Not All First Generation PCIe 5.0 SSDs Will Offer the Same Performance

[TheoneandonlyMrK]

I'm still curious what people are doing that anything above a good PCIe 3.0 drive makes a real difference. 10gbe is roughly 1.2GB/s after overhead which is less than half PCIe 3.0 a prior poster mentioned 120GB/m video which is closer to 2/3 of PCIe 3.0. Sustained reads/writes are a problem for every current SSD (due to caching) and plagues them no matter the interface as does random read/write performance. We need something that rewrites the book for consumer NAND storage overall not just higher sequential burst numbers.

Once you get close to filling up a drive they're all a bit lackluster in reality and most don't buy double what they want to use!?.

Are you telling us that there is a full chance companies can commit scam and legally get away with it ?

I guess i am skipping PCIe 5.0 SSD in that case.

This s makes it sound like you are not aware that every generation of nvme storage drive has had products that differ wildly within the available speed, pciex4 and 3 had the widest range from top to bottom.

 

[Wirko]

That's nice but unfortunately the savings per TB don't translate to the higher capacity models. 8TB (Samsung is the only company with 8TB consumer facing models) is still $87.50 / TB and that's considering it's QVO which has lower endurance.

The rate at which SSD price per TB has been decreasing has been extremely slow and that's in light of the fact that endurance continues to decline. Someone is going to have innovate in the field because continuously reducing endurance is not a sustainable path towards cost effective larger capacity SSDs. File sizes continue to increase so you cannot expect customers to buy SSDs of raising capacity but continuously diminishing endurance (mind you this will play over 10+ years).

300 rewrite cycles would still be fairly good, we need storage drives after all. But we usually associate low (and still decreasing) endurance with poor (and still decreasing) reliability and quality, and that's certainly not good.

 

[The Von Matrices]

18TB is the current price / performance winner if you are looking at buying now. There's a steep up-charge for 22TB drives and a smaller but definitely noticeable up-charge for 20TB.

I would not buy above 18TB unless you absolutely need the space now. The price of the higher capacity drives tend to drop pretty sharply until they go under $280 and then their value starts retaining better.

I was pricing out replacing my NAS disks recently and found that 14TB disks have the best capacity/price. You're right in that 20TB and 22TB drives make no financial sense being twice the price of an 18TB drive, but if you're looking for the lowest priced storage for an array, then you need to look at disks smaller than 18TB.

 

[evernessince]

I was pricing out replacing my NAS disks recently and found that 14TB disks have the best capacity/price. You're right in that 20TB and 22TB drives make no financial sense being twice the price of an 18TB drive, but if you're looking for the lowest priced storage for an array, then you need to look at disks smaller than 18TB.

You can get refurb 18TB for $250 (13.8 USD / TB) vs OEM 14TB for $209 (14.9 USD / TB). The refurb comes with a 5 year warranty, the OEM does not. You can find 14TB refurbs for cheaper but they are older and often only come with a 1 year warranty due to their age.

Most of the enterprise world is on the higher capacity drives which means you can find plenty of refurbs for cheap and they are new. These are often drives that just had a failed motor and the refurb testing process is more strenuous than what a new drive receives.

Considering that the 18TB drives have a higher density, speed, and price when you know where to look I'd definitely call them superior. You are much less likely to get old stock with an 18TB drive to boot.

Also do note, many drives sold on Newegg and Amazon are OEM drives even if the product page says it comes with a warranty. Always check your drive serial number and always run a new drive through a full write / wipe to ensure proper functioning of the mechanics and ensure the disk surface doesn't have any imperfections. Preferably with real data although there are synthetic tests around for this purpose.

 

[AusWolf]

Did All First Generation PCIe 4.0 SSDs Offer the Same Performance?

Exactly what I thought. This is just the normal sequence of product development. First, we have the interface, later we have the controllers and NAND that can actually use it. I fail to see where the news value is.

 

[BluesFanUK]

Don't care, give us higher capacities please!!!!