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Works out-of-the-box with various Linux distros using 4.x kernel (currently Debian Stable) Works well with mdadm Simple settings Works well/reliably/as advertised

very reliable.

This card replaced three 8 disk SAS cards in my system. This card simply just works without any issue. I have been running it for about 8 months with 21 data disks and 3 parity disks in a FlexRAID configuration that recalculates parity every 24 hours. Given how dynamic some of my data is the parity recalculation cycles can be a couple hours long and this card is rock solid with that really heavy i/o.

low cost. amazing for non raid proformance increase.

Very fast. Did I mention it is fast. My CPU is fast, but this allows my CPU to not do any RAID parity calculations. Also, this has 1 GB onboard cache which does help with some file transfers. I mainly need fast sequential reads/writes with large files. Supports PCIe 3.0 and backwards compatible, which is good because Sandy Bridge CPUs do not support PCIe 3.0 :-( Future proof as these support 12 Gb/sec or excess of 1.2 GB/s if you have PCIe 3.0. My HDDs are too slow to take advantage of the speed, but it has helped in the RAID 5 though. The SSDs on it are insane.

- Works out of the box on FreeBSD 11 - No issues with 4Kn drives

I got this card to add a little bit of life to my old X58 setup that I use for gaming and Photoshop. It was pretty easy to install: just set the jumpers to use the internal SATA ports, stick it into the case, connect the drives, and power on the PC. I set up two Sandisk Z400s SSDs on this card since they're my boot drives for Windows and Linux. Before installing Debian onto the second SSD, I tested file copy performance in Windows 10. A 1 GB (= 1,048,576 kB) test file copied in just a few seconds. More precise testing with a 500 MB file in DiskMark revealed performance on par with the SATA 3 controller in my 2013 laptop. Random reads at 159 MB/s and sequential at 406 MB/s are what I call "good enough"; if they weren't, I'd be looking at a PCIe SSD. Ditto for sequential writes at 187 MB/s and random writes at 166 MB/s. The few Steam games I have on my SSD load faster, and my Photoshop seems to be more sprightly as well. This card works great with older BIOS-based machines like my X58 motherboard (ASUS P6T Deluxe V2). I just thought I'd throw that out there for those of you not yet using a UEFI motherboard.

-Recognized directly with Truenas -Well packaged in a plastic case to protect the card in shipping.

if you have a sata board , and want to step it up this card is for you , i used the crucial c300's and raided them in raid 0 super speed