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Item#: N82E16817707274

StarTech SAT3540U3ER Aluminum / Plastic 3.5" Black SATA II USB3.0 & eSATA 4 Bay External Hard Drive Array RAID Tower – Enclosure

  • Supports USB 3.0/20/1.1
  • Rugged aluminum chassis
  • Plug-and-Play and hot-swap compatible
  • Supports SATA revision 1/2/3
  • Plug-and-Play / Hot-Swapable
  • Automatic power-saving mode
This product qualifies for the Iron Egg guarantee. We'll match any qualifying competitor's price.
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Learn more about the STARTECH SAT3540U3ER




AC Adapter
Aluminum / Plastic
Internal Interface
External Interface
USB3.0 & eSATA
Maximum Capacity (per Bay)
Up to 4TB
1 x 80mm
Key Lock: No
Number of Drives: 4
Drive Installation: Removable
Chipset ID: JMicron JMB394 + JMB355 + JMS539

Type and Rate: USB 3.0 - 5 Gbit/s; SATA II (3 Gbps)
Supported RAID Modes:
- BIG (Spanning or Concatenation)
- RAID 0 (Striped Disks)
- RAID 1 (Mirrored Disks)
- RAID 10 (1+0; Striped set of Mirrored Subset)
- RAID 3 (Striped set with Dedicated Parity)
- RAID 5 (Striped Disks with Parity)

LED Indicators
1 - HDD Error
1 - Power
1 - RAID Rebuild
2 - Fan Mode
2 - Host Connection Type
3 - Fan Speed
6 - RAID Mode

Input Voltage: 115 ~ 230 AC
Output Voltage: 12 DC
Output Current: 5A
Turn 4 SATA hard drives into external RAID storage, connected through USB 3.0 or eSATA. The SAT3540U3ER 4-Drive USB 3.0/eSATA to 3.5" SATA RAID Enclosure is a high-performance external RAID storage solution that supports up to 4 high capacity (tested with up to 4TB per bay) 3.5-inch SATA hard drives over a USB 3.0 or eSATA connection.

The 4-bay RAID enclosure can be connected to the host/source computer through USB or eSATA and automatically builds your SATA RAID array based on your selection (Spanning, RAID 0, RAID 1, RAID 1+0, RAID 3, and RAID 5 supported), delivering a simple, yet flexible external storage solution.

Designed for convenience, the enclosure features front panel LED indicators that provide RAID information and simple hard drive status and activity monitoring. The enclosure also features a built-in, 3-speed 80mm fan with automatic or manual controls that enable you to customize the speed of the fan as necessary to ensure suitable operating temperatures for optimized drive performance.


Operating Systems Supported
Windows XP (32 / 64-bit) / Server 2003 (32 / 64-bit) / Vista(32 / 64-bit) / 7 (32 / 64-bit) / Server 2008 R2, Mac OS X, and Linux

Dimensions & Weight

8.5" x 5" x 6.7"
63.5 oz.


Package Contents
1 - Four drive HDD enclosure

4 - Hard Drive Handle

1 - eSATA Cable

1 - USB 3.0 Cable

1 - Screw driver and screw kit

3 - Power Cord (NA / UK / EU)

1 - Universal Power Adapter

1 - Instruction Manual

Quick Info


  • Limited Warranty period (parts): 2 years
  • Limited Warranty period (labor): 2 years

Customer Reviews of the STARTECH SAT3540U3ER

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  • Jose M.
  • 4/24/2013 7:21:54 AM
  • Tech Level: High
  • Ownership: more than 1 year

4 out of 5 eggsUpdate

Pros: Update: they sent me a new unit and I opted to give them my CC number to charge me, so I get a replacement in a couple days rather than wait 3 weeks. It took about 3 weeks or so to get my refund on my CC, but I did get it. I have to say tech support and returns are handled Ok, not great. 3 weeks turn around for warranty service i think is a little long.

Cons: Well, even after I got the new unit no good, it still wouldn't recognize one of four 3TB seagate barracda drives. If I put the drive in my PC works perfect, but in the raid box no good. I finally had to swap it. I never did get an answer as to why even with one failed drive I couldn't get to my data as I'm running raid 5. Was running fine for another month now another drive is acting funny, had to rebuild twice. I'm thinking this seagate drives are good for about year then they start to fail.

Other Thoughts: If you have the cash go for a better unit.. if not this will due.

1 out of 1 people found this review helpful. Did you? Yes No

  • Jose M.
  • 3/14/2013 8:12:24 AM
  • Tech Level: High
  • Ownership: 1 week to 1 month

2 out of 5 eggsafter 11months problems. not thrilled with startech tech support or return policy

Pros: Price

Cons: failed after 11months, replacement takes normally 3 weeks. Mix results with tech support. Would I buy again? I don't know well see how my RMA works out.. looks like the old saying you get what you pay for but I'll reserve judgement until RMA is processed.

Other Thoughts: So, after 11 months, unit isn't working. Slot 1 thinks there is a bad hard drive, yet if it's raid 5 I still should be able to access data and I cant, unit just sits there and does nothing. Replacing a drive with a brand new drive that is empty not even formatted etc doesn't resolve.. does not put it in a rebuild status nothing. And actually, the drive in slot 1 doesn't appear to be bad anyway. Tech support takes a while to answer, avg is 20min wait time or longer. I can live with that as long as they resovle the issue. I was promised a call back twice and nothing no return call, tech claimed his system went down and lost my info, but when I called back and spoke to someone else my call was logged humm.. after 2 additional days with no call back I called back and this time I wasn't getting off the phone. Finally issued me an RMA, but RMA take 3 weeks is what I was told. They have a cross shipment option where unit is replaced in 48 hours, they take credit card info and when old unit is returned they remove the charge. Let's see what happens..

Did you find this review helpful? Yes No

  • Jose M.
  • 3/5/2013 5:16:21 PM
  • Tech Level: High
  • Ownership: 1 month to 1 year

4 out of 5 eggs

Pros: Cheap, Hot Plug Hard Drive replacement, USB 3,0 and eSATA interfaces, low noise, good performance, and good Raid support.

Cons: The only con is the front face plate is held on cheaply, and there is no monitoring software to tell you if a drive failed you have manually look at your device to see if I drive fails.

Did you find this review helpful? Yes No

  • Jose M.
  • 2/9/2013 3:14:32 PM
  • Tech Level: High
  • Ownership: more than 1 year

4 out of 5 eggsSo far so good

Pros: Good price, so far so good running like a champ.

Cons: front cover is cheap.

Did you find this review helpful? Yes No

  • Rob R.
  • 1/17/2013 7:17:22 AM
  • Tech Level: High
  • Ownership: 1 month to 1 year

4 out of 5 eggsExternal Backup

Pros: Inexpensive; in RAID 5 configuration it copies files fast, small footprint, holds 4 drives.

Cons: cheap case and plastic cover, power plug on side is a bit awkward, hard to read led's; setup of RAID options could be better

Other Thoughts: We purchased 3 of these RAID enclosures to use as backup for various servers. We used 7200k 3TB drives and unit functions well. settings are a little crazy but overall the units have performed well and at a price pint that is attractive. Don't bother putting slower drives in this enclosure.

Did you find this review helpful? Yes No

  • Joseph F.
  • 12/23/2012 12:02:27 AM
  • Tech Level: Somewhat High
  • Ownership: less than 1 day
  • Verified Owner

1 out of 5 eggsDOA?

Pros: Unknown

Cons: Well when I first opened the box, the power adapter had been crushed but it still managed to fit into the power port of the case, but the I powered up the system which defaulted to raid 5, which is what I was planning on doing. It responded with "hard drive error" so I removed each hard drive and tested them individually in my tower and they all worked. Went to switch to the no raid set up to try and isolate which drive it thinks is faulty and the raid confirmation button on the back of the device doesn't seem to work. So I tried each drive individually anyways and it said all 4 of my drives were faulty... Going to try this firmware upgrade to see if it fixes ALL of these problems. If not I will be requesting my money back and getting a different external enclosure.

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Computer Hardware > 
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Hard Drive Enclosures > 
Item#: N82E16817707274
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