SATA Express

As SATA Express never took off because of the two-lane limitation, the SSD and motherboard industries have been looking for an alternative connector for connecting 2.5" SSDs over PCIe. SFF-8639, which is essentially SATA Express on steroids with support for four PCIe lanes, has been viewed as the most potent connector because it already has industry support in the enterprise space and with the SSD 750 Intel brought the SFF-8639 connector to the client side. Given that SFF-8639 isn't a very consumer facing name (even I've had trouble remembering the numbers), the SSD Form Factor Working Group has decided to rename the connector as U.2 to make it more marketable. That coincides well with M.2 that has already been used in the industry for...

Testing SATA Express And Why We Need Faster SSDs

The Serial ATA International Organization didn't have much to worry about when hard drives were the primary (only) media. The laws of rotational physics ensured hard drive speeds would...

130 by Kristian Vättö on 3/13/2014

Breaking the SATA Barrier: SATA Express and SFF-8639 Connectors

Pretty much all high-end client SSDs have no issues saturating the current 6Gbps SATA interface. We've talked about a move to PCIe based SSDs but these are the connectors...

20 by Anand Lal Shimpi on 9/13/2012

Two New SATA Specs: SATA Express & µSSD

The SATA IO working group announced one new spec and that it has begun work on another: µSSD and SATA Express, respectively. These two specs span the gamut from...

15 by Anand Lal Shimpi on 8/11/2011

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