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Adaptec AHA-2940UW (SCSI Host Adapter, PCI)

I/O Adaptec, Adapter, PCI, SCSI

Adaptec AHA-2940UW (SCSI Host Adapter, PCI)
Linux compatibility: Only the Linux compatibility is rated on this page, not the general quality of the product. If you use this product with Linux, please rate it and share your experience in the comment area of this page (bottom) to support other Linux users.
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Price: $ 55.00 (on stock)
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Adaptec AHA-2940UW 
Minimum: $ 35.00 
Maximum: $ 55.01  
Updated: 09/04/2016 13:31

Review of Linux Compatibility

The Adaptec AHA-2940UW is a SCSI host adapter for the PCI port. It has the PCI ID 9004:8178:

04:01.0 SCSI storage controller [0100]: Adaptec AHA-2940U/UW/D / AIC-7881U [9004:8178] (rev 01)
	Subsystem: Adaptec AHA-2940UW SCSI Host Adapter [9004:7881]
	Kernel driver in use: aic7xxx
	Kernel modules: aic7xxx

It was successfully used under Gentoo Linux with kernel version 3.9.7, where the AHA-2940UW is fully supported by the aic7xxx kernel module, which loads automatically:

        <Adaptec 2940 Ultra SCSI adapter>
        aic7880: Ultra Wide Channel A, SCSI Id=7, 16/253 SCBs
md: linear personality registered for level -1
md: multipath personality registered for level -4
md: raid0 personality registered for level 0
md: raid1 personality registered for level 1
async_tx: api initialized (async)
raid6: mmxx1     3878 MB/s
raid6: mmxx2     4355 MB/s
raid6: sse1x1    2601 MB/s
raid6: sse1x2    3367 MB/s
raid6: sse2x1    4542 MB/s
raid6: sse2x2    4972 MB/s
raid6: using algorithm sse2x2 (4972 MB/s)
raid6: using ssse3x1 recovery algorithm
xor: measuring software checksum speed
   pIII_sse  : 11640.000 MB/sec
   prefetch64-sse: 13320.000 MB/sec
xor: using function: prefetch64-sse (13320.000 MB/sec)
md: raid6 personality registered for level 6
md: raid5 personality registered for level 5
md: raid4 personality registered for level 4
md: raid10 personality registered for level 10

Identified Hardware Configurations (1 Result)

This hardware component was used by Linux users under the following system configurations. These results were collected by our LHG Scan Tool:
Scan Date
unknown 3.9.7-gentoo - 06/07/2015

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