Very expensive in its day. If you can pick one of these up cheaply on eBay it's a good investment if you want raid in a PC or older server. Its limited to sata 2 so not much use for modern ssd drives. I have a stack of 2tb sata drives connected to it and both read/write performance are excellent. I tried a raid 5 on Intel on-board controllers and although read was okay write performance was terrible. Now on the adaptec the more drives I add the greater the performance benefit, as is intended by a raid setup. The only let down is the accelerated ssd boost (MaxCache) only works with a adaptec branded Intel ssd which you cannot buy anywhere. Newer adaptec cards support most mainstream ssds but earlier cards are very limited.
Verified purchase: Yes | Condition: Pre-owned
The price was right, but would it work? I wanted to build a RAID array from four 3TB hard drives. turns out it is working great, but only after I flashed its BIOS with the most recent version from 2012. I also had to buy a set of SAS cables. And that was it. My RAID array has been running flawlessly in my old PC for about two weeks now. Couldn’t be happier.
Verified purchase: Yes | Condition: Pre-owned
Adaptec is well known for its storage controller card. This Adaptec 16 port ASR-51245 is a great card that includes the BBU for $30!!! Can't go wrong. Too bad they can't be used as expansion card as well, but these are great for a small home/office storage situation. I have 20 drives in one box and I must use 2 of those cards. I contacted Adaptec to find out if it was possible to "combine" multiple cards into one big RAID final volume, like a "master/slave" situation, but it is not possible.
Verified purchase: Yes | Condition: Pre-owned
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