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I/O | SKU: JU-P20912-S2

USB 3.1 2-Port PCIe Host Adapter - Type-A

USB-A Gen 2 10Gbps
PCIe 3.0
2-Port
UASP
900mA Power
Regular price $69.99
Shipping calculated at checkout.

Product Features

PCIe USB 3.1 Gen 2 Expansion Card

Upgrade your system with PCI-Express 3.0 compliance and next-gen USB 3.1 Gen 2 performance up to 10Gb/s.
Perfect for high-speed external SSDs, storage devices, and data-intensive applications.

Transfer Performance

Supports the latest USB 3.1 Gen 2 standard delivering blazing-fast transfer speeds up to 10Gb/s.
Backward compatible with USB 1.1 / 2.0 / 3.0 devices for seamless connectivity.

Plug-and-Play & Convenience

Easy installation with true plug-and-play functionality—no complicated setup required.
Supports hot-swapping so you can connect or disconnect devices without shutting down your system.

Stable Power & Protection

Each USB port delivers up to 900mA power output to support power-hungry peripherals.
Built-in independent over-current protection safeguards both the card and your connected devices.

Flexible Installation & Dual-Profile Brackets

Integrated 15-pin SATA power connector ensures stable and sufficient power supply when needed.
Includes both full-height and low-profile brackets for compatibility with standard and compact PC builds.

  • Free Shipping on orders $100+

  • 45 Days Free Returns

  • 2 Years Warranty

  • Lifetime Technical Support

  • Support Windows and Linux

    The card supports Plug-N-Play, hot-swapping on Windows 11/ 10, and various Linux Kernals.
  • PCIe 3.0/ PCIe X4 Interface

    The card is designed with a PCIe X4 interface and is compatible with PCIe X8 and X16 slots.
    Not compatible with PCI slot.
    PCI Express 3.0 specification

Dual-profile Design Installs into Different Form Factor System

Each USB Port Provides up to 900mA of Power Output

Easily Adds 2 USB 3.1 External Ports to Your Desktop Computer

Installation Guide for Desktop PC

A table comparing the facets of 4 products
Facet
USB 3.1 2-Port PCIe Host Adapter - Type-A
View details
USB 3.0 4-Port PCIe Host Card - 5Gbps - Dual Profile form factor - SATA Power request
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SIIG 4 Port USB 3.0 (USB 3.2 Gen 1) PCIe Card with 4 Dedicated 5Gbps Channels - Quad Core 20Gbps - UASP - SATA Power - Low Profile PCIe Adapter Card
View details
USB 3.0 2-Port (Ext) PCIe Host Card
View details
SKU
SKU
JU-P20912-S2
JU-P40A11-S1
JU-P40811-S1
LB-US0314-S1
Connection port
Connection port
2x USB 3.1, SATA power
4x USB A
4x USB 3.0, SATA power
2x USB 3.0, Molex power
Data Transfer (Max)
Data Transfer (Max)
10Gbps
5Gbps
5Gbps
5Gbps
Additional function
Additional function
UASP, Data, USB power
SATA
Quad core, UASP, Data, USB power
UASP, Data, USB power
Housing material
Color
Color
Black
Green
Green
Black
Dimensions
Dimensions
4.72" (L) x 0.79" (H) x 3.94" (W) (9.19 cm x 2. cm x 10 cm )
3.35″ (W) x0.79″ (H) x2.68″ (D)
5.91" (L) x 0.79" (H) x 3.15" (W) (15.01 cm x 2 cm x 8 cm )
4.72" (L) x 0.79" (H) x 3.07" (W) (9.19 cm x 2 cm x 7.8 cm )
Weight
Weight
0.11 lbs
0.15 lbs
015 lbs
0.09 lbs
Mountable
Certification/ Standards
Certification/ Standards
FCC / CE / RoHS
FCC, CE, RoHS
FCC / CE / RoHS
FCC / CE / RoHS
Warranty
Warranty
2 years
2 years
2 years
2 years
Country of Origin
Country of Origin
China
China
China
China
Supported External Displays
Resolution
Power Delivery
Spec
Spec
PCIe 3.0 USB 10G
PCIe 2.0
PCIe 3.0 USB 5G
PCIe 2.0, USB 5G
Protocol
Protocol
USB
USB
USB
USB
Bandwidth
Bandwidth
10Gbps
-
5Gbps
5Gbps
Power Output (Max)
Power Output (Max)
5V/900mA
5V/900mA
5V/900mA
5V/900mA
Power Indicator
Protection
Protection
ESD
-
ESD
ESD
Power Adapter
Power Adapter
Bus power
-
Bus power
Bus power
Form Factor
Form Factor
Full profile, Low profile
Full profile
Low profile
Full profile, Low profile
Frequency
  • 5 stars: 8 (73%)
  • 4 stars: 3 (27%)
  • 3 stars: 0 (0%)
  • 2 stars: 0 (0%)
  • 1 star: 0 (0%)
n
ninemachine
Worked on WS2003

I used this to get a bunch of garbage off of an old server running windows server 2003, which is out of spec for this card but I was able to get generic drivers for the chip from Dell. Was going to have to wait a year at usb 2.0 speeds.

L
Louis L
A decent solution for fast usb ports!

This USB expansion card was exactly what I needed for my media pc! It was super easy to install and worked out of the box without having to install drivers. I did think it was broken when it wouldn't show up in windows but once I connected a power cable to it, it showed up and it worked just fine. I have couple of external drives with games and movies and they work perfectly with no buffering or lag. If you're limited on usb 3.1 ports like I was this is a good value card to fix that!

D
David C
Great upgrade and fast

I ordered this USB host to upgrade my PC which only has USB 3.0 ports. Setting up was a breeze, it was a simple plug-and-play process. The data transfer rate was enhanced, with no errors encountered during the transfer of over 2TB of data. It was a great upgrade, and I am very satisfied with the product.

R
Reviews and Information
Fast with an external USB NVMe drive. Did require SATA power for it to be detected in UEFI BIOS.

With a USB NVMe drive connected, the transfers were reaching 1000MBps read speed. Had to work a bit to get it working. The leaflet says it doesn't need the SATA power, but it wouldn't detect at all in the UEFI BIOS without having the power cable connected. Then, the first few times the drive was plugged in to the USB port farther from the motherboard edge connector, it would only reach 750MBps. Put it in the other port and it was fine, then moved it back to the first one and it was now working. It ran at full speed after that without any other intervention. That was all using what ever driver was already installed on that system.

M
Mishiranu Hito
Just a simple little USB host

I use a ton of USB ports, and when they all share the same host you get weird issues. SO. I wanted to fix that issue. The price is GREAT, was easy to set up, and does the job. My USB isn't fighting over the hundred others I have, and it's a bit faster. Would recommend.

T
TECHnical
Plug-and-play with newer Linux and Windows 10, no extra drivers were needed

This is a nice speed upgrade for older PCs, for copying things to/from external SSD drives. It worked fine in my Optiplex 3020 SFF with a recent Linux and Windows 10, both at full USB 3.1 speeds and without needing any extra drivers (test machine wasn't even connected to the Internet). An external SSD ran at over 800 MB/s reading on Windows. I didn't connect SATA power and it ran some small external SSD drives fine. Card is short so fit easily in my compact PC. I checked and no firmware updates needed.

M
Metroknight
Matches my motherboard usb ports

I filled up all my usb ports on my motherboard so I installed this card and it matches my motherboard ports in speed and reliablity. I've had no issue so far and have one of my external drives plugged into the slot and a usb hub in the other.

P
PCTA
So far working great!

I love that this is not just a splitter, but has actual controller on board. My Wife's motherboard does not have a lot of USB and even then, there are some issues with power.This fits perfectly in her case and since there is SATA power plugged in, you know you have enough not to overburden the PCIe connector. Comes with a half-height IO plate for really SFF builds as well, or server racks cases.

D
D Fjeld
Works So Far

I ordered this for a new computer that I wanted to add USB ports to and so far, it's working just fine. I had no issues getting it set up, but you do need to have a powered SATA connector for this to work. I point this out because in the instructions it says that it will work either way but for mine, that isn't the case. Speeds seem to be quick, but I have no way to measure data transfer rates. All I can say is that I do a lot of photography, and the USB ports seem to allow for very quick transfer of my photos. If something comes up or if the card fails, I will be sure to come back and update this review.

N
Nathan S.
Works as expected!

I took over ownership of a PC Repair shop about 3 years ago. The previous owner liked to build the cheapest of cheap. Actually, he skimped on the CPUs.The MOBOs are modern and can take modern CPUs, which is great. The only issue; the cases do not have USB 3.0 support.A lot of my users would rather spend a few hundred bucks on a new CPU and labor rather than a new PC, which I understand.Seeing this guy, I knew I had to test it. Installation is typical.Ease of use is a matter of plugging it in. I have tested on 2 AMD4 boards and no issues recognizing it.

F
FordGT_350
Works pretty good

Perfect for using with the Meta Quest 2, the USB A ports on my mobo and case couldn't provide enough power to charge my Quest while playing, this card has fantastic speed and power delivery for the price. It's also nice it comes with interchangeable IO shields for taller/shorter cases. Very easy to install, and works instantly. So far ports seem to work. Instantly connect. There is 1 thing I don't like about this card just like others this card requires a powered SATA connector. I will update if there is any changes, would buy it again.

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