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Petabyte-Class E2 SSDs Poised to Disrupt Warm Data Storage – Storagereview.com

13 rbanffy 7 6/1/2025, 3:27:40 PM storagereview.com ↗

Comments (7)

gigatexal · 1d ago

So a 1M+ usd drive?

UltraSane · 22h ago

The Solidgm D5-P5336 122.88TB SSD is $12,000

$12,000 * 1000/122 is about $98,000.

While expensive these drives would be so much denser than magnetic drives that they would save a LOT of data center room and probably prevent many new data centers from having to be built so might be cheaper in long term total cost of ownership.

https://www.shopblt.com/item/solidigm-d5-p5336-122.88tb-9.5m...

rbanffy · 22h ago

> The Solidgm D5-P5336 122.88TB SSD is $12,000

6 2.4TB data-center grade SAS HDDs would cost $3,600, making flash roughly 3.5x more expensive. OTOH, HDDs would occupy a lot more space, generate a lot more heat, and draw a lot more power. A 2U rack server has space for about 30 2.5 units. That'd be about 120 TB in HDDs, but could reach 3+ PB of flash storage.

therealpygon · 17h ago

Sorry… I’m not sure that math is mathing for me. How do you get that 122 TB of flash is 3.5x more expensive that 12TB of SAS? Aren’t you a full order of magnitude in the wrong direction or did I miss something? Or I guess to say, 12TB would be $1,200 for flash, comparably, making it 3x cheaper, no?

rbanffy · 6h ago

Sorry. I half-edited. It was originally 20TB, but 20TB drives only come in 3.5 inch form factor, so I was going with 2.4TB drives (which is the biggest 2.5 I could find directly from configuring servers). You can't fit 122TB of them in a 2U server.

UltraSane · 15h ago

This article [1] talks about a 2U server containing 40 1PB drives which would be 40PB/server * 20 servers/rack = 800PB per rack.

102 32TB hard drives in a 4U 102 bay JBOD would is the densest magnetic storage can get. If we can put 8 of these in a rack leaving 10U for switches and servers that would be only 26PB per rack. So these 1PB SSDs would be up to 30 times denser.

[1] https://www.storagereview.com/news/e2-ssd-form-factor

hulitu · 10h ago

> Petabyte-Class E2 SSDs Poised to Disrupt Warm Data Storage – Storagereview.com

No info about reliability, a feature at which flash storage does not exceeds.