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Download Software Utility WD Sentinel DX4000 NAS

Download Software Utility WD Sentinel DX4000 NAS Server Data Storage. The present the WD Sentinel DX4000, the latest NAS launched by Western Digital, a complete network storage solution designed specifically to meet the demands of small and medium enterprises. The main features of this new NAS is the combination of centralized storage to the protection of the backup and restoration to 25 network devices, which allows companies to connect, protect and collaborate. WD Sentinel DX4000 includes operating system software Windows Storage Server 2008 R2 Essentials and CPU dual core Intel Atom D525 with 2GB of DDR3 RAM, is distributed in storage capacity and number of hard drives, 4 TB (2 x 2 TB) 6 TB (2 x 3 TB), 8 TB (4 x 2 TB), 12 TB (4 x 3 TB), 16 TB (4 x 4 TB).

All configurations come pre-configured with storage using RAID protection, integrated software for backup and server-based redundant network ports and a choice of redundant power supply recovery. In addition, WD Sentinel offers users the ability to connect to a storage provider "public cloud", which provides small businesses an economic recovery solution integrated disaster against external events such as earthquakes, fire, flood or theft . Like the included software provides the ability and flexibility to remotely connect to files hosted on the NAS and share externally. The Sentinel DX4000 NAS is certified to be compatible with many Windows operating systems (Windows XP, Windows Vista and Windows 7) and Mac OS X (Leopard and Snow Leopard), without forgetting its compatibility with Linux.

Technical Features
Operating System: Windows Storage Server 2008 R2 Essentials.
Processor: Intel Atom D525 dual-core.
RAM: 2Gb Hynix DDR3 1333MHz.
Hard Drive Bays: 4 to 3/5.
RAID configuration with 2 disks and RAID 1 configuration with 4 drives in RAID 5.
Ethernet: 2 gigabit ports.
USB: 2 USB 3.0 ports.
Power supply: External, 19V and a current of 6.32 Amp.
External analysis

Download Software Utility WD Sentinel DX4000 NAS
The WD Sentinel DX4000 NAS made available to us is stored in a cardboard box brown, with drawing silhouette NAS on two sides of the box, with a brief summary of the model and storage capacity. On the other sides of the box, to be irrelevant for the analysis, not shown in the image gallery.

Once we have taken the NAS box and the packaging, draws our attention to the similarity to a desktop computer tower, therefore the structure of it as by the weight. In the front we can see the "door" that allows access to hard drives, this door is made of plastic and aluminum edge in the center to be a cooling rack, the rest of the NAS is made of iron and aluminum. Once opened we found the locking system for hard disks, it is a simple but effective system, since the result could not be more favorable, the operation is as follows, to remove the disc, pull the lock up, which will allow us to lower the latch to remove the disc, to anchor it simply hooking up. These handles at its bottom, having holes to facilitate heat dissipation.

At the top front, is the backlit display, with the power button located to the left of the screen, above this we see the LED indicator that the computer is on, and two other buttons to the right of the screen, they are what allow us to move through the data displayed on the screen, this screen is illuminated in blue, so in low light locations can be annoying. Below the screen are four indicators of activity on each hard disk. On the sides of the box, at the top front, both right and left side, rows of small holes, designed for heat dissipation at the front of the case are observed. In the back of the Sentinel DX4000 find holes that allow the exit of air expelled by the fan, it may be too annoying when in full operation if we are quite picky regarding noise on computers.

About the holes of the fan, we see the two power connectors, the second power port is redundant if the main connector fails. Following power connectors are the two USB 3.0 ports, these can be used interchangeably, and finally the Gigabit Ethernet ports configured mode Adaptive Fault Tolerance (AFT), with redundant network connectivity, in the case of a port fails, you switch to another automatically. Last but not least, at the bottom of the box, there are four rubber feet, which may seem like a minor detail, but given the weight of the NAS, is welcome, as avoid damaging any surface where it rests the NAS.

Internal Analysis
Once you have taught the appearance of the NAS and explained the main external elements of the box, it's time to talk about the interior, explaining each of the components and elements that we can find. The first thing to do is remove the rear case screws are five standard Phillips screws, nothing difficult, the lid of the box, removed, like that of many desktops, pulling it toward us. As shown in the gallery, it is a fairly simple assembly, where we see a motherboard and other plate where the Serial ATA ports for connecting hard drives. To view the components on the system board, you must remove the six screws holding it to the box and turn it over for better access. The processor (CPU) of the computer is the Intel Atom D525, this processor provides good performance and is very efficient in their consumption with a maximum TDP of 13 W. This CPU can be found in many devices, it is not exclusively a NAS device. The Atom D525 operates at a clock speed of 1.8 GHz with 2 cores and 4 threads, it manages all processes, has 45 nanometer architecture and incorporates L2 Cache 1MB memory.

After we find the CPU RAM module, near the processor so that the speed of propagation of data as small as possible. It is a memory module as we can find in any laptop today. The RAM is brand Hynix HTM325S6BFR8C-H9 model has a capacity of 2 GB to store all system processes that subsequently process the CPU. The configuration of this RAM is DDR3 1333 MHz which means operating at 1333MHz clock speed. Between the processor and ports, SATA port used to connect the plate where are located the four SATA ports which connect hard disks, it is striking to see the utility that give the port, since for the connection between plates do not use cables, if not, that connects directly to SATA port.

Under the motherboard, is the mechanism that is responsible for securing and anchoring of hard disks, it is a simple system based on springs that are performing pressure to hold the hard drive. Every hard disk has its rail to be fixed inside the box, although there is a small flaw, and it is the lack of a system to prevent us from putting the hard drives in the wrong position. In the gallery you can see what I comment. Hard disks that come with the NAS are Western Digital, the Enterprise Storage class with a capacity of 2 TB hard disk with 64 MB cache and SATA 6Gb / s, characterized by low consumption and high performance.

The nameplate hard disks are connected, has four SATA ports, placed vertically, to fit the position in which hard disks are placed behind the plate fan, commissioned to expel the heat is on system. The external power supply needs a dc voltage of 19V and a current of 6.32 Amp. to function properly and feed all the components inside your computer, without forgetting that must feed four hard drives and two external units that can be connected to the USB ports.

Testing Laboratory
When testing the performance of the WD Sentinel DX4000 has come, first set up the system and then we will test performance.

System Configuration:
Before you start configuring the system, we can not forget to highlight one of the main functions of the software that incorporates the NAS, which are backed up daily that performs full backups of the entire system for up to 25 devices network. After programming it, the user can stop worrying about it. Optional protection for disaster recovery: connects to the cloud of small business through optional software disaster recovery and stores the data in an external location to restore them in case of a disaster. We can not overemphasize the WD Guardian Services for Small Business, which provides next to the WD Sentinel DX4000 NAS backed by customer support and technical support worldwide WD. Choosing among different plans for equipment maintenance.

The operating system that comes pre-configured on the NAS, is the Windows Storage Server 2008 R2 Essentials. And now let's see, step by step configuration. To start configuring the system, you must connect the Sentinel DX4000 to a router with DHCP enabled, so you can assign an IP available. Once the NAS for an available IP, we show this IP on the screen and can proceed with the configuration to add the first computer system or following equipment as needed. The first step is to connect to the NAS via the web browser to connect will use the IP displayed on the screen of NAS and the following address: http: // <IP address> / connect will give us access to download the setup wizard our team. Once completed all the steps in the wizard, we will have our computer connected to Sentinel DX4000. You can see all the wizard in the image gallery.

Once you add the computer to the server with the wizard, you will have access from the start menu to dashboard of the Sentinel DX4000, this dashboard you do is a remote connection to Administration Panel server so you can configure, create accounts users, set access privileges to shared folders and other server resources. Access to the dashboard, is restricted to the administrator and password.

A part of the dashboard, another program which allows quick access to backups, fins and remote web without having to use the dashboard is installed on your computer. This program have called Launchpad, and is intended for users, so that these users can log on to the server using the Launchpad is mandatory, have created the username and password with appropriate privileges from the dashboard. To add additional equipment would suffice to follow the steps to start to download the configuration wizard perform the same operation server. Important to remember that to add a Mac, it is first necessary to add a Windows computer to add Macs, you must download server wizard Mac.

Finally comment that coming from the web browser to the IP server, we can have remote access using the login credentials of a user created on the server. In the following gallery you can see screenshots of the menus.

The system is configured in a RAID 1, and we make sure that we avoid data loss in case of malfunction in one of the units, since the information is copied from one disc to another. Is that the reason to have available a capacity of 2 TB, even block with 4 TB hard drives (2 TB + 2 TB). To be configured in RAID 1 performance will decline. But being a business NAS, what is sought is safety, not speed transfers.

Then we will transfer to see how fast we get from reading and writing in the RAID1 disks.

8GB file. Result:
Read: 50 MB / s
Write: 66 MB / s
Five files 1 Gb. Outcome:

Reading: 46 MB / s
Write: 59 MB / s
Then we will transfer to see how fast we get from reading and writing to a USB 3.0 drive

8GB file. Result:
Reading: 77 MB / s
Write: 72 MB / s
  Five 1 GB files. Result:
Reading: 70 MB / s
Write: 68 MB / s

8GB file. Result:
Reading: 28 MB / s
Write: 27 MB / s
Five 1 GB files. Result:

Reading: 26 MB / s
Write: 25MB / s
Once we the performance of the NAS in RAID1 and all its features, we will list your weaknesses and strengths.

RAID 1 to avoid loss of information.
Quite simple and quick setup.
Stable and flawless system.
Dedicated exclusively to the management server software.
USB 3.0 Ports

The starting time may be excessive.
Fan noise when in full operation.
Noise hard drives.
Lack of E-SATA connector for connecting external hard drives to the NAS.

Final Conclusions
We have been quite pleased with the overall performance of the NAS Sentinel DX4000, we have not suffered any system crash, and has been stable during the weeks we've tested, however, should improve several aspects, including the soundproofing of the box and boot time.

If you need a server for up to 25 networked computers, which will allow automatic backup and great user control and connected to the server without relying on large transfer rates can be a choice to consider with the addition of the great support offered WD either by phone or through social networks. But we can not forget that it is a NAS-focused business market and does not incorporate the features and applications we usually find in home NAS.


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