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SIIG, Inc > 
Item#: N82E16815150273

SIIG 4-Port USB 3.0 PCIe Model JU-P40412-S1

  • PCI Express to USB Card
  • USB 3.0

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  • Overview
  • Specifications
  • Warranty & Returns
  • Reviews

SIIG's 4-Port USB 3.0 PCIe easily adds four external SuperSpeed USB 3.0 ports to your PCIe-enabled desktop computer. This USB 3.0 adapter features per-port over-current protection to protect your connected device(s) and the adapter itself from unforeseen power surges and offers full backward compatiblity with USB 2.0 & 1.1 devices while allowing for simultaneous connection of multiple USB 3.0/2.0/1.1 devices. The 4-port USB 3.0 PCIe delivers power and performance enabling you to meet all your daily computing needs.

The 4-Port USB 3.0 PCIe is FCC and CE regulatory approved and RoHS compliant. It also supports a wide variety of Windows operating systems and is backed by SIIG's limited lifetime warranty.

Learn more about the SIIG, Inc JU-P40412-S1




PCI Express to USB Card
External USB Ports
4x 9-pin, Type A, USB 3.0, Female, External
Internal Ports
1x 15-pin, SATA power connector
USB 3.0
Operating Systems Supported
Windows 8 (32-/64-bit) / 7 (32-/64-bit) / Vista (32-/64-bit) / XP (32-/64-bit) / Server 2008 R2 / Server 2003 & 2008 (32-/64-bit)
Compliant with Universal Serial Bus 3.0 Specification

Compliant with PCI Express Base Specification, Revision 2.0

Supports per port over-current protection

Chip: Renesas UPD720201

Certifications/Standards: FCC, CE, RoHS


Adds four external SuperSpeed USB 3.0 ports to your PCIe-enabled desktop PC

Works with high-bandwidth USB 3.0 devices, such as external hard disks, high resolution webcams, video surveillance cameras, digital video cameras, multi-channel audio and more

Supports data rate up to 5Gb/s and backward compatible with USB 2.0/1.1 devices

Supports per port over-current protection

Powered by Renesas (NEC) chipset for maximum compatibility

Dimensions & Weight

2.76" (W) x 0.79" (H) x 4.72" (D)


Package Contents
USB 3.0 4-Port PCIe
Driver CD
User's manual
Warranty, Returns, And Additional Information
  • Warranty
  • Limited Warranty period (parts): 2 years
  • Limited Warranty period (labor): 0 day
  • Read full details

Customer Reviews of the SIIG, Inc JU-P40412-S1

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  • Edward W.
  • 4/4/2015 9:59:49 PM
  • Tech Level: High
  • Ownership: 1 month to 1 year

5 out of 5 eggsEnough ports, fast and reliable

Pros: Works perfectly out of the box with Ubuntu 14.04 including UAS (USB attached SCSI). Easily sustains max mechanical drive write speeds.

Works with Win7 x64 as well though I had to download the drivers from the SIIG website otherwise no issues, didn't even have to reboot. Note that Win7 does not support UAS (Win8 does) so the card is faster with Ubuntu than Win7.

Unlike other relatively inexpensive PCIe cards, this one fits the PCIe slot perfectly without bracket tinkering.

Having four ports is nice since it might eliminate the need for a USB3 hub. Supports USB 2.0 devices such as keyboards, mice, disks, web cams etc. It seems to be able to charge mobile devices well.

Cons: I prefer that the internal power connector be BERG style rather than SATA. YMMV.

Other Thoughts: It's easy to use has enough ports and so far is very reliable. If you use it with a USB3 hub you may want to be sure that the hub supports UAS if you are going to attach USB disks to the hub and you want to use the UAS capabilities of the card. Buy it on sale if you can.

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  • Anonymous
  • 3/9/2015 1:22:59 PM
  • Tech Level: Somewhat High
  • Ownership: more than 1 year

5 out of 5 eggsQuick, easy, forget about it.

Pros: Server 2008R2 auto installed drivers, no issues since. Been using it for over a year without issue, pulling around 120 MB baseline doing XCOPY / ROBOCOPY commands. Running two 2tb drives synced to each other for data backups.

Cons: Nothing bad to say but I had to fill this spot with a minimum amount of words.

Other Thoughts: I would recommend to anyone!

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  • George L.
  • 1/13/2013 4:19:33 AM
  • Tech Level: Somewhat High
  • Ownership: less than 1 day

1 out of 5 eggsJust does not work with WIN 7-64

Pros: Easy to install, nice driver install, updated driver available on SIIG web site.

Cons: It does not work. Supplied driver or updated driver, it just does not work. One device installed (self-powered) or four (self-powered) devices...does not matter...nothing comes up in Windows 7-64. Useless.

Other Thoughts: Big hopes, crashed with a sledge-hammer.

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  • Van I.
  • 12/14/2012 2:27:12 AM
  • Tech Level: High
  • Ownership: 1 month to 1 year

5 out of 5 eggsUSB on Windows 8 broken

Pros: This device is using the Renesas Electronics USB 3.0 host controller and works excellent on XP and Windows 7 but USB 3 on Windows 8 is an known issue but it's not due to this card it's due to Microsoft and Intel not supporting it properly on Windows 8

Cons: None, even had a signed driver for Windows 7 x64

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  • Robert I.
  • 11/18/2012 5:11:54 AM
  • Tech Level: Somewhat High
  • Ownership: 1 day to 1 week
  • Verified Owner

1 out of 5 eggsMight work with Windows 8

Pros: Nice packaging - BUT see Cons.

Cons: Did not work with windows 8

Other Thoughts: I contacted SIIG four times in an effort to get this thing to work with Windows 8 - once we thought it was installed, but on a reboot it no longer worked. Additional attempts to get it to work failed. Tech support at SIIG tried, but I'm not sure he was fully informed as to Window 8 install problems.
Based on internet chatter it looks like others are having the same problems installing this card when using Windows 8.

1 out of 1 people found this review helpful. Did you? Yes No

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Item#: N82E16815150273
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