Upon further investigation, we found that the second SATA Express port on the board came from an ASMedia ASM106SE bridge chip. We were not able to find any information about the new bridge online, but we have enough here to run it through the mill with some tests.
ASMedia was founded in 2004 by ASUSTeK Computer Group and specializes in digital and analog IC designs. We've seen ASMedia silicon used on a number of motherboards for USB, SATA and Thunderbolt. The ASM106SE appears to be the first SATA Express add-on bridge.
ATTO Disk Benchmark
Version and / or Patch Used: 2.34
Note: ATTO is a timeless benchmark used to provide manufactures with data used market storage products.
The sequential performance doesn't change when we move to the ASMedia ASM106SE SATA Express chip. This is a big change compared to years past when Intel dominated the performance of SATA hosts. Let's check the other areas.
Version and / or Patch Used: 3.0 Technical Preview
Note: Crystal Disk Mark 3.0 Technical Preview was used for these tests since it offers the ability to measure native command queuing at 4 and 32.
The 4K and 4K at depth performance is also nearly identical - definitely within the margin of error for this test.
AIDA64 Random Access Time
Version and / or Patch Used: 1.60
Note: AIDA64 offers several different benchmarks for testing and optimizing your system or network. The Random Access test is one of very few if not only that will measure hard drives random access times in hundredths of milliseconds as oppose to tens of milliseconds.
AIDA Read Latency (64KB)
AIDA Write Latency (64KB)
The read (top) and write (bottom) latency measurements were identical as well.
The ASMedia ASM106SE delivers the same performance in our early test as the Intel PCH SATA Express. This is good news for users looking forward to adding more than one high-speed SSD to a desktop system.
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