La compania estadounidense Western Digital (WD) es un fabricante mundial de discos duros que, mas alla de unidades de almacenamiento internas y externas, tambien dispone de productos relacionados con el almacenamiento en red (lo que se conoce como sistemas NAS). Si comenzamos a analizar el diseno del WD My Cloud EX4100 por la parte frontal, lo primero con lo que nos encontraremos es una pantalla (con fondo de color azul) en la que se muestran diferentes datos del sistema. Analizando mas en profundidad la pantalla del WD My Cloud EX4100, cabe destacar que esta pantalla muestra la siguiente informacion: estado del sistema, espacio de almacenamiento libre, estado de salud de la unidad, velocidad de los ventiladores, version del sistema operativo, temperatura, direccion IP y nombre de la plataforma, ademas de otros datos que aparecen en funcion del proceso que este ejecutando la plataforma.
Ya en la parte trasera del WD My Cloud EX4100 lo que nos encontramos son dos ranuras USB 3.0, dos puertos Ethernet y dos entradas de corriente, ademas de una pequena ranura que permite reiniciar el sistema en caso de que sea necesario.
Para un usuario que no ha tenido contacto con este tipo de plataformas, probablemente una de las mayores incognitas respecto al WD My Cloud EX4100 reside en su puesta en marcha y, concretamente, en el nivel de dificultad de su configuracion inicial. Una vez se han realizado las conexiones fisicas, lo siguiente que hay que hacer es proceder al encendido de la plataforma.
Con la plataforma de WD My Cloud EX4100 ya en funcionamiento, lo siguiente que hay que hacer es configurar el acceso remoto que se desea asignar a este sistema. Las opciones incluidas en la herramienta de configuracion de esta plataforma son las siguientes: Inicio, Usuarios, Archivos compartidos, Acceso a la nube (para anadir dispositivos con permiso de acceso a la nube de la plataforma), Copias de seguridad (USB, remotas, en la nube, internas, etcetera), Almacenamiento, Aplicaciones (para instalar diferentes aplicaciones, e incluye tambien ajustes para las Descargas HTTP, las Descargas FTP, las Descargas P2P y el Visor de archivos web) y Configuracion (con todo tipo de opciones, incluyendo desde ajustes relacionados con el consumo de energia hasta pruebas de mantenimiento de los discos duros). WD My Cloud EX4100 tambien permite configurar una (o varias) cuenta para acceder a los archivos de los discos duros a traves de la nube. En resumen, el proceso de configuracion inicial y la puesta en marcha del WD My Cloud EX4100 es muy sencillo, y no requieren ningun conocimiento tecnico para poder comenzar a utilizar esta plataforma. El acceso a los archivos almacenados en el WD My Cloud EX4100 se puede realizar de multiples formas tanto desde dispositivos fijos como ordenadores o televisores como desde dispositivos portatiles como un telefono inteligente o una tableta (entre otros ejemplos), incluyendo en ambos casos conexiones fisicas y conexiones inalambricas.
En lineas generales, el acceso a los discos duros del WD My Cloud EX4100 desde el ordenador se realiza mediante un programa que responde al nombre de WD My Cloud (en la version de escritorio).
Pero eso no quiere decir que la unica forma de acceder al WD My Cloud EX4100 sea haciendolo a traves de un ordenador. Un metodo de copia de archivos a los discos duros del WD My Cloud EX4100 que merece especial mencion es la copia instantanea desde una memoria externa. Por otra parte, el WD My Cloud EX4100 cuenta con un modo de suspension que se activa automaticamente pasado un determinado tiempo sin que se produzca ninguna actividad en los discos duros.
Entrando ya en materia tecnica, tambien es interesante que aprovechemos esta prueba para echar un vistazo a las especificaciones tecnicas mas importantes del WD My Cloud EX4100.
Sin lugar a dudas, estamos ante uno de los equipos de mas alta gama dentro de la categoria de plataformas de almacenamiento con acceso en linea. Setup software, WD SmartWare, WD Quick View, WD My Cloud para moviles, WD Photos y WD My Cloud de escritorio. Utilizamos cookies propias y de terceros para medir nuestra audiencia, mejorar nuestros servicios y mostrarle publicidad sin recopilar datos personales en ningun momento.
WD created the My Cloud EX line for prosumers who want network-attached storage (NAS) that can be accessed from many different types of computers, including tablets and phones. The EX4100 comes either prepopulated or diskless, comes with a 2-year limited warranty, and has a street price of $399 bare. The side is just about as plain as it can be, without the large branding many companies put on their NAS.
The EX4100 sometimes did a bit better in our 4K Maximum Latency test, with its scores comparing well to those of the DL4100. WD's My Cloud EX4100 did very well in the throughput test, generally outperforming the DL4100 across the range of conditions.
The same was true in our 8K Average Latency tests, with the EX4100 consistently showing lower latency than the DL4100. The EX4100 had higher latency spikes when using RAID5, as both the iSCSI and CIFS configurations showed high maximum latency, over 6000ms in some situations.
In our tests, this NAS did well when writing data with 4K benchmarks at 564 IOPS, though it struggled a bit in the 4K latency tests. WD recently released a number of new NAS devices, including the My Cloud EX4100, and here is our review. The front of the EX4100 has the power button, along with a information display that shows a number of pieces of information, all of which can be scrolled using the buttons to the right of the display. The four drive bays are also situated at the front of the EX4100 and can be easily removed by pulling on the tabs. The rear of the EX4100 has two USB 3.0 ports, two Ethernet ports and two power ports, plus a Kensington Lock.
Setting up the EX4100 for the first time is incredibly easy and quick – connect up the power and an Ethernet cable then switch on.
There are a series of tabs across the top, such as Home, Users, Shares, Storage, etc, which each having a number of different displays and options depending on what you choose. The Home tab displays how much capacity is on the device (this review unit is the 16TB version pre-configured for RAID5, hence 11.8TB free). You can even set up an iSCSI target on the EX4100 if you need to, but I think most people won’t touch this, but it’s a nice addition for those users who might want this functionality. You can install and run apps on your EX4100 – by default there are a few already installed for you to use. There are a number of settings menus ranging from the name and language settings, to enabling DLNA Media streaming and iTunes. There is an app you can install on Windows or Mac that gives you access to the various Shares. You may have noticed the number of times I used the word easily in this review – and for good reason!
The My Cloud OS web front end is rather basic compared to other NAS devices on the market – that being said though everything you need to do can be done and it is presented in as simple a way as possible. Earlier in the review we pointed out that there were two Ethernet ports and two power adaptor ports.
Copying to and from the EX4100 was very quick – this was a good thing, and I initially wanted to copy a very large amount of data to the EX4100. Setting up media streaming only involved switching it on and then all of my various devices picked up the EX4100 straight away and streaming worked like a charm.
The EX4100 was fairly quiet in operation – that was good because I have used NAS devices in the past that sound like jet engines and that’s the last thing you want or need!

I was a little disappointed with the lack of available apps for the EX4100, for example there is no AV app and no surveillance app, so hopefully WD will sort this out soon as their competitors have these apps already, and for some of them for quite a while now. You can backup your EX4100 too – options include backing up to a local USB device, another My Cloud device (local or remote), or even to the Cloud. If you want to backup your camera images you can just connect your camera to the EX4100 and it can automatically copy the photographs off the camera. If you are looking for a simple to use NAS box that pretty much does most of what you need then you should look no further than the WD My Cloud EX4100. We ain’t all equally skilled when it comes to the configuration of network and storage devices nor is it everyone that has the same interest in that. WD’s My Cloud series is designed for just these scenarios and it comes equipped with drives and is pre-configured. The MyCloud EX4100 it is a 4-bay NAS unit and in this case it comes pre-loaded with four 4TB WD RED drives.
Two gigabit Ethernet ports take care of the network traffic and they fully support both port trunking and link aggregation for failover redundancy and improved traffic capabilities.
The EX4100 doesn’t have any dedicated drive trays and is as such tool-less to upgrade. JBOD stands for Just a Bunch Of Disks, these can either be presented as single volumes or one large where they are used as extension for each other. In the EX4100’s case, JBOD will result in four individual volumes and spanning will create one large volume without redundancy or performance improvements. The addition of a dual power supply system with a backup for emergency situations is awesome and something more NAS should feature. The single and relative large 120mm fan helps to keep everything cool without creating too much noise. It doesn’t matter if you want to connect to the WD MyCloud EX4100 from Windows, Linux, or your Mac OS based system, everything should be covered with Samba, Bonjour, and NFS3 support. It is well suited to stream all your stored content to anything from smart devices to TVs and media players. Security is important everywhere and WD has that part covered too with features such as Active Directory support and 256-bit AES full volume encryption. You can set up backup plans to local and remote locations as well as the same system, use Apple’s Time Machine, or use the cloud-based services Amazon and ElephantDrive. Security also involves power management and the EX4100 doesn’t just come with redundant PSU support, it can also control both network and USB connected UPS power backup devices. Remote access can not only be achieved through the web interface, you can also get both a desktop application and several mobile apps for your Android and iOS devices. Other features such as a download server for both HTTP and P2P services, being IPv6 ready, supporting jumbo frames up to 9000 bytes, and SNMP for easy administrator management in larger environments are also all present. If you’re concerned about the environment and having a device running all the time, then WD has you covered too. We see that the memory used comes from SKhynix and the LAN ports are controlled by two Marvell 88E1512 chips. Ese es el caso del WD My Cloud EX4100, una plataforma de almacenamiento en linea con cuatro compartimentos para discos duros de 3.5 pulgadas (hasta 24 TeraBytes de capacidad).
Para que nos hagamos una idea visual del tamano de esta plataforma, WD My Cloud EX4100 tiene unas dimensiones muy similares -en lo que a longitud y ancho se refiere- a las de un ordenador portatil de tamano compacto. Para ello hay que pulsar sobre el boton de encendido ubicado en la parte frontal del WD My Cloud EX4100, y automaticamente el sistema entrara en funcionamiento. Para ello simplemente hay que introducir en el navegador del ordenador (conectado a la misma red que el sistema de almacenamiento) la direccion IP que la plataforma muestra en la pantalla de la plataforma; despues, hay que asignar una contrasena de acceso al usuario predeterminado para asi poder configurar el sistema desde el ordenador en posteriores ocasiones.
Ademas de ello, en la parte superior de la pagina tambien hay un acceso directo a los dispositivos conectados mediante USB y un panel de notificaciones (muestra cualquier informacion relacionada con procesos de la plataforma, vease por ejemplo un error en alguna de las unidades). El funcionamiento de esta aplicacion es muy intuitivo, y es compatible con las acciones de arrastrar-soltar (es decir, para copiar un archivo a la unidad simplemente hay que arrastrarlo al programa). Muchas de las Smart TV (televisores inteligentes) de hoy en dia ya incorporan conectividades inalambricas de WiFi, lo que quiere decir que se pueden conectar a plataformas como la de WD My Cloud EX4100 (a traves del router) para reproducir archivos (peliculas, por ejemplo) desde los discos duros de la unidad. Resulta que la ranura USB 3.0 de la que dispone en su parte frontal esta plataforma viene acompanada de un boton. Este modo de suspension reduce el consumo de energia y practicamente elimina el ruido de los ventiladores; ademas, para volver a poner en marcha la plataforma solamente se necesita iniciar sesion en alguna de las herramientas de almacenamiento en la nube conectadas con el sistema.
Comenzaremos destacando que esta plataforma dispone de sustitucion de discos en caliente (hot swap), lo que quiere decir que el usuario tiene la posibilidad de sustituir unos discos duros por otros sin tener que detener el funcionamiento del sistema. Por supuesto, hablamos de las versiones de mas alta gama cuyo perfil de cliente son los usuarios profesionales, ya que Western Digital tambien dispone de una gama de plataformas de almacenamiento algo mas economica (EX2100) que tiene unos precios de 350 euros para la version sin discos y 600, 800 y 1.070 euros para las versiones de 4, 8 y 12 TeraBytes de capacidad.
Las versiones con las capacidades mas altas estan orientadas principalmente hacia el sector profesional (edicion de video, fotografia, diseno, arquitectura, etcetera) mientras que, al mismo tiempo, las versiones del WD My Cloud EX4100 con las capacidades mas bajas (o, incluso, sin ningun disco duro de serie) hacen posible su acceso a usuarios que quieran crear un centro multimedia en su casa u oficina (utilizando discos duros de menor capacidad y, por lo tanto, mas economicos). Once the NAS is connected to the same network the user’s computer to connected to they can easily access the device through a web browser.
None of our reviews are paid for or overseen by the manufacturer of equipment we are testing.
Our synthetic workload analysis for the My Cloud EX4100 uses three profiles, which are widely used in manufacturer specifications and benchmarks.
Its best read performance was 248 IOPS when configured with in RAID5 over iSCSI, and its best write performance was 564 IOPS when configured with RAID10 in CIFS. The highest read performance was 18,318 IOPS in RAID10 iSCSI, which also had the highest write performance at 11,459 IOPS.
The RAID10 iSCSI configuration did especially well, and even its slowest configuration (RAID5 iSCSI) often did better than the best its rival had to offer.
The EX4100 configured with RAID5 still experienced the highest deviation in the test, but it was more in-line.
Looking at 8k sequential performance the EX4100 gave us performance of 18,318 IOPS read and 11,459 IOPS write, although trailing behind the DL4100. All the configuration is done via a series of webpages and within a few minutes you are ready to go.
You can also see how many Cloud Devices, Users and Apps are configured, along with simple diagnostics and also the firmware version.

Just remember though that some changes are destructive to the stored data on the EX4100 so make sure you have your data backed up. The two power adaptor ports are used for ensuring that if one of the power supplies fails then the EX4100 will still carry on. You can even set it up to move the photographs from the camera so you can have a nice clean camera card ready to use again. Sometimes you just want to purchase something, enter your preferred name and password, and then be ready to rock. It allows you to quickly see what’s going on with your unit, its name, network details, and storage setup. While the RAID 0 to 60 modes are self-explanatory, how the terms JBOD and Spanning are used variates a bit, including Single disk. Spanning, on the other hand, will create one large volume with all the drive space available and the drives don’t even need to be the same capacity.
Whether you need a maximum amount of capacity, redundancy, performance improvements or a little of each. The EX4100 comes with two Gigabit Ethernet ports that support both failover and port trunking. Any product can break for one reason or another and it should have a backup solution in case that happens. It features disk spin down when not need, which also will increase the drives lifespan, wake-on-LAN, automatic power recovery, and scheduled power on-off times. The memory is soldered onto the board, so you can’t upgrade that, but that would also be kind of missing the target audience for a pre-setup unit.
Hemos tenido la oportunidad de realizar una prueba a fondo de esta plataforma, y en la siguiente prueba del WD My Cloud EX4100 vamos a conocer mas a fondo todas y cada una de sus caracteristicas.
En la parte frontal estan ubicadas tambien las cuatro ranuras para los discos duros de 3.5 pulgadas, las cuales permiten extraer cualquier disco duro simplemente levantando una pequena tapa que funciona con un sistema de muelles que facilita la introduccion y retirada de las unidades fisicas de almacenamiento. Durante los primeros segundos se puede apreciar que los ventiladores funcionan a plena potencia, pero pasado ese tiempo vuelven a una velocidad convencional al mismo tiempo que la plataforma termina su configuracion de arranque inicial.
A partir de aqui, cada vez que queramos realizar alguna configuracion en nuestra unidad de WD My Cloud EX4100 simplemente tendremos que acceder a la direccion IP de la plataforma desde el navegador, introduciendo los datos de acceso configurados previamente. Y en el caso de que no se desee utilizar la aplicacion de almacenamiento en la nube de WD, el WD My Cloud EX4100 tambien se puede configurar mediante las opciones de un servidor FTP.
En el momento en el que introducimos una memoria (o un dispositivo de almacenamiento externo pulsado por USB), al pulsar sobre este boton los archivos de la memoria externa se copian automaticamente a los discos duros del WD My Cloud EX4100, sin necesidad de realizar ninguna gestion desde el ordenador. Este modo de ahorro de energia se puede desactivar o configurar todavia mas desde el panel de control de la plataforma. Ademas, la plataforma de configuracion del WD My Cloud EX4100 precisamente dispone de una opcion que permite activar la reconstruccion automatica en el mismo momento en el que se retiran o se anaden discos duros. En el caso del acceso a la configuracion de la plataforma, los navegadores compatibles corresponden a las versiones mas recientes de Internet Explorer, Safari, Firefox o Google Chrome. En resumen, estamos hablando de un equipo de altas prestaciones que se adapta tanto para un uso cotidiano como para un uso profesional. The home screen gives user a quick overview of the system including capacity available total and the amount currently used.
The DL4100 had a high read throughput of 28,186 IOPS (RAID5 CIFS) and a top write throughput of 20,376 IOPS (RAID10 CIFS). Again, this NAS with RAID10 with either the iSCSI or CIFS  showed the lowest deviation, solidly besting the DL4100 in most situations. There is also a USB 3.0 port along with a backup button – you can use this to quickly and easily backup the entire contents of a USB drive without the need for a PC.
Today I’m taking a closer look at the WD My Cloud EX4100 from the Expert series and will give it a good spin in the test area. It will also keep you updated on the progress when you changing major configurations such as the drive setup. Not using drive caddies allows for a smaller and more narrow footprint, something anyone can appreciate.
This is an improvement over the 1.3GHz Marvel processor and 1GB of RAM in the dual-bay My Cloud EX2100. The PC and Mac My Cloud applications allow users to drag and drop files, manage their content, and share links to photos, videos or folders via email. To the right is the specific device and its system health as well as whether or not it needs a firmware update. When configured with RAID10, the EX4100 regularly outperformed the DL4100, and it showed lower latency while doing so (in iSCSI RAID10 the EX4100 peaked with a throughput of 253 IOPS). The two Ethernet adaptors are used for Link Aggregation, which can be configured for fault tolerance and speed improvements depending on your personal setup.
The WD RED series uses an IntelliPower RPM systems up to 5400 RPM and come with 64MB Cache.
Along the bottom of the screen is the network activity (in both CPU and RAM), as well as the various cloud devices connected to the NAS, the amount of users, and the total amount of apps installed.
What was disappointing here though was that WD don’t provide any information in either the manual or on the web front end on what each setting means, they just expect you to know.
And I am honoured to be a Microsoft MVP since January 2008 - again this year as an Xbox MVP. In addition, the EX4100 can be used with WD TV Live, Xbox 360, PlayStation 3, Windows 8, connected TVs, Blu-ray players and digital picture frames. Given that some of the more obvious options have pages dedicated to them its a little surprising little is provided for a feature that can provide additional benefits.

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  1. 05.06.2015 at 10:16:49

    The same responsibilities as the larger public computing when uploading files to your cloud.

    Author: 100
  2. 05.06.2015 at 23:24:36

    Products, and they've branched out into the drive only has.

    Author: 44