Calxeda boasts of 5 watt ARM server node • The Register

Calxeda is not going to make and sell servers, but rather make chips and reference machines that it hopes other server makers will pick up and sell in their product lines. The company hopes to start sampling its first ARM chips and reference servers later this year. The first reference machine has 120 server nodes in a 2U rack-mounted format, and the fabric linking the nodes together internally can be extended to interconnect multiple enclosures together.

via Calxeda boasts of 5 watt ARM server node • The Register.

SeaMicro and now Calxeda are going gangbusters for the ultra dense low power server market. Unlike SeaMicro, Calxeda wants to create reference designs it licenses to manufacturers who will build machines with 120 cores in a 2 Unit rack. SeaMicro’s record right now is 512 cores per 10U rack  or roughly 102+ cores in a 2 Unit rack. The difference is the SeaMicro product uses an Intel low power Atom cpu,  whereas Calxeda is using a processor used more often in smart phones and tablet computers. SeaMicro has hinted they are not wedded to the Intel Architecture, but they are more interested in shipping real live product than coming up with generic designs others can license. In the long run it’s entirely possible SeaMicro may switch to a different CPU, they have indicated previously they have designed their servers with flexibility enough to swap out the processor to any other CPU if necessary. It would be really cool to see an apples-to-apples comparison of a SeaMicro server using first Intel CPUs versus ARM-based CPUs.

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