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meerkt
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PNY CS900 SSD series: 240/250, 480/500, 960/1TB

Tue Oct 01, 2019 2:45 pm

The CS900 series includes two variants for almost every size:

240 and 250GB
480 and 500GB
960GB and 1TB

Is it different controller/flash combos sold under the same series, or something else?
 
Waco
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Re: PNY CS900 SSD series: 240/250, 480/500, 960/1TB

Tue Oct 01, 2019 4:21 pm

Given the lack of differentiation on the spec sheet, one would hope it's just slightly different provisioning to hit price points.
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meerkt
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Re: PNY CS900 SSD series: 240/250, 480/500, 960/1TB

Tue Oct 01, 2019 4:32 pm

Currently:
$30/32 240/250
$50/53 480/500
$89/95 960/1000

Ever seen any other models with a similar scheme?
 
Waco
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Re: PNY CS900 SSD series: 240/250, 480/500, 960/1TB

Tue Oct 01, 2019 6:50 pm

In the past I've only seen it on controller/flash refreshes. It's definitely odd to see them sold side-by-side.
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meerkt
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Re: PNY CS900 SSD series: 240/250, 480/500, 960/1TB

Tue Oct 01, 2019 7:25 pm

The larger counterparts were added recently. That spec PDF is from 3 months ago. PNY's site didn't list them half a year ago.

Either they've changed components, or perhaps better binned flash for an extra 1-3 dollar, like you said.
Makes me wonder why no real midway models: 200-400-800 GB.
 
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Re: PNY CS900 SSD series: 240/250, 480/500, 960/1TB

Wed Oct 02, 2019 5:46 am

meerkt wrote:
The larger counterparts were added recently. That spec PDF is from 3 months ago. PNY's site didn't list them half a year ago.

Either they've changed components, or perhaps better binned flash for an extra 1-3 dollar, like you said.
Makes me wonder why no real midway models: 200-400-800 GB.

Ahh, OK.

Yeah, better binned flash and/or improved controller/firmware (reducing the need for overprovisioning) is a possibility. Another potential scenario is that nothing was actually improved and all they did was decrease the overprovisioning to trade off endurance for capacity.

Since that spec sheet doesn't quote any endurance numbers it is impossible to say which it might be.
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meerkt
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Re: PNY CS900 SSD series: 240/250, 480/500, 960/1TB

Mon Dec 16, 2019 7:21 pm

Gee, also Crucial is doing these shenanigans with the BX500.
960GB and 1TB. Both, supposedly, SM2259XT and same Micron flash. Only apparent difference: 240TBW and 360TBW.

I think the 960GB is being phased out. The 1TB has been available for a few weeks now.
 
Igor_Kavinski
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Re: PNY CS900 SSD series: 240/250, 480/500, 960/1TB

Tue Dec 17, 2019 7:31 am

Is it possible 960GB and 1TB have the same amount of flash, just more reserved space in 960GB?
 
meerkt
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Re: PNY CS900 SSD series: 240/250, 480/500, 960/1TB

Tue Dec 17, 2019 7:41 am

Anything's possible, but the lower TBW suggests there's more to it.
Maybe flash quality has improved between the 960GB and the 1TB? Or maybe they've just become more certain of its reliability.

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