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Item#: N82E16817392056

VANTEC NexStar HX4R NST-640S3R-BK Aluminum / Plastic 3.5" Black USB3.0 & eSATA Quad Bay RAID HDD Enclosure

  • 3.5"
  • USB3.0 & eSATA
  • Aluminum / Plastic
This product qualifies for the Iron Egg guarantee. We'll match any qualifying competitor's price.
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Learn more about the Vantec NST-640S3R-BK


NexStar HX4R


AC Adapter
Aluminum / Plastic
Internal Interface
External Interface
USB3.0 & eSATA
80 mm
Aluminum Casing Cools Down Your Hard Drive

Vents To Intake Cool Air

Maximum Transfer Rates Up to 5 Gbps w/USB 3.0

Maximum Transfer Rates Up to 3Gbps w/eSATA

Large 80mm Fan w/ On & Off Switch

Easily Add Storage to Any System with USB 2.0, 3.0 or eSATA

Backwards-Compatible with USB 2.0 or 1.1

Hot-Swappable: Plug & Play Without Rebooting

Attractive LED Indicates Power & HDD Activity

Supports Individual, JBOD, RAID 0, 1, 3, 5, & 10 Modes


Operating Systems Supported
Microsoft Windows XP, Vista & 7
Mac OS X v10.4 and Up

Dimensions & Weight

8.23" x 6.7" x 7.13"


Package Contents
NexStar HX4R Enclosure, Power Adapter, USB 3.0 Cable, eSATA Cable, User's Manual

Quick Info


  • Limited Warranty period (parts): 1 year
  • Limited Warranty period (labor): 1 year

Customer Reviews of the Vantec NST-640S3R-BK

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  • Anonymous
  • 7/30/2014 3:41:12 PM
  • Tech Level: High
  • Ownership: 1 day to 1 week
  • Verified Owner

1 out of 5 eggsGarbage

Pros: Cheap!

Cons: Runs extremely hot that your drives will start to fail.

Other Thoughts: Don't waste your time with these. Absolute garbage! Cooling is horrible and it will kill your drives. Newegg gave me no fuss about the return.

Did you find this review helpful? Yes No

  • Anthony S.
  • 7/27/2014 9:43:29 AM
  • Tech Level: Somewhat High
  • Ownership: 1 day to 1 week
  • Verified Owner

3 out of 5 eggsTerrible Fan!!!

Pros: RAID, JBOD, USB3.0, and eSATA.

Cons: 80mm cooling fan noise and questionable speeds over USB/eSATA.

Other Thoughts: I love it. It looks great and does exactly what I needed it to do although I rarely average more than 45-75MB/sec over any of the included channels. However, from time to time, I get this "bearing" type noise from the cooling fan. It doesn't matter how fast it's running (slow or full)... The noise varies but is always there. A soft tap will usually stop it, but who wants to do that with a box containing HDD's that have numbers files that you are trying to back up? Fix the fan people! I would hate if this fan fails allowing my drives to die early!

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  • David S.
  • 7/20/2014 1:17:06 PM
  • Tech Level: High
  • Ownership: 1 week to 1 month
  • Verified Owner

5 out of 5 eggsGreat NAS - Good Price - Fast Performance

Pros: Very easy to set up. Runs RAID 10 without any hick-ups. I'm using 4 - 3TB without issues. Setup in Windows , plugged into my 3.0USB port on my R7000 Nighthawk, works flawless as media NAS, nice to manually control the fan speed too.

Cons: None

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  • andrew l.
  • 6/20/2014 8:38:42 AM
  • Tech Level: High
  • Ownership: 1 month to 1 year

5 out of 5 eggsLove it so far.

Pros: Easy to use. Easy to install drives and set up. Fan operates well and keeps drives cool at maximum use.

Cons: Sorta loud. But for the function and the price, it's not so bad. Software is crude, but gets the job done. Dip switches serve no purpose what so ever. Raid config must be set up via software.

Other Thoughts: I've had this unit for about 6 weeks now. I love this little thing. It gets the job done.
Shipping was ridiculously awesome. I ordered at like 2pm and got it the next day. Props to new egg for being on their game with processing orders.

Out of the box, the construction and design of the box is cool. The aluminum exterior gives it a strong feel. The drives are super easy to install. The fan works well, and it's nice to have the fan speed potentiometer on it too. The drives are always cool. The case design was well thought out, as far as cooling was concerned.

The software is crude, and annoying at times. Often at times you load the software and it says no Raid found, which is annoying. I also found that the dip switch on the side to set the Raid config is useless. You need to set the config up in the software. Minor thing, maybe, but I'm confused why they would put them there if they don't do anything. To make it look cool I guess? I don't know.

All in all, I think i'll be ordering another one of these. The functionality you get for the price is unbeatable. Great experience so far. I use it for my photography business to back up my working set of photos. So i'm constantly using this and pulling data from it. Works great for my needs. Happy customer.

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  • trevor r.
  • 6/13/2014 10:57:14 PM
  • Tech Level: High
  • Ownership: more than 1 year
  • Verified Owner

5 out of 5 eggsPerfect RAID 10 HDD Array

Pros: I have had this Enclosure for quite awhile now. No problems with it on normal use. I have kept it in RAID 10 and is normally on 24/7

Cons: Fan isn't quite as strong as I would like. When HDD's are on heavy use it does get fairly warm but nothing dangerous for the HDD's. Overall happy with purchase

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  • Paul W.
  • 5/11/2014 8:43:31 AM
  • Tech Level: High
  • Ownership: 1 week to 1 month
  • Verified Owner

5 out of 5 eggsEasy Set Up

Pros: This NAS box is easy to setup. The cooling fan is adjustable so it can be set low if the box is used only for backup or low usage. It has both eSata and USB 3.0/2.0. I have used on both and prefer the USB 3.0 connection. It can be used for individual drives, RAID or JBOD where all are merged together as one. I use them as individual. The parts are easy to install but are loose in the box, probably should be in a single bag.

Cons: Parts are loose in the box, can be missed if you don't look everywhere.

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  • Charles M.
  • 5/8/2014 7:46:01 PM
  • Tech Level: High
  • Ownership: 1 week to 1 month
  • Verified Owner

5 out of 5 eggsGreat features for the price

Pros: Nice unique design that looks good and performs well. I have two now and both are working well. The first had a few hiccups getting set up but I figured it out digging more through the documentation. One unit has 4 x WD Red 4TB drives in a RAID 5 array to back up a RAID 6 system. Transfers are around 110MB/s read, writing is a bit slower but still around 90MB/s. Once the pecularities where figured out, it set up fairly easily. See my WD Red review for problems I had with those.

Cons: Documentation is ok but not clear to follow. I had droppouts like others did but I figured out it was my USB 3.0 cable and case plug (the USB 3.0 cable is a poor design). Used cardboard to jam cable forcing better connection. Problems stopped after that. Not an issue with the Vantec box, but many people are citing problems that are related to other hardware and not the Vantec design.

Other Thoughts: Once I got these going, I have been very happy. Hope they make a RAID 6 version with more than 4 drives sometime.

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  • Bruce R.
  • 4/24/2014 9:31:46 AM
  • Tech Level: High
  • Ownership: 1 week to 1 month
  • Verified Owner

5 out of 5 eggsJust what I needed

Pros: Easy to mount drives. Adjustable fan speed. Supports RAID. Speed is very good. Runs very cool with WD green HDD's.

Cons: Very minor noise from fan that exhausts through the top. Good for cooling efficiency but bat for people who sit things on it.

Other Thoughts: I returned a NexStar HX4 because it would not let Windows Home Server 2011 address the drives as individual drives (I wanted to create a soft RAID 5). NewEgg determined that it was my mistake and I had to pay the $15 return shipping.

2 out of 2 people found this review helpful. Did you? Yes No

  • Jonathan C.
  • 3/23/2014 6:43:47 AM
  • Tech Level: High
  • Ownership: 1 week to 1 month

4 out of 5 eggsNot bad, has limitations

Pros: JMicron hardware RAID controller; lets you use the JMicron management software. Looks cool. Adjustable fan is a plus. Works well with various RAID configurations. Plenty fast; I'm getting a solid 170+ MBps read and write in a 3x3TB RAID5 configuration over eSATA to a Celeron G1820.Makes me wish I had gotten a mobo with dual-gigabit ports.

Cons: Initially had problems with random disconnects(eSATA on WHS 2011 on a B85 mobo), but I replaced the eSATA cable and changed the WD Green drives to Red and it's been stable ever since, so beware if you're not using 24/7 drives. Also has no hot spare functionality, which I find disappointing (especially since the controller used supports the feature).

Other Thoughts: Generally a good unit. I debated using this attached to a mini-ITX WHS box versus a dedicated NAS box for about the same total cost. Ended up going with this because the Marvell (or even Atom) CPUs on those boxes can't seem to keep up with the performance from a dedicated Haswell box.

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  • Thomas R.
  • 3/15/2014 1:57:57 PM
  • Tech Level: High
  • Ownership: 1 day to 1 week
  • Verified Owner

5 out of 5 eggsVery pleastantly surprised, given the cost

Pros: Very easy to set up, instructions crystal clear.
Looks nice
Adjustable fan
Getting 100-130 MBps xfers on USB 3.0

I am only using it as a JBOD, so I can't comment of the RAID capabilities.

Cons: None so far

Other Thoughts: Need recessed screws for the disks. Not a big deal, I just didn't have any and they are not supplied.

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Item#: N82E16817392056
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