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Green circuit board with four blue USB ports on a metal bracket

RIITOP

RIITOP PCET4U3-NEC 4 Port USB 3.0 PCIe Expansion Card

SKU CH-QADM-1TM35

Adds four USB 3.0 ports via a PCIe x1 slot with 5.0 Gbps total bandwidth and self-powered 2A per port for high-draw devices

  • External USB ports4-port USB 3.0
  • External connectors4 port USB 3.0
  • Supported standardsUSB 3.0
  • Transfer speedUp to 5.0 Gbit/s
  • Supported operating systems1. Plug and Play on Windows 10,8.1,8(32/64bit) and Windows S
  • Product typePCIe expansion card
  • Adds four USB 3.0 ports via a PCIe x1 slot
  • Up to 5.0 Gbps total bandwidth for fast file transfers
  • No external power cable required — draws power from the PCIe slot
  • Each port delivers up to 2 A for high-draw devices like hard drives
  • Plug-and-play on Windows 10, 8.1, 8 and Server 2012–2019

Four USB 3.0 ports via PCIe

The RIITOP PCET4U3-NEC adds four USB 3.0 ports to a desktop computer through a PCI Express 1x or larger slot. It delivers up to 5.0 Gbps total bandwidth shared across the four ports. The card uses a Renesas chipset and includes UASP support for faster storage transfers.

Fits a full-height desktop with a free PCIe slot

A vacant PCI Express slot of 1x width or wider is required on the motherboard. The bracket is full-height only, so the card will not install in slim or low-profile chassis. No external power cable is needed because the card draws up to 8 A total, 2 A per port, directly from the PCIe slot.

Passive cooling with self-powered design

The card operates without a fan, relying on case airflow for cooling. On-board power modules and circuit protectors supply stable 5 V current to each port, supporting hot-swapping of USB 3.0, 2.0 and 1.1 devices. Power draw and thermal load are limited to what the PCIe slot provides.

How it compares

Measured against everything we stock in PCIe Expansion Cards, at today’s prices. Recalculated every night.

Price $18.99
Cheaper than about 73% of the 891 comparable items (median $30.99).

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Specifications

Product
Brand nameRIITOP
Model namePCET4U3-NEC
Product typePCIe expansion card
Performance
Transfer speedUp to 5.0 Gbit/s
Connectivity
Supported standardsUSB 3.0
Ports & slots
External USB ports4-port USB 3.0
External connectors4 port USB 3.0
In the box
In the box1x PCIe USB 3.0 Expansion Card 4 Port.

Questions about this item

What is the maximum combined data transfer rate when all four USB 3.0 ports are active?

The card delivers up to 5.0 Gbps total bandwidth shared across the four USB 3.0 ports.

How much power can the card supply to connected devices without an external power cable?

Each port provides up to 2 A, giving 8 A total from the PCIe slot alone.

What slot type and bracket clearance does the card require in the host PC?

It needs a free PCIe x1 or larger slot and a standard-height bracket; it will not fit slim or low-profile cases.

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