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The Pexesat322i is a professional-grade 2-port PCIe SATA III controller card featuring the ASM1061 chipset, delivering up to 6Gbps data transfer speeds. It supports both internal SATA and external eSATA drives with Port Multiplier functionality, compatible across Windows platforms and multiple PCIe slot types. Designed for easy installation and reliable performance, it’s the go-to solution for expanding your system’s storage with confidence.

































| ASIN | B00952N2DQ |
| Best Sellers Rank | #54 in Internal Computer Networking Cards |
| Brand | StarTech.com |
| Color | Information Not Available |
| Customer Reviews | 4.4 4.4 out of 5 stars (1,528) |
| Date First Available | September 2, 2012 |
| Hardware Platform | Mac |
| Is Discontinued By Manufacturer | No |
| Item Dimensions LxWxH | 6.69 x 5.51 x 1.18 inches |
| Item Weight | 1.69 ounces |
| Item model number | PEXESAT322I |
| Language | English |
| Manufacturer | StarTech.com |
| Number of Processors | 1 |
| Operating System | Windows® XP, Vista, 7, 8, 8.1, 10, 11 Windows Server® 2003, 2008 R2, 2012, 2012 R2, 2016, 2019, 2022 |
| Product Dimensions | 6.69 x 5.51 x 1.18 inches |
| Series | PCIe SATA Controller |
S**M
Good product
I used this to hook up two external SATA drive enclosures to my new computer. The card fit perfectly in my computer. I installed it and plugged in my drives and started up my machine. I then installed the latest driver from the startech.com site (nice site, BTW). Some of my drives were not recognized. I had to go into Windows Disk Management, where they were listed as Foreign Disks. Once they were "imported" Windows read the disks just fine. Everything seemed to work fine. But then, after working on the computer for about 15 minutes, got a blue screen of death. The error shown as DRIVER_POWER_STATE_FAILURE. After rebooting, got another BSOD, and another, and another. Every 15 minutes or so. This on a brand new computer. So I figured it must have something to do with the card since that was the only thing I had changed about the computer. I decided to walk it backwards one step at a time. I didn't want to uninstall the whole thing and start all over. So I went to the driver in Device Manger and just disabled it, then rebooted. Hmm, no more BSOD! What happens if I re-enable the driver now. Will the BSOD come back? It did not. So it seems like disable/enable the driver solved the issue. In retrospect, I should have installed the card, turned on the computer, installed the driver, then reboot. Then, shut down the computer, hook up the drives, and turn the computer on. I did these two steps as one. I highly recommend that you take it one small step at a time. Easier to sleuth problems that way. Other than that, this card has worked perfectly.
Z**O
Supports PMP on *both* eSATA ports!
This is one of the few eSATA cards I have been able to find that supports having multi-bay eSATA docks connected to *both* eSATA ports simultaneously. These docks use SATA port multipliers (PMPs), and most motherboard chipsets do not support the PMP functionality well, even if they support eSATA. Even a lot of generic PCIe eSATA cards using this same Asmedia 1061 chipset don't always work well with PMPs, especially multiple ones attached to the same card. But this card works great! It's a little pricey compared to the generic alternatives, but worth every penny when you consider that it's a component that *needs* to be reliable. I am using it with a pair of Startech's SDOCK2U33RE dual-bay duplicator docks under Debian Linux 13, and it performs flawlessly. Seems to have no problem with big SATA disks (tested with disks up to 18 TB). You'll want to ensure the kernel limits the speed of the SATA link to 3.0 G, especially if you are using longer eSATA cables, like I am. But this combination is working flawlessly and I highly recommend this eSATA card.
K**S
Working flawlessly for my FreeNAS
I have this low power Mini ITX mobo with 4 SATA ports on it. All of them are in use on the FreeNAS. I was using the suggested setup of mirrored USB drives. 2 little Sandisk Cruisers. After about a year one of them failed. I replaced it then a few months later the other one failed. I don't think they are bad devices, they just aren't rated for 24/7 use. Anyway I needed another solution. I had a single PCI-e slot to work with. I picked up some cheapo M.2 "controller" not realizing it needed SATA cables to work. Oops. So I did some more digging and found this. I didn't need the speed of NVMe. I mean this system was running off 2 USB sticks just fine. Given how cheap SATA controllers are I felt this was a little expensive. I mean I could get a 2 port PCIe SATA controller for like $12 USD. Anyway I've worked with StarTech stuff before and it's always seemed to be good quality. After some reading it looked like the controller chip on this would be happy to play with FreeNAS. I installed this 32GB Trancend SATA M.2 drive, installed the card in the machine and re-installed FreeNAS. Imported my 2 mirrored arrays, tweaked some settings, let it reboot like 6 times as I changed things and it did it's import process, make sure all my imported settings worked, then shut it down, installed the other M.2 drive, booted back up, setup the boot drive mirror and boom, perfection. No more USD drives hanging out of the back and it works great. Final thoughts. I think for the money, it's worth it. There are more expensive solutions out there but the instructions are great and it seems well made. I waited 4 months before I wrote this review. Card length is a consideration as well. My FreeNAS machine is in a Fractal Design Node 304. The case itself has room, But there are a lot of power supply and SATA cables running around in there. It was a little tight. Warning: Some BIOS's don't like to boot off PCIe devices. Try and do some research before buying this. If you happen to have a cheapo PCIe SATA controller laying around. Put a bootable drive on it, even a CD-ROM/DVD and see if it boots. Generally if you're in the BIOS and you can see it as a boot option, you're golden. All that said, if you're reading this review and considering buying one of these, you probably know what you're doing. Hope this was helpful.
I**D
LGA775のPCでブートドライブ用に購入。 以前はSATA3.0の拡張カードに2.5インチSATA SSDを使用していましたがケーブルが鬱陶しく感じたため、もっと簡素化できないか探していたらこの製品に出会いました。 グラボ用のPCIe 2.0 x16_2スロットに挿したところ、あっさり認識して使用できました。 M.2 SATA SSDを2個使用してRAID0にしてシーケンシャルReadがSATA3.0のSSDより若干早い(660MB/s)程度でしたが、古いPCでこれだけ速度が出て且つブートドライブとして使用出来たので満足しています。 ハードウェアRAIDなのでRAIDドライバのインストールも特に不要で設定も楽に出来ました。 M/B:Asus P5Q3 Deluxe SSD:Transcend 830S 256GB×2枚 OS:Windows10 Pro 64bit v2004
D**E
Works great with Windows 11 25H
D**N
Plug n Play in my HPe DL380 G9. Now I can use dual NVMe in UEFI boot without any changes at all to bios or settings.
A**E
Ho acquistato questa scheda perchè serviva Port Multiplier. Su un unico cavo Sata riesco gestire più dischi rigidi. Ed in effetti funziona. Nessun problema. La velocità è nella media secondo lo standard Sata.
B**.
I needed this to put an extra SATA3 port on my older Z77 motherboard along with adding an E-Sata external port (yes, E-Sata ahaha!) I have an external IcyBox HDD bank and needed to connect it a bit quicker than USB 3.1 would do i.e. 6Gbps SATA Vs 5Gbps USB. Anyway, had a few boot up issues until I worked out what I was doing wrong (my fault, not StarTech). It is now up and running reliably and with the silly 'jumper switches which I hate (very fiddly) I can decide if I want 2 more SATA ports for my HDDs OR if I want 2 external E-Sata connections OR one of each. It is important to know that you can only have TWO of the ports operating at once - any combination of SATA or E-Sata but only TWO. Once you understand and are happy with that it is a great device to have on your machine. IMPORTANTLY, this card has a PORT MULTIPLIER. This means that any one of the SATA or E-Sata ports can handle MULTIPLE HDDs. If you tried this with a normal port WITHOUT a port multiplier you would have issues. I now have FOUR HDDs working from just ONE of the E-Sata ports on this StarTech card. It really is a remarkable little card. More ports would be nice but it is all I needed at this point. I have found StarTech very good with support in the past for other devices - I just called them for some advice on setup and they were great. The quality is more than worth it so don't be tempted by similar things on the web which are much cheaper. StarTech engineer these things properly to last - no bad surprises. HIGHLY RECOMMENDED.