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Forum Discussion
airwaves2020
Aug 30, 2026Aspirant
Readynas duo v2 and seagate ironwolf
Hi, replaced a failed drive in my readynas with this https://www.scan.co.uk/products/4tb-seagate-ironwolf-st4000vn006-nas-hard-drive-35-hdd-sata-iii-6gb-s-5400rpm-256mb-cache-cmr And the readyn...
airwaves2020
Aug 31, 2026Aspirant
Thanks for you help, I have done some more testing and the drive works outside the enclosure, so it's the enclosure. Looking for a replacement now, all my files are backed up in the cloud, not going to lose anything
Sandshark
Sep 02, 2026Sensei
If you are looking for a used replacement ReadyNAS, you also need to be careful which Duo you actually have and buy. MANY used units are advertised as a "V2" that are really a V1, and volumes are not interchangeable between them. In addition, the only other ReadyNAS you can use are an NV+ (to replace a Duo V1) and an NV+V2 (to replace a Duo V2). Those units, however, also suffer from labeling confusion.
To properly ID a Duo that's for sale, in addition to the front labeling, look for a smaller than full width fan and a recess for the power supply connection on the rear for a V1 and a full-width fan and no recess for a "real" V2. The NV+ is easier: The V1 is silver and has an internal power supply, the V2 is black and has a power brick.
Since many are sold without drive caddies, you can re-use yours in the replacement. The power supply for a Duo, also often not included, is not compatible with a NV+, however.
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