In the industry, not every device with storage can have a good working environment. On the contrary, working in a harsh environment is the daily work of professional equipment. Especially in the fields of transportation, intelligent Internet of things, financial technology and industrial automation, the reliable storage in the high temperature environment below or above zero becomes particularly critical. At this time, it becomes very important to choose a reliable wide temperature solid-state drive.
There are many wide temperature SSD storage schemes available on the market, but it does not mean that each scheme is suitable and truly reliable. So how to choose industrial wide temperature solid state drive? Here, let’s talk about the details we need to know about wide temperature solid state drives.
What areas must use wide temperature solid state drives?
Engineers and designers sometimes ignore the environmental requirements of storage components before designing and selecting a brand-new industrial computer. The normal working temperature of ordinary solid-state drives is generally between 0 ℃ and 70 ℃. Once the selected equipment involves a working environment below zero or an environment above 70 ℃, it is necessary to give priority to wide temperature solid-state drives.
Taking the on-board computer as an example, whether it is a manned vehicle or a driverless vehicle used for logistics transportation, it is possible to move forward in the snow with a temperature of below zero, or continue to be exposed to high temperature in the tropical environment. Therefore, on-board computers need to take into account the characteristics of wide temperature, earthquake resistance, dust prevention, long-lasting power supply endurance, low electromagnetic interference and so on.

In the on-board computer, the wide temperature solid-state disk not only undertakes the task of high-speed reading and writing of data such as automatic driving data recording, navigation, influence and sensor signals, but also ensures that the data can be read, written and transmitted stably beyond the range of 0-70 ℃. At this time, you can consider choosing a wide temperature solid-state disk product from – 40 ℃ to 85 ℃.

Industrial computers are also frequent customers operating in a wide temperature environment. Especially with the standardization and low price of PC, PC based industrial PC has become the mainstream of industrial automation. System protection is a basic and important requirement for industrial computers. Especially in some environments, advanced functions such as wide temperature support, wide voltage support and electromagnetic wave protection are needed to meet various severe industrial environments.
In particular, industrial computers support wide temperature range. The excellent wide temperature solid-state drive will have the function of automatic overheating protection performance maintenance, and the built-in temperature sensor cooperates with the dynamic temperature control and frequency modulation system to take effective corresponding constant temperature measures when the machine temperature is too high or too low, so as to ensure that the solid-state drive can protect the integrity of data and the safety of equipment within the safe operation range, And long-term operation stability.

Taking the CVB (WT) series of Jianxing storage technology ssstc as an example, both the 2.5-inch SATA interface and the m.2 interface can provide a working range of – 25 ℃ to 85 ℃, which can easily cover many harsh environments. Compared with the wide temperature solid state disk products from – 40 ℃ to 85 ℃, it has better cost performance.

In addition, there are many kinds of operating environments for wide temperature solid state drives. For example, rugged laptops that often appear in harsh environments, monitoring systems for network storage and network monitoring, and transportation management systems for track management and maintenance systems all need to use wide temperature solid-state drives.
How is the wide temperature solid state drive designed?
Judging from the appearance, the wide temperature solid-state drive looks almost the same as the ordinary solid-state drive. In fact, the wide temperature solid-state drive is an industrial product, which costs more for the harsh temperature environment. For example, the wide temperature solid-state drive of Jianxing storage technology relies on the cooperation of the built-in temperature sensor and the dynamic temperature control and frequency modulation system to maintain the operating temperature of the solid-state drive within a safe range, which is impossible for ordinary solid-state drives.
In fact, wide temperature SSD is more sensitive to temperature than the actual temperature range. Depending on the temperature sensor inside the SSD, the temperature change of the SSD between – 40 ° C and 125 ° C can be monitored through s.m.a.r.t. At this time, cooperate with the manufacturer’s temperature control strategy to achieve the corresponding temperature regulation effect.

For example, Jianxing storage technology ssstc, which has a deep understanding of SSD Firmware, will judge the possible critical value of system failure through SSD Firmware. Assuming that the temperature of the solid-state drive is too high, the solid-state drive firmware will immediately enable the dynamic temperature control and frequency modulation system to adjust the transmission rate, so as to reduce the generation of heat and keep the solid-state drive in a safe operating range.
When the temperature is lower than the minimum threshold temperature specified by the system, the firmware will increase the transmission rate of the solid-state disk to the best performance level. It can be seen that a company with excellent firmware design ability can skillfully control the state of SSD through firmware and make reasonable judgment and action in the corresponding situation.
How can manufacturers make wide temperature solid state drives reliable?
So how do manufacturers verify how reliable the wide temperature solid-state drive is when it resists the harsh temperature environment? Here, we might as well take the four test items exclusively used by Jianxing storage technology as an example to see what rigorous tests have been carried out on wide temperature solid-state drives before leaving the factory.
Temp OP wide temperature operation test:
Test the operating temperature of the SSD between – 40 ° C and 85 ° C, and test various interval temperatures to ensure that the SSD can complete the test without parts damage, reading and writing errors and comparison errors, so as to verify that the wide temperature SSD can operate smoothly under the influence of various temperatures.
Thermal profile component surface temperature test:
Component test and thermal analysis for all main components of wide temperature solid-state drive, including SOC, NAND and DRAM. We test the variation of maximum temperature and s.m.a.r.t. value of components, verify whether they meet the original specifications, and design the thermal convection mechanism of solid-state drive according to the thermal analysis results. At the same time, ssstc can also customize the best heat dissipation design for customers.
Daily life daily test:
The compatibility and reliability test of SSD simulates various operations in daily applications with severe standards on various platforms, operating systems and test software, including power cycle, reboot, copy & delete, long latency, read / write test, etc.
DET (FC / PC / PM) test:
The hybrid test is composed of four quadrants of high temperature, low temperature, high voltage and low voltage to ensure that the wide temperature solid state drive can operate normally under the limit state, including the following three categories:

• Read write test on FC: test that the SSD can still maintain normal reading and writing under four extreme states
• Power cycle test on FC: test whether the power restart of solid-state disk is normal under four extreme states
• Power management on FC: test whether the sleep / energy-saving state wakes up normally under the four extreme states of SSD

In addition, Jianxing storage technology has added seismic and impact resistant solid-state drive design to the rigorous test of solid-state drive. For example, Jianxing storage technology has introduced the famous neosem chamber test platform in the test link, and requires the seismic capacity of wide temperature solid-state drive products to meet all specifications in military regulation mil-std-810g, At the same time, the impact resistance also meets mil-std-202g and mil-std-883 military crashworthiness specifications.

Even, the above-mentioned test link is not completed when the solid-state drive is still. Jianxing storage technology will enable the wide temperature solid-state drive to continuously simulate various scenarios such as high temperature, vibration and impact under the running state of burn in 8.0 test software for more than 30 minutes to verify the reliability of the wide temperature solid-state drive in complex environments.

Choose a trusted large factory
In fact, the premise of all SSD wide temperature design should be that the product itself should have excellent product quality. Jianxing storage technology mentioned above is a subsidiary of Kaixia Holding Co., Ltd., so it also insists that industrial wide temperature solid-state drives only use high-specification toggle NAND particles from Kaixia’s original factory. In addition, Jianxing storage technology has excellent solid-state drive firmware design ability and more rigorous tests besides routine testing, Make the wide temperature solid state disk of Jianxing storage technology more reliable.

From the selection of the most basic high-quality components to the excellent and customizable firmware design ability, Jianxing storage technology’s wide temperature solid-state drive products become particularly reliable. It provides excellent data storage and efficient transmission guarantee for industrial equipment designed for harsh environment. It can be seen that the wide temperature solid state disk products of Jianxing storage technology are quite trustworthy.