I'd hope we see larger/slower/cheaper SSD's soon

Hulk

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Oct 9, 1999
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As you can see from my sig I have an SSD for my primary drive and a 1TB spinner for secondary. I'd love to see some further stratification of the SSD market to include larger, slower, and cheaper drives to go along with our faster and smaller boot drives.

How about a TLC based 1TB drive? Endurance wouldn't be so much of a factor with large capacity and random performance wouldn't need to be top notch either. Just lots of storage, decent endurance and sequential read/write speeds. If I could see such a drive at $0.25/GB I'd be finished with mechanical drives for everything except perhaps one large back-up drive. Okay, maybe that and my main drive on my HTPC.
 
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Hellhammer

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Apr 25, 2011
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We aren't going to see any mainstream 1TB SSDs (I'm pretty sure you meant 1TB, not 1GB) until next year (128Gb dies are not available yet). It may also take longer for 128Gb TLC dies to become available because usually manufacturers prioritize MLC, which is the highest volume product. TLC in general isn't available in high volume yet (Samsung 840 is an exception since Samsung makes their own NAND) but I expect we'll see more TLC NAND based SSDs next year once TLC volumes are high enough.

Within a year, I can definitely see 1TB TLC SSD selling for ~$250, assuming everything goes well with TLC and 128Gb dies.
 

Hulk

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Oct 9, 1999
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Let me check my math here. 8 channels x 128Gb/channel would yield 1024GB without and over provisioning right? So for TLC would those dies would actually only have to be 42-2/3Gb?

I agree with you that we'll see $0.25/GB in the next year for TLC drives.
 

Hellhammer

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Apr 25, 2011
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Even with TLC we will need 128Gb (or 16GB, if that's easier) dies. The capacity is obviously the same as what a 128Gb MLC die offers, but thanks to more bits per cell the actual die is smaller (hence lower prices).

The problem is that most consumer grade controllers don't support more than eight dies per channel, which is why we need larger capacity dies to overcome the 512GB limit.
 

PlasmaBomb

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Nov 19, 2004
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Let me check my math here. 8 channels x 128Gb/channel would yield 1024GB without and over provisioning right? So for TLC would those dies would actually only have to be 42-2/3Gb?

I agree with you that we'll see $0.25/GB in the next year for TLC drives.

The dies would still be 128Gb as Hellhammer said. TLC is just how the cells are arranged, a SLC, MLC or TLC die can be 128Gb, the difference is the number of transistors required (and hence size of the die).