Areca PCI Express 24 Port SATA RAID Controllers
Anh Tuan Huynh
August 15, 2006 3:24 PM
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Areca's 24-port SATA controller - Image courtesy HardwareXL
Would you like 12, 16 or 24 ports?
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Areca’s new PCI Express SATA II RAID controllers
. The new Areca SATA II RAID controllers are available in three models—ARC-1230ML, ARC-1260ML and ARC-1280ML with 12, 16 and 24 SATA II ports respectively. These Areca SATA II RAID controllers will also support mini SAS connectors by allocating four SATA II ports too. There’s also an ARC-1280 model that lacks the mini SAS capabilities.
The PCI Express x8 based Areca SATA II RAID controllers are based on Intel’s 81341 I/O processor clocked at 800 MHz. One 240-pin DIMM slot is available as a cache and comes with 256MB of DDR2-533 ECC. Memory can be upgraded to 2GB with another DDR2 memory module. Non-ECC memory modules are supported as well.
RAID levels 0, 1, 1E, 3, 5, 6 or JBOD are supported. Native command queuing is also supported. The Areca SATA II RAID controllers also support staggered spin-up and spin down when hard drives are not in use. An Ethernet port is also available for management purposes too.
Availability is unknown as the Areca website still states the controllers as “Coming Soon.” Pricing should be fairly high as expected of server-class SATA II RAID controllers.
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You know you are a tech geek when...
8/15/2006 8:11:16 PM
You build a 24TB array just to find the bottleneck point of a PCIe x16 lane.
RE: You know you are a tech geek when...
8/16/2006 9:38:44 AM
Actually the card only has a PCIe x8 interface (physically it is x16, but electrically only x8).
Still that gives 2GB/s of bandwidth, which would allow all 24 drives to receive a sustained 83MB/s so I don't think the PCIe bus will be the bottleneck with current SATA drives.
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