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forum threadmendelsphotography posted Yesterday 09:41 AM
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forum threadmendelsphotography posted Yesterday 09:41 AM

Samsung 4TB 870 EVO SATA III 2.5" Internal SSD $239.99 @B&H

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$345

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$239.99 @B&H

https://www.bhphotovideo.com/c/pr..._sata.html
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$239.99 @B&H

https://www.bhphotovideo.com/c/pr..._sata.html

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Model: Samsung 870 Evo Sata 2.5In Ssd 4Tb | MZ-77E4T0B/AM

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Yesterday 11:04 AM
588 Posts
Joined Nov 2012
mvpcrossxoverYesterday 11:04 AM
588 Posts

Our community has rated this post as helpful. If you agree, why not thank mvpcrossxover

$170 back in 2023 according to SD history. We're going the opposite direction
2
1
Yesterday 03:25 PM
2,002 Posts
Joined Feb 2009
yapchagiYesterday 03:25 PM
2,002 Posts
this discount sucks compared to a few years back. But it's still the best option now. I wish I bought it last time at $170 for 4 TB. I need SATA SSD for games. Already using the NVME for another SSD for OS.
Yesterday 04:34 PM
220 Posts
Joined Nov 2016
basecaseYesterday 04:34 PM
220 Posts
Shows $259.99 for me. Do you have to log in to get the lower price?
Never mind. ...just add to cart for for lower price.
Yesterday 05:44 PM
681 Posts
Joined Aug 2012
riffdexYesterday 05:44 PM
681 Posts
Quote from mvpcrossxover :
$170 back in 2023 according to SD history. We're going the opposite direction
SATA based SSDs are becoming increasingly niche, and generally utilize the same fast NAND utilized in NVMEs, just bottlenecked by the SATA protocol. The physical size of a SATA SSD also has some added material costs. They will still be a necessary market to maintain for compatibility reasons, but companies are increasingly shifting production away from these.
2
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Yesterday 09:47 PM
6,924 Posts
Joined Aug 2005
amax
Pro
Yesterday 09:47 PM
6,924 Posts
Quote from riffdex :
SATA based SSDs are becoming increasingly niche, and generally utilize the same fast NAND utilized in NVMEs, just bottlenecked by the SATA protocol. The physical size of a SATA SSD also has some added material costs. They will still be a necessary market to maintain for compatibility reasons, but companies are increasingly shifting production away from these.
While this is technically true, it is also a simplistic summary. NVMe skimps almost universally on DRAM cache, whereas legacy SATA drives date to an era when manufacturers gave a shit about us and retained the feature. When copying large files (terabytes), they don't slow to a crawl on these legacy drives and ironically can move faster overall than NVMe that skimps on cache.

My favorite feature of 2.5" SATA drives is that they are like removable data cartridges using IcyDock front bay ports.
3
Yesterday 09:58 PM
1,601 Posts
Joined Jul 2019
BlueVoyager308Yesterday 09:58 PM
1,601 Posts
Quote from yapchagi :
this discount sucks compared to a few years back. But it's still the best option now. I wish I bought it last time at $170 for 4 TB. I need SATA SSD for games. Already using the NVME for another SSD for OS.
Buy the M.2 SSD and use PCI-E adapter card. Or, with the same $230 you can buy a WD-Black SSD. Put your OS and games on the same SSD. In older times, you don't want to put the OS and other stuff on the same hard drive, because they would compete for the I/O bandwidth. Now with SSD, no longer it's an issue.

No way I'd pay $230 for a SATA 4 TB. Not even at $100 because of the limited number of SATA ports on the motherboard. I need SATA ports for the 20TB drives.
Last edited by BlueVoyager308 August 11, 2025 at 03:06 PM.
Today 12:22 AM
8,353 Posts
Joined Oct 2008
DontTaxBeerToday 12:22 AM
8,353 Posts
Quote from mvpcrossxover :
$170 back in 2023 according to SD history. We're going the opposite direction
fake Tarifflation. everyone's jumping on the bandwagon. surprised it's still this price and not $500. i was waiting for the price to come down, but it never did. ended up calling it a day and saying goodbyte to outdated slow tech and got a ASUS Z890-E with 7 nvme slots.

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Today 01:54 AM
681 Posts
Joined Aug 2012
riffdexToday 01:54 AM
681 Posts
Quote from amax :
While this is technically true, it is also a simplistic summary. NVMe skimps almost universally on DRAM cache, whereas legacy SATA drives date to an era when manufacturers gave a shit about us and retained the feature. When copying large files (terabytes), they don't slow to a crawl on these legacy drives and ironically can move faster overall than NVMe that skimps on cache.

My favorite feature of 2.5" SATA drives is that they are like removable data cartridges using IcyDock front bay ports.
The protocol used by NVME opened up support for HMB, which will never be supported by the SATA protocol. It's less about them "giving a shit about us" by including this feature on SATA drives as much as it's for all practical purposes a necessity for them to have a DRAM cache. You're definitely correct that these drives have some niche applications where they really shine.
Today 01:55 AM
1,563 Posts
Joined Dec 2005
KapidexToday 01:55 AM
1,563 Posts
Should be $100 at this point
1
Today 02:46 AM
2,187 Posts
Joined Oct 2011
MWinkToday 02:46 AM
2,187 Posts
Quote from riffdex :
SATA based SSDs are becoming increasingly niche, and generally utilize the same fast NAND utilized in NVMEs, just bottlenecked by the SATA protocol. The physical size of a SATA SSD also has some added material costs. They will still be a necessary market to maintain for compatibility reasons, but companies are increasingly shifting production away from these.
Modern SATA drives often use older and/or lower binned NAND. They're really only bottlenecked by the SATA bus when it comes to sequential reads and pSLC writes. Post-pSLC writes are absolutely abysmal on most modern DRAM-less SATA drives (often averaging roughly 40-80MB/s). The Samsung 870 EVO is a major exception and really doesn't slow down. It's one of the only decent SATA drives left.

Quote from amax :
While this is technically true, it is also a simplistic summary. NVMe skimps almost universally on DRAM cache, whereas legacy SATA drives date to an era when manufacturers gave a shit about us and retained the feature. When copying large files (terabytes), they don't slow to a crawl on these legacy drives and ironically can move faster overall than NVMe that skimps on cache.

My favorite feature of 2.5" SATA drives is that they are like removable data cartridges using IcyDock front bay ports.
There are almost no SATA SSDs left on the market that have DRAM. The 870 EVO is one of the very few exceptions. Most remaining SATA SSDs are DRAM-less. While not related to the lack of DRAM, their post-pSLC write speeds tend to be utterly abysmal. Even a DRAM-less QLC NVMe will have no trouble running circles around them.
Pro
Today 03:01 AM
6,924 Posts
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amax
Pro
Today 03:01 AM
6,924 Posts
Quote from MWink :
Modern SATA drives often use older and/or lower binned NAND. They're really only bottlenecked by the SATA bus when it comes to sequential reads and pSLC writes. Post-pSLC writes are absolutely abysmal on most modern DRAM-less SATA drives (often averaging roughly 40-80MB/s). The Samsung 870 EVO is a major exception and really doesn't slow down. It's one of the only decent SATA drives left. There are almost no SATA SSDs left on the market that have DRAM. The 870 EVO is one of the very few exceptions. Most remaining SATA SSDs are DRAM-less. While not related to the lack of DRAM, their post-pSLC write speeds tend to be utterly abysmal. Even a DRAM-less QLC NVMe will have no trouble running circles around them.
Incorrect. One of the most ubiquitous SATA SSDs for a long time was the MX500, with excellent caching: I repeat, copying very large files to a good SATA SSD can take less total time than onto a typical DRAM-less NVMe after the first few gigabytes.

And Crucial killing the MX500 is further evidence of corporations insulting our intelligence. They prefer product tiering at the highest profit margins, handicapping NVMe until customers are dumb enough to pay an irrational premium for properly cached drives.
1
Today 03:07 AM
1,601 Posts
Joined Jul 2019
BlueVoyager308Today 03:07 AM
1,601 Posts
Quote from DontTaxBeer :
fake Tarifflation. everyone's jumping on the bandwagon. surprised it's still this price and not $500. i was waiting for the price to come down, but it never did. ended up calling it a day and saying goodbyte to outdated slow tech and got a ASUS Z890-E with 7 nvme slots.
Three (3) M.2 ports are all I need. Currently two M.2 ports are vacant on my motherboard. $230 for a stick of 4TB SSD is still too rich for my blood. Only bought one. I spent the money on 18TB and 20TB hard drives. That's where the value is.
Today 03:55 AM
2,187 Posts
Joined Oct 2011
MWinkToday 03:55 AM
2,187 Posts
Quote from amax :
Incorrect. One of the most ubiquitous SATA SSDs for a long time was the MX500, with excellent caching: I repeat, copying very large files to a good SATA SSD can take less total time than onto a typical DRAM-less NVMe after the first few gigabytes.

And Crucial killing the MX500 is further evidence of corporations insulting our intelligence. They prefer product tiering at the highest profit margins, handicapping NVMe until customers are dumb enough to pay an irrational premium for properly cached drives.
What exactly am I incorrect about? I agree that the Crucial MX500 was a great drive. However, it's not relevant to my comments because, as you rightly noted, it's been discontinued. Even aside from that, most modern DRAM-less NVMe drives are likely to outpace the MX500. There might be a few exceptions but most would.

BTW, the presence of DRAM itself has little to do with sustained write performance. That's mostly impacted by the pSLC cache implementation and underlying type of NAND. I wish Crucial had stuck to the limited hybrid pSLC cache setup they used in the MX500 line. Most of their newer NVMe drives max out the size of the dynamic portion. That means that once the cache is full, the drive has to enter a folding state, and that tanks performance even more than direct-to-TLC/QLC. The sustained write performance of the T500 (which has DRAM) is an embarrassment.
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