ALLONE Cloud Disk Drive 101 RAMDisk Review (32GB) – 500K IOPS of DDR3 Storage

INTERNAL COMPONENTS

AllOne SSD Top

As we eluded to earlier, the ALLONE Cloud Disk Drive 101 is made up of 4 major components: DRAM, Controller, Battery and SD Card backup.  These components are all located on a full height PCIe x4 Gen1 add-in card.

Allone-Back 2

For the DRAM, ALLONE has chose Kingston’s HyperX PnP.  This SO-DIMM DDR3-1600 module is of the 1.35V variety.  In total, there are 4 SO-DIMM slots, giving us a total capacity of 32GB.

Allone-DRAM2

Next up is the RamCore M5338e controller.  This controller manages the DRAM and SD backup operations.

Allone-Controller

The battery backup solution is a large 3.7V 3000mAh external battery that is held in place by a plastic bracket.  The battery serves two purposes.  The first is to maintain the power for the system when there are brief power failures.

Allone-Battery

The second is to hold that power on long enough to back up to the microSD cards.  There is an LED indicator to show when batter power is being applied.

Allone-microSD2

Finally, we have the 6 microSD cards, which are also Kingston.  These 8GB modules are all class 10 and are in a RAID 5 configuration, so the loss of a single card does not cause data loss.

Allone-SD

Each microSD slot also has an LED to indicate whether the card has been removed.  It is interesting that ALLONE chose microSD cards for their backup and not more reliable on-board NAND.  ALLONE made it clear to us that the microSD cards are for emergency situations only, so they should not see very much usage.

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felix
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felix

4? Random Reads @ QD1 reached 60KIOPS or am i starting to grow old ‘n’ losing my vision ?

Alexandru Maran
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Alexandru Maran

How much for this?

Les@TheSSDReview
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ummm $15000

S622
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S622

Oh wow, I thought it was only $6k. $15k for consumer grade ram, with consumer grade SD cards with gen 1 pci-e. Pass.

dravo1
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dravo1

An overpriced solution in search of a problem. At 32GB about the only thing I could see it being used for is a high speed scratch area for database queries. Fortunately, I could just use a regular RAMdisk for that at almost no cost.
I expect to see these featured at overstock.com in the near future………

Frenchy2k1
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Frenchy2k1

Read the results and realize where the limit is. Most SSD are IOps limited, this thing is bandwidth limited. At QD32, it does not matter if you are doing 512B, 4k or 128k, multiply the Iops by the payload and you get the same limit (~600MB/s). They are limited by their PCIe gen1 x4. Their RAM should be good for 32bits*4*1600Mbps=25.6GB/s. If they can increase their RAM support (to 16GB or more SODIMM), have equivalent MicroSD (bunch of 16GB) and raise their bus to gen3 (4GB/s) or even better widen it to x8 or x16, then they may have an… Read more »

S622
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S622

I have no idea what this product is supposed to be used for. It’s pci-e 1x, no clue why, limits the bandwidth as you said. I’d like to see this with gen3 pciE and either a x8 or even x16 slot. If you need some low latency transactional ram, you purchase more ram. 16GB sticks are around 170 bucks for 1866mhz DDR3 ECC RAM, and around the 220 range for DDR4 2133. I can purchase a hell of a lot of ram before I’d use something like this, and even have so much money left over that I could put… Read more »

dnz
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dnz

Please stop making statements like “this is not an SSD”. It is! SSDs cover ALL solid state technologies for storage. While SSDs have become synonymous with flash storage in recent years, the two terms are not interchangeable. Enterprise storage companies rarely use the term SSD because it is non-descriptive of the underlying technology. They prefer to use terms like Enterprise Flash Drive (EFD).