The basic router functions are fairly easy and solid. However, the VPN section is tough. I spent hours working with D-Link Business support trying to figure it out. It finally came down to using IKEv2 in the IPsec protocol setup. The Windows 7 VPN client is IKEv2, but isn't mentioned anywhere in Windows. Then magically all the other settings we were collectively beating our heads about worked! There are continuing issues with in coming connections from some remote locations, but others work perfectly. I believe it has to do with issues at those locations. Working on it. The only other issue is every time you want to enter the router you get a certificate warning in IE 11. You just continue, but it is a pain to deal with especially for something that should have been fixed long ago. We were using a D-Link DIR-655 before, so I reworked it into a wireless access point only, and that allowed us to purchase the wired only DSR-250 at about $60 less than the wireless version.
Excellent device. Easy to use. Simple USB plug-in. Was able to recover data from my system disk, which I had to replace because some blocks corrupted, and the system couldn't be recovered. New disk, reinstalled system, back up and running, but without my old data. This Docking Station let me recover it all. Watch out for other interfaces which don't work on this kind of disk (Dell Inspiron internal HDD). You can use this, with a spare HDD, as an external drive.
Had a couple scratches but otherwise a a nice buy. There are other refurbs out there around the same price, but this is a good buy if u interested in a higher power pc. I got this to use as a server and it performs well. If you want this for gaming it will work, but you might want a stronger graphics card. But the one that comes with this will get you a 6.6 in the windows experience. Memory and processor will get u a 7.6. Highest it goes is 7.9. If you wanted to image your os to a sdd u can do that. Just remember after imaging to plug ssd into first sata slot. Motherboard does have a second slot for another graphics card.
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