google "vertex 4 128gb as ssd" and compare to tweaktown or whatever OP linked
Based on OP link, the drive is fast, but it is not consistently 4X faster than a typical high end MLC drive, as the price would dictate. Nothing special here.
There are applications that can benefit from it, but those applications make the price irrelevant.
SLC isn't performance flash. All these analogies are retarded, it is a tech used for completely different purposes than MLC. You use the right technology for the right application, and MLC is what you use for enthusiast/gaming desktops. Anyone who buys this for a home desktop is 100% clueless, period.
And SLC will NEVER replace MLC. The entire point of MLC is you get far more storage for the same amount of flash chips. If 1TB MLC drives end up $100, you can be sure SLC drives will still be $300.
There are a lot of things that many people commenting don't understand about SSDs.
1. SLC has a lower read and write latency. SandForce doesn't use a DRAM buffer like Marvel or Samsung. Once the buffer fills the drives increase in latency and they slow down while you use them. The Samsung 830 was really bad about this and very few reviewers covered it (they also dropped the ball on the SF TRIM issue).
2. When you RAID 0 SSDs you add latency, just like with HDDs. Latency is what makes SSDs feel fast. Do you really think you're getting 500MB/s when booting to Windows? No, but the low latency makes it feel like it. Everyone's brains are wired from all of the marketing hype to look at massive throughput but it rarely means anything until you copy and paste files. The same can be said for IOPS. Companies quote IOPS at QD32 but you aren't hitting QD32 in your desktop or notebook. IOPS at low queue depth is what matters, QD1 to QD8. Guess what flash gives the best performance at low queue depths, .
3. Yes they are expensive, sorry about that but companies making enterprise 128GB SLC flash drives are selling them for 1200+ Dollars. These drives use 8 SLC NAND flash chips and the flash normally sells for around 130 Dollars each chip. I did what I could on the price. SLC is expensive.
4. Adding to the cost is an amazing accessory package that was put together by the guy who reviews more SSDs than anyone else in the world, online or in print (me). I put together the SSD that I wanted to buy. Most of us only buy one SSD and want it to last a long time. We don't want to mess with playing the upgrade game every six months. This is that drive, it nearly maxes SATA III read and write speeds and uses 100K NAND flash that will last nearly forever under normal desktop or notebook use.
I don't know what everyone here does but most of us are experts in something. In many cases we're in a position where we can't speak up and change the way your companies product rolls out to the public but you have ideas to make a product better. I was just in a position where I could take a really good product and add to it to make what I feel is a superior product compared to everything else on the market. I understand that not everyone 'gets it' and that the price is higher than most of the others. The quality, features and performance are higher than everything else out there. Three reviewers have them, three reviewers that see nearly every SSD on the market, and all three say this is the best there is.
As for the PCIe drives listed with massive prices. I have both. the FusionIO can't boot and the RevoDrive 3 is slower than my drive when you get it to steady state. It doesn't have TRIM and SandForce doesn't have background garbage collection unless you hit specific requirements for capacity of the flash used. Thus it slows down because before every write operation it needs to do a read, erase and write cycle.
CR - TweakTown SSD Reviewer
PS - I love this site but every time I come here I spend all of my money on something.
If you dig a little deeper you'll find that several of the high return rate SF drives also have poor voltage regulation. That falls directly on the manufactures and not SF. I'm working on tests that cover that in the future too.
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