The SATA electronic disk solution based on the CH568 single-chip implementation uses CH568 as the disk drive and SD card as the storage medium. The serial SATA port is connected to a host computer and other hosts, and realizes the functions of local disk storage and system startup disk of the host.
The CH568 chip is a 32-bit MCU, integrated SATA controller and SD controller, high-speed USB controller and transceiver (CH567 is a dual USB port), provides SM4 and AES two encryption algorithms. Other chips of the same series, such as CH567, integrate two independent high-speed USB controllers and transceivers on-chip, which can simultaneously use two sets of high-speed USB host mode, device mode or one master one slave mode.
Compared with ordinary SATA hard disk, SATA electronic disk has the advantages of good shock resistance, mute, low cost, small size and unlimited capacity; compared with solid-state hard disk, it has the advantages of high cost performance and controllable capacity; SATA based on CH568 chip Compared with similar products, the electronic disk solution has the advantages of fast speed, high SD card and system compatibility.

Features
> Anti-vibration, anti-interference, anti-collision, and solve the problem of hard disk damage;
>Small and portable, solve the problem of insufficient space on the industrial computer;
>SD card capacity is unlimited, can be selected according to need, to avoid wasting hard disk space and save costs;
>SDIO high-speed SD card interface, compatible with TF cards and SD cards commonly used in the market;
>Support system startup, high compatibility of operating system and computer;
>Support common Windows and Linux operating systems.
compare plan
| Compare items | Mechanical hard drive | Solid State Drive | Other SD to SATA electronic disks | WCH SD to SATA electronic disk |
|---|---|---|---|---|
| seismic performance | Weak | Weak | Strong | Strong |
| Anti-interference | Weak | Stronger | Stronger | Stronger |
| Voice | Yes | None | None | None |
| Volume | Big | smaller | larger | Small |
| Rate | fast | Soon | Slow | is faster |
| Optional capacity | fixed | fixed | Partially limited | Unlimited |
| Power consumption | Big | smaller | Small | Small |
| System compatibility | Very high | Very high | Partially limited | High |
| SD card compatibility | —— | —— | Partially limited | Higher |
| Cost | lower | High | Low | Low |
Technical parameters
> Continuous reading rate: 42 MB/S
>Continuous write rate: 23MB/S
>SD card standard: HC, XC
>SD card capacity: unlimited
>UHS support: support
>Operating system support: DOS, LINUX, WINDOWS XP, WIN 7, WIN 8, WIN 8.1, WIN 10, etc.
The SD to SATA interface electronic disk solution based on CH568 chip can be widely used in complex environments such as industrial control, machining, data acquisition, and product testing.

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