ClickCease

Startech 2-Bay USB 3.0 RAID Enclosure with UASP

Model: S3520BU33ER

StarTech Warranty
Startech s3520bu33er 1
Startech s3520bu33er 1
Startech s3520bu33er 2
Startech s3520bu33er 3
Startech s3520bu33er 4
Startech s3520bu33er 5
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Specifications

Software

OS Compatibility - Windows 8/8.1 (32/64 bit), 7 (32/64 bit), Server 2008 (32/64 bit), Vista (32/64 bit), Server 2003 (32/64 bit), XP (32/64 bit), 2000 - Apple Mavericks (10.9) OSX Mountain Lion (10.8), Lion (10.7), Snow Leopard (10.6) - Linux - Google Chrome OS
Certification Microsoft WHQL certified

Power

Input Voltage 100 to 240 VAC
Plug Type M
Center Tip Polarity Positive
Output Current 3 A
Output Voltage 12 VDC

Physical Characteristics

Weight 21.9 oz / 620.0 g
Dimensions (L x W x H) 6.9 x 4.4 x 3.3" / 175.3 x 111.8 x 83.8 mm
Enclosure Type Aluminum and plastic

Performance

Port Multiplier Yes
RAID Yes
Supported RAID Modes BIG (Spanning or Concatenation) JBOD - (Just a Bunch of Disks) RAID 0 (striped disks) RAID 1 (mirrored disks)
Hot Swap Support Yes
Maximum Drive Capacity Currently tested with up to 4 TB 7200 rpm hard drive
Type and Rate USB 3.0: 5 Gb/s SATA III: 6 Gb/s
Protocol UASP support

Packaging Info

Box Dimensions (LxWxH) 10.2 x 7.5 x 5.6"
Package Weight 3.0 lb

Indicators

LED Indicators Enclosure power Drive 1 activity Drive 2 activity

Hardware

Drive Size 3.5"
Number of Drives 2
Fan Built-in 80 mm Bearing Type: Ball bearing
Bays Number of Internal Bays: 2
Drive Installation Fixed
Interface eSATA USB 3.0
Compatible Drive Types SATA
Chipset ID JM562

Environmental

Storage Temperature -4 to 122°F / -20 to 50°C
Operating Temperature 41 to 95°F / 5 to 35°C
Humidity 20 to 80% RH

Connectors

Drive Connectors SATA Data & power combo (7+15-pin) receptacle
Host Connectors eSATA (7-pin; data) female USB 3.0 B (9-pin; SuperSpeed) female
User Reviews
8 February 2015
8.0/10

The unit seems to function well enough, I'll know more after a few months of use. It was relatively easy to set up but fortunately I saw instructions online before I ever set up the drive. The provided instructions from StarTech is very poor.

20 July 2014
8.0/10

  • +

    Looks good and works very well. Love Startech products.

  • -

    A bit hard to set up in RAID mode (had to repeat the procedure several times to get it to work), but once it works, it is perfect. Maybe a little cons is the blue light: very bright.

31 August 2015
8.0/10

Install is one screw and drop in drives. Plenty of rubber on drives and on feet to keep vibration very minimal, but fan and drive noise are still fairly loud. +1 on power supply not being an outlet brick. Unit does not sleep or power down.

10 September 2014
8.0/10

Drives went in with no trouble and set up for Raid 1. Still in the testing phase, but everything seems A OK. Could use better instructions on what the status lights are showing.

14 May 2015
4.0/10

Unit works well with two 4TB drives installed, but ONLY when connected to a computer. Unit is not seen when connected to the USB2 port on either my Oppo model 103 Bluray player or my LG model BD-660 Bluray player. So, a complete waste of money for me.

14 December 2016
2.0/10

Yes, the price seems affordable, but you get what you pay for applies here. My unit, after one year of light usage, has a broken fan, which causes the RAID to stop functioning, which causes Windows Explorer to crash, its just not good. I in NO WAY have any long-term confidence in this unit.

27 May 2016
2.0/10

If it doesn't turn on in a week or so I will RMA it or something.

  • +

    It ran for about an hour....then it died.

  • -

    When I hit the power button it just flicks on and then off. I am not sure what the issue is. I've changed wall plugs 3 times already and it has not made a difference. Makes me sad as I really wanted to reuse these two hard drives I wasn't using.

9 November 2015
10/10

I liked that it only took one screw to install both drives. reassuringly solid metal housing with a plastic front. Set it up for mirroring and it required reformatting the drives, though they had been set up to mirror previously in a LaCie box. Wakes up faster than my 5-year-old LaCie box.

23 March 2015
10/10

I am using this simply as occasional redundant backup for my media drive (pictures, music, etc...) so it does not get heavy use. Eventually I will get a matching drive to store my movies are utilize this in redundant RAID to play all my media so it will get much heavier use.

  • +

    I cannot comment on the RAID functionality yet as I have yet to utilize it in that manner, however standard functionality works well on eSATA with two different HDDs. I like the purpleish activity flash as opposed to the generic red.Or maybe it just appears purple because the blue never goes out.

  • -

    Lights are a bit bright, but that is pretty much the way of every computer device these days. Bright and blue. The foam on the inside used to stabilize the drives leaves a tiny bit of wiggle room, but it sits on top of my HTPC at all times so that isn't much of an issue.

11 February 2015
8.0/10

Turns out that the Vantec NexStar MX enclosure uses the same JMicron chipset. If you navigate to their site and download their driver file jmb39x_raid_ap1.zip, you can configure the Star Tech enclosure in any configuration without regard to the config switch setting.

  • +

    Nicely constructed box, one screw installation for both drives. Fan is reasonably quiet, and case runs cool to the touch

  • -

    I could not get the box to configure as a RAID 1 system using two new WD Red WD40EFRX 4TB drives, no matter how many times I tried the setup instructions. Window 7 64 bit Ultimate insisted on calling it a RAID 0 setup when connected over USB 3.0.

Product Highlights
  • 2 x 3.5" SATA III Drive Bays
  • USB 3.0 & eSATA Interfaces
  • RAID 0, 1, JBOD, & BIG
  • Hardware Controller
  • Plug-and-Play Compatible
  • Built-in Fan
  • UASP Support
  • LED Indicators
In The Box
  • StarTech 2-Bay USB 3.0 RAID Enclosure with UASP
  • eSATA Cable
  • USB 3.0 Cable
  • Universal Power Adapter (NA/EU/UK) or AU in Australia
  • Rubber Foot Set
  • Limited 2-Year Warranty
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