Access "10GBase-T power issues may slow 10GbE adoption"
This article is part of the Vol. 6 No. 1 March 2007 issue of Using file virtualization to improve network-attached storage
Ethernet adapters were announced in late January to support the 10 Gigabit Ethernet (GbE) over twisted pair (10GBase-T) standard ratified last summer. But it will be a year or two before products arrive to support them, say vendors and analysts, in part due to the power challenges posed by the new standard. 10GbE products have been available for some time, but 10GbE over CX4 co-axial cable can extend only to 15 meters and optical fiber options remain expensive. 10GBase-T over Category 6 or 7 twisted pair cabling can extend up to 100 meters, but power requirements hinder its cost-effectiveness. Ethernet adapter vendor Chelsio Communications announced two single-port, dual-speed 10GbE cards, the S310e-BT storage adapter and the N310e-BT server adapter, in mid-January. At the same time, Tehuti Networks announced its TN7588-S single-port adapter and TN7588-D dual-port adapter. The products support 10GBase-T, but consume more power than the 1GbE cards currently available. "Those are first-generation products [from Chelsio and Tehuti] that have very high power ... Access >>>
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