preface
More and more notebooks can only add a small number of USB-C ports and USB-A ports in a limited volume due to the need for thin and light design, and users often face the problem of insufficient interfaces. Therefore, major manufacturers have launched products such as docking stations or hubs to expand more interfaces to meet the needs of users.
Recently, the charging head network got Lenovo USB-A hub, the hub is equipped with four USB-A interfaces, to meet the needs of charging, data transmission and peripheral expansion, etc., of which each A port is USB3.0 specifications, the transmission rate is up to 5Gbps, let's take a look at the measured performance.
Unboxing introduction
The packaging box is designed with a gray-brown color scheme, with the product name "Lenovo USB-A Hub A601" printed on the front, and the three-dimensional appearance of the product below, and the "Lenovo" Lenovo brand logo in the lower right corner.
The specifications of the hub are printed on the back of the box:
Name: Lenovo USB-A Hub A601 (hereinafter referred to as Lenovo USB-A Hub);
Serial: A601 3.0;
Material: ABS;
额定输入：5V/2A（MAX）；
额定输出：USB3.0 x4：5V/900mA（MAX）；
Rated power: 10W (MAX);
Manufacturer: Lenovo (Beijing) Co., Ltd.
There is only the Lenovo USB-A hub body in the box, and there are no other manuals or accessories.
Lenovo USB-A hub shell is made of ABS plastic, and the frosted processor is made, which feels delicate and is not easy to leave fingerprints; The hub also has a built-in high-performance chip to improve transmission efficiency.
联想USB-A集线器机身正面凹刻"Lenovo"联想品牌LOGO。
The back of the Lenovo USB-A hub is very minimalist.
Let's take a look at the interface part, the interface is basically configured on the side, there are four USB-A interfaces, and the transmission specifications of the interface are USB3.0, that is, USB 3.2 Gen1, and the transmission rate can reach 5Gbps.
The thread body is made of thickened PVC material, which is not afraid of repeated bending and storage in daily life, and is more durable; The connection with the hub is also lengthened and thickened.
集线器端子为USB-A,端子上还凹印"Lenovo"品牌LOGO。
The length of the hub cable is about 26cm.
The Lenovo USB-A hub body length is about 95.25mm.
The Lenovo USB-A hub body is about 35.12mm wide.
The thickness is about 11.81mm.
The Lenovo USB-A hub weighs around 37.5g, making it lightweight and portable, making it ideal for on-the-go use.
The Lenovo USB-A hub is placed in the hands of an adult man, as shown in the figure, and the overall size is relatively small, and the appearance is delicate and easy to carry.
charge
Next, test the performance of the Lenovo USB-A hub in terms of charging, and the Lenovo USB-A hub is equipped with a total of four USB-A, each with the same interface specifications.
Connect the hub to the Lenovo Xiaoxin Pro 14 laptop, connect to the hub through the A to C cable, and charge the iPhone 15 Plus at the same time on the other end, the measured charging power is around 5.54W.
Similarly, connect the hub to the laptop and connect it to the hub via a A to C cable, while charging the Samsung S24 Ultra at the other end, the measured charging power is around 3.39W.
Connect the hub to the laptop, connect to the hub via a A to C cable, and charge the Xiaomi Mi 14 Ultra on the other end, the measured charging power is around 4.21W.
Connect the hub to the laptop, connect to the hub via a A to C cable, and charge the Huawei Mate 60 Pro on the other end at the same time, the measured charging power is around 5.92W.
Data transmission
Next, the performance of the Lenovo USB-A hub in data transmission is tested, and the Lenovo USB-A hub is equipped with a total of four USB-A ports, each with the same specifications, all of which are 5Gbps, so only one of them is tested.
Below, connect the Lenovo USB-A hub to the USB-A ports of three different mini hosts, and test the transmission rate of the USB-A ports of the hubs using USB 3.2 Gen2 specifications and solid-state USB flash drives with USB-C AND USB-A dual interfaces.
The test uses the 2020 Mac mini, 8G+512G configuration, Apple M1 processor and 8-core graphics processor, and the machine is equipped with two USB-A ports.
Connect the USB flash drive to the USB-A port of the hub, and use the Disk Speed Test software to measure the read speed of up to 306.2MB/s and the write speed of up to 210.3MB/s.
The test uses the mechanical revolution imini Pro520 mini host, 32G+1TB configuration, with Intel Ultra 5 125H processor and Arc Graphics graphics processor, and the machine is equipped with four USB-A ports.
Connect the USB flash drive to the USB-A port of the hub, and the measured read speed can reach 456.18MB/s and the write speed is about 456.17MB/s using CrystalDiskMark software.
The test uses a Barium GEM12 Pro mini host, 16G+1TB configuration, AMD R7 8845HS processor and Radeon 780M Graphics graphics processor, and the machine is equipped with four USB-A ports.
Connect the USB flash drive to the USB-A port of the hub, and the measured read speed can reach 404.42MB/s and the write speed is about 431.84MB/s using CrystalDiskMark software.
brief summary
Due to the different algorithms of the system and the test APP, there is a slight difference between the read and write speed of the macOS system and Windows, but it can be seen from the data of the three device tests that the USB-A interface of the Lenovo USB-A hub can reach the officially advertised USB3.2 Gen1 (USB3.0) 5Gbps transmission specification, and the actual transfer speed can reach 456MB/s+.
Usage scenarios
The Lenovo USB-A Hub comes with an all-in-one USB-A cable and can be expanded to four USB-A ports.
The four A ports can be connected to peripherals such as mouse keyboards and printers, and can also provide low-current charging, or connect to hard disks, U disks and other devices to transfer files, which greatly alleviates the lack of interfaces in some notebooks and meets the needs of daily office and entertainment.
Summary of the charging head network
The Lenovo USB-A Hub's small, lightweight design makes it very portable, whether it's for office work or daily use, and its ABS material and matte finish not only enhance the texture of the product, but also enhance durability and wear resistance.
In terms of performance, the Lenovo USB-A hub offers four USB-A ports with transfer rates of up to 5Gbps and measured sequential read speeds of more than 456 MB/s, even for large file transfers. The measured output of each interface can also provide about 6W, although it is small for mobile phones, but it is still more practical to charge low-current devices such as Bluetooth headsets and watches. In addition, there are still many peripherals on the market, such as mice, keyboards, USB flash drives, etc., which are still USB-A interfaces, and the four A ports can fully meet the needs of peripheral expansion, charging, and file transfer, helping to create a clean and tidy desktop.