MyDigitalSSD Super Cache 2 64GB Benchmarks and Review

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MyDigitalSSD Super Cache 2 64GB Top
MyDigitalSSD Super Cache 2 64GB Top

Recently we have had several platforms in the lab that are able to accept mSATA SSDs. As a result, we are looking at inexpensive options for boot drives with the expectation that there is other shared storage in the environment. Today we are looking at the MyDigitalSSD Super Cache 2 64GB 50mm drive which retails on Amazon for under $55. MyDigitalSSD includes a FNet HybriDisk license key for installations where one has a rotating spindle disk and wants to cache data on the SSD. This piece will be followed-up by more in-depth side-by-side comparisons in the near future as part of a sub-$80 mSATA round-up we are working on.

Test Configuration

We are using our SSD test bed for these drives for consistency purposes. To make all of our mSATA SSD series drives work in the platform we are using a nice Syba mSATA to 2.5″ SATA converter.

  • Processor: Intel Xeon E3-1275 V3
  • Motherboard: Supermicro X10SAE (Intel C226 based)
  • Boot SSD: Samsung 840 Pro 256GB boot drive
  • RAM: 32GB DDR3 ECC 1600MHz 4x 8GB UDIMMs

We are not testing these drives on our LSI SAS controller configuration for a simple reason: the mSATA form factor is unlikely to be utilized with LSI controllers in end-user systems.

The MyDigitalSSD Super Cache 2 50mm mSATA SSD

The MyDigitalSSD Super Cache 2 drive we are looking at here is the 50mm mSATA model. Those are important figures as there are newer interfaces and various sizes for the newer form factor SSDs.

MyDigitalSSD Super Cache 2 64GB Top
MyDigitalSSD Super Cache 2 64GB Top

We peeled back the large sticker on the MyDigitalSSD Super Cache 2 drive and saw an interesting configuration. There is a Phison PS3109-S9 four channel NAND controller onboard. The  TT57g2LAKA packages one can see are Toshiba 19nm Toggle NAND.

MyDigitalSSD Super Cache 2 64GB No Sticker
MyDigitalSSD Super Cache 2 64GB No Sticker

On the rear of the SSD we can see two more TT57g2LAKA packages. 64GB of flash in four packages means we have 16GB of flash on each Phison controller channel.

MyDigitalSSD Super Cache 2 64GB Bottom
MyDigitalSSD Super Cache 2 64GB Bottom

One thing that we do not see, is onboard DRAM cache which many controllers use. Total NTFS formatted space was 59.62GB which makes sense for a 64GB class SSD.

MyDigitalSSD Super Cache 2 Benchmarks

It is important, especially with SSDs not to take a single test result at face value. One should look at a few different tests to get an idea of how the drives perform in different scenarios. To this end, AS SSD benchmark, CrystalDiskMark, ATTO all show different facets of performance.

AS SSD Benchmark

AS SSD is a solid benchmark that does not write compressible data to drives. The result is perhaps one of the best workstation SSD benchmarks available today.

MyDigitalSSD Super Cache 2 64GB AS SSD
MyDigitalSSD Super Cache 2 64GB AS SSD

Here we see some decent performance from the Super Cache 2. Sequential read speeds of 450MB/s and 4K-64 thread results of 147MB/s are very strong for a $55 SSD.

CrystalDiskMark

CrystalDiskMark is another benchmark which gives non-compressible read/write numbers. This is in contrast to the ATTO Benchmark used by LSI/ Sandforce and its partners when they market a given solid state drive.

MyDigitalSSD Super Cache 2 64GB CrystalDiskMark
MyDigitalSSD Super Cache 2 64GB CrystalDiskMark

Again wee see high queue depth 4K and sequential read speeds are fairly high on the Super Cache 2. Write speeds are a bit higher than we saw with AS SSD.

ATTO Benchmark

The value of the ATTO benchmark is really to show the best-case scenario. ATTO is known to write highly compressible data to drives, which inflates speeds of controllers that compress data like LSI/ SandForce does prior to writing on a given solid state drive.

MyDigitalSSD Super Cache 2 64GB ATTO Benchmark
MyDigitalSSD Super Cache 2 64GB ATTO Benchmark

ATTO provides an interesting view on what is going on here. The Super Cache 2 box states 550MB/s read and 430MB/s writes and we were within 10% of both of those figures. With highly compressible ATTO writes, the Phison controller does extremely well.

Conclusion

As a first, and least expensive mSATA SSD in our roundup the MyDigital Super Cache 2 64GB SSD did well. Performance was certainly “good enough” for a HTPC or other application where there is another source of mass storage (NAS or rotating disk as an example.) The performance is certainly better than the vast majority of USB 3.0 drives out there so it makes an excellent low-cost boot drive option. For those running HTPC, ESXi or Hyper-V server builds on platforms such as the Intel NUC series, Supermicro X10SBA, or similar platform, this is a very interesting $55 option for a mSATA boot device.

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Patrick has been running STH since 2009 and covers a wide variety of SME, SMB, and SOHO IT topics. Patrick is a consultant in the technology industry and has worked with numerous large hardware and storage vendors in the Silicon Valley. The goal of STH is simply to help users find some information about server, storage and networking, building blocks. If you have any helpful information please feel free to post on the forums.

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