description WD My Cloud EX2 Ultra Overview
The WD My Cloud EX2 Ultra is a two-bay network-attached storage (NAS) device manufactured by Western Digital for home and small office environments. It ships as a diskless enclosure or populated with hard drives, allowing users to implement various RAID configurations for localized data redundancy and storage expansion. The system operates on Western Digital's proprietary My Cloud OS, enabling remote access and file syncing over the internet via desktop and mobile applications. It serves as a centralized, user-managed alternative to cloud storage subscriptions for backing up files, photos, and media.
help WD My Cloud EX2 Ultra FAQ
Is the WD My Cloud EX2 Ultra a cloud service or a local NAS?
It is a two-bay local network-attached storage device that can also provide remote access through WD software. Your files live on the installed drives, so remote access is an optional connection path rather than the same thing as Dropbox or Google Drive hosting. ([WD My Cloud EX2 Ultra](https://www.westerndigital.com/en-au/products/network-attached-storage/wd-my-cloud-expert-series-ex2-ultra?sku=WDBVBZ0040JCH-EESN))
Can the My Cloud EX2 Ultra use RAID 1?
Yes, the two-bay EX2 Ultra supports RAID configurations including RAID 1, where one drive mirrors the other for redundancy. RAID 1 helps with a single drive failure but does not protect against deletion, ransomware, theft, or fire.
Does the WD My Cloud EX2 Ultra include hard drives?
WD sold the EX2 Ultra both as a diskless enclosure and with pre-populated WD Red drives, so the exact SKU matters. A diskless unit needs compatible drives and initial setup before it can store files. ([WD product overview](https://documents.westerndigital.com/content/dam/doc-library/en_us/assets/public/wd/product/nas/my_cloud/ex2_ultra/product-overview-my-cloud-expert-series-ex2-ultra.pdf))
Can I access EX2 Ultra files remotely?
WD documentation describes mobile and web access for files, photos, and videos from outside the home network. Remote access depends on the configured service and current support status, so test local access first and keep a separate backup before exposing an older NAS to the internet. ([WD EX2 Ultra product page](https://www.westerndigital.com/en-au/products/network-attached-storage/wd-my-cloud-expert-series-ex2-ultra?sku=WDBVBZ0040JCH-EESN))
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