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Item#: N82E16815114010

SUNIX USB3.0 4-port PCI Express Host Controller with SATA Power Connector Model USB4300NS

  • PCI Express to USB Card
  • USB 3.0
  • Up to 5.0 Gbps Data Transfer Rate
This product qualifies for the Iron Egg guarantee. We'll match any qualifying competitor's price.
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Learn more about the SUNIX USB4300NS




PCI Express to USB Card
External USB Ports
4 x USB 3.0
USB 3.0
Data Transfer Rate
Up to 5.0 Gbps
Operating Systems Supported
Windows XP/2003/Vista/7/2008/8/8.1 (32/64-bit)
Interface: Single-Lane (x1) PCI Express Gen2

Controller: Renesas uPD720201

Power Input: SATA Type Power Connector

Power Output: +5V / 900mA (each port)

Bracket: Standard 121mm

Physical Spec

78 (W) x 99(L)mm


USBIF certificated USB3.0 host card TID 350000211
Supports PCI Express Base Specification Revision 2.0.
Single-lane (x1) PCI Express throughput rates up to 5 Gbps.
Compliant with Universal Serial Bus 3.0 specification Revision 1.0.
Compliant with xHCI (eXtensible Host Controller Interface) specifications Revision 1.0
Supports simultaneous operation of multiple USB 3.0, USB 2.0 and USB 1.1 devices.
Supports USB data transfer rate of 1.5/12/480/5000 Mbps.
Expands four external USB3.0 Super-Speed ports on the system.
Each USB port supplies +5V / 900mA power output to USB device.
Hot-swapping feature allows to connect / disconnect devices without powering down the system.
Driver supports for Microsoft Windows XP, Vista, 7, 2008, 8 and 8.1 operation systems.
Certified by CE, FCC, RoHS, and Microsoft WHQL approval.

Quick Info


  • Limited Warranty period (parts): 2 years
  • Limited Warranty period (labor): 2 years

Customer Reviews of the SUNIX USB4300NS

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  • Craig A.
  • 8/12/2014 9:36:34 AM
  • Tech Level: Average
  • Ownership: 1 month to 1 year
  • Verified Owner

2 out of 5 eggsDid not work reliably.

Pros: I think it could have worked.

Cons: After installing the card my system either locked up or the card was not recognized. I switched the slot, reseated the card and updated drive .. same effect. I only had the card in the computer for a couple of days before I pulled it out and threw it in a box.

Other Thoughts: My current computer does not have USB 3.0 .. I am hoping that I might be able to use it in the future on another computer to expand the number of USB ports.

Did you find this review helpful? Yes No

  • Cesar B.
  • 6/10/2014 6:02:07 AM
  • Tech Level: High
  • Ownership: less than 1 day
  • Verified Owner

5 out of 5 eggsFinally a stable 3.0 card

Pros: I had the same experience as the reviewer who reported "Syba 1, Me 0.", except my initial board was the Sabrent CP-4PTU USB 3.0 4-Port PCIe card, and I was stupid enough to buy two. Constant dropping of external drives - if they were recognized at all (yes, I disabled USB power management). The Sunix card works perfect from the get-go. Used the driver that came with the card (did not let Windows install anything else). SATA power connection is solid

Cons: None. What a relief.

Other Thoughts: A shame some other cards can be so problematic. I wasted a lot of time with them. Renesas chip makes the difference in better performance, but more important, in fewer (actually NO) headaches. Remarkably few components on the board (another benefit of Renesas system-on-a-chip)

Did you find this review helpful? Yes No

  • Anonymous
  • 3/18/2014 11:59:12 AM
  • Tech Level: Somewhat High
  • Ownership: 1 day to 1 week

4 out of 5 eggsWorked out of the box with Dell and Windows 7

Pros: A lot of these cards don't work and when a client ask me for one I just cringed at the time it would take to cycle through cheap cards. Read another IT guy took a chance on this one and it was a winner for him. I agree. Just make sure you have an extra 15 pin sata power extension lying around just in case.

Cons: This card requires a 15 pin sata power connection so if your powersupply can't reach it than you're gonna be off to Fry's. Order a 15 pin SATA power extension cable just to be on the safe side. They could have included one in the box. PCI slotted devices are rare that require this to chances are you power supply cables won't reach in a stock Dell or HP desktop.

Other Thoughts: Its better than the rest of them at newegg.

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

  • Anonymous
  • 2/5/2014 11:21:28 PM
  • Tech Level: High
  • Ownership: less than 1 day

5 out of 5 eggsLook no further, buy this one! Renesas chip!

Pros: It actually works, the first time!
Renesas chip.
SATA power connector is firmly attached.
Quality build.
Two year warranty.

Cons: None so far, but I will update this review if that changes.

Other Thoughts: I purchased a VIA based Syba card first. I read the reviews, they were bad, but I bought it anyway thinking I could make it work. I was wrong. Round one: Syba 1, Me 0.

I found this one on Newegg and it had no reviews. So I looked up SUNIX and read about the product on their page. I was impressed enough by the apparent quality that I went ahead and ordered one. I picked it up today, opened the case and plugged it in where the Syba was. Powered up and Windows 8.1 detected it and everything plugged into it the first time, didn't even need the included CD. That's how it's supposed to work!

Final score: SUNIX 1, Me 1

2 out of 2 people found this review helpful. Did you? Yes No

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Item#: N82E16815114010
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