adapters with 4 ports but they need lots of pcie lanes (16) if you want nvme.

An intermediate would be a SAS 12gb adapter to connect more SSDs with 4-8 ports.
That's a big part of the problem with the mainstream boards that only have 16-24 lanes. Unfortunately the higher boards use the stupidly expensive CPUs with excessive cores that don't help most mainstream programs that need decent single-thread performance.
 

Handruin

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I hear ya. An alternative is to look for a used server class system that is a generation or so older to save some money but gets you more pcie lanes. That or go with much larger nvme drives to use fewer lanes but they get really expensive too.
 

LunarMist

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I'm leaving the 2x 4TB in the laptop and hope to use that in the summertime. I was hoping to also use it in the desktop when in the states, but the slower write speeds compared to the original 2x 2TB 970EVO+ is not worthwile.
Computing its becoming very unpleasant and upsetting with the Win 11. I built or rebuilt 5-6 Win 10 systems in 2021 so I'm not really planning to buy any more computing hardware this year, but the Big MAC may be in my future. I was planning to upgrade storage this year.
 

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Fatwah on Western Digital
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I've read some rumblings that PCIe Gen 5 might run nVME on two lanes instead of four, simply because the bandwidth will be there to support it. That would definitely make desktop consumer platforms a lot more appealing again.
 

LunarMist

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I suppose but somehow that won't help with current SSDs and might stunt the growth of future chipsets. Over 10 years ago I had 44 lanes IIRC.
 

Mercutio

Fatwah on Western Digital
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I suppose but somehow that won't help with current SSDs and might stunt the growth of future chipsets. Over 10 years ago I had 44 lanes IIRC.

That was the driver for my choice to go to Threadripper instead of a consumer desktop platform.
I'm not sure if there are any plans for another generation of Not-Pro Threadrippers going forward, unfortunately.
 
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