5 Bay 3.5 Inch Hard Drive Enclosure USB C to SATA Magnetic Tool-Free External HDD Enclosure with 12V/6.5A Power Adapter for Family Storage Expansion Up to 90TB(5x18) - DS500C3

the device is great when connected , but it goes to sleep which then i need to switched off and on again for pc to recognize the Hard drive again.

I've used this product almost every day for a year now. While at relatively inexpensive price, this product performs as advertised and keeps performing . It makes adding additional hard drives to your system a snap. Just hook it up, turn on its power, and it automatically works with your operating system to do the rest. Easy breezy. A major additional benefit it provides over the traditional method of connecting hard disks directly to the motherboard is that it, seems to me at least, to inherently protect the disks themselves from being damaged due to problems with the motherboard or accidental errors on my part.

Ok so I have only had this for a couple of weeks but so far it is operating perfectly well. Fast read / write speeds. I like the fact that after a few minutes (not sure how many) of not being used it turns itself into standby mode and so the fans turn off. Ok the fans are a bit on the noisy side but if - as I am - you only use this enclosure for backing up purposes this shouldn't be a concern. I am not sure about putting the lid on it when in heavy use particularly if you have multiple drives running because of the potential for heat build up. Perhaps it may be fine but given others have reported an issue with this I don't take the risk. It is easy enough to take the lid off when in use and pop it back on afterwards.

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Es un buen producto, cumple con su funcion, le hice algunas modificaciones (Aún sabiendo que perdería garantía, pero valió la pena porque en el mercado algo así; el precio es de 3 o 4 veces mas) lo modifique porque leí en los comentarios acerca de la temperaturas, y si, efectivamente se eleva la temperatura agregando los 5 discos como viene de stock, lo que hice fue darle la vuelta al ventilador para que ingresará aire, amplié las ranuras de cada clúster con cuidado y le di altura con unas gomas para aspirar aire de forma más eficiente y con esto los discos frescos y fríos, dejo algunas fotos de la modificación y temperaturas

This will be used for expanding the storage of my home server. The drives won't be continuously spun up so heat shouldn't be an issue. I will add an extra fan to the lid if heat does cause a problem. You can set in Windows power management whether or not you want a drive to sleep if you don't want the unit going into standby mode. Also you can insert smaller SATA drives including SSD's in the unit but they won't have any physical support except the SATA connector plug. If you want something for continuous disk use I'd not recommend this because of the poor heat dissipation. Get yourself a nice RAID box on here instead. If all you want is something to store movies, pictures, music etc. to access occasionally then this is fine.