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Corfu Craxr RGB memory evaluation： high-frequency e-sports memory bar, ring RGB light bar design

2026年7月5日 | admin | C3

KLEVV Kefu, I believe that friends who often watch LOL competitions should be familiar with this brand. It is not only the official sponsor of the 2021 LCK, but also the sponsor of the T1 team where the big devil Faker is located for many years; Referring to science and taxmemoryA product, we have previously evaluated Kefu’s BOLT XR memory, and its Hynix DJR particle overclocking potential is huge and impressive.

　　For some players who pursue the value of the chassis, the memory should not only have strong performance, but also look good. Therefore, Kefu introduced Craxr RGB memory, which provides a new choice for players who like to play with lights and pursue memory performance.

　　Today, this Corfu Craxr RGB memory came to PConline evaluation room, so how did it perform? Let’s take a look at it next.

　　We received two 8GB versions of Craxr RGB memory sticks, with the frequency of DDR4-4000 and the memory sequence of CL19. In addition, there are versions of DDR4-3600 CL18 and DDR4-4266 CL19, and the capacity can be selected from a single 8GB/16GB and 16GB/32GB set, so the frequency and capacity options are relatively rich.

　　The packaging box is designed in dark black, and the colorful RGB logo and light bar effect diagram on the front highlight the gorgeous RGB lighting effect of the product. The logo of lifetime warranty is in the lower left corner, and the capacity and frequency of the product are indicated in the upper right corner.

　　On the back of the product, the characteristics of the memory are introduced: firstly, the memory is manufactured by strict technology, and secondly, it supports the RGB synchronous lighting effects of many mainstream manufacturers, including Razer, Asus, Gigabyte, MSI and Huaqing. You can set the overall RGB lighting effect synchronization through the lighting effect software of these manufacturers.

　　In addition, the back is also marked withIntel XMP andAMDThe logo of indicates that this memory is compatible with Intel and AMD platforms.

　　As soon as the memory is in hand, you can see that the work of the vest is still relatively good. The vest body is made of aluminum with good thermal conductivity, and the rich color matching adds a touch of exquisite feeling to the appearance of this memory stick.

　　Above the memory is a circle of RGB light guide bars, and on the right there is the model identification of the memory. The light guide bars are designed in a corner-free ring shape, so you can easily see the lighting effect of RGB whether you look up or down.

　　Below the light guide bar is a decorative bar with bright design, with the Logo and model of Kefu on it, which makes the exterior look more quality.

　　At the same time, the vest is frosted, so it is not easy to produce fingerprints when fingers touch the vest. The vest also has many concave dots, on the one hand, for decoration, on the other hand, it can increase the heat dissipation area of the vest to a certain extent and improve the heat dissipation efficiency.

　　The memory stick also has a small label printed with the model of the memory stick, the frequency of DDR4-4000, the operating voltage of 1.4V and the origin of Korea.

　　Compared with BOLT XR, the face value of CRAS XR RGB is indeed better.

　　Next, let’s enjoy the brilliant annular RGB lighting effect, but it would be better if the lighting effect could be softer.

　　Previously, the performance of DDR5 memory was tested on the 12th generation Core, because there was no Z690 with DDR4 slot in the evaluation room.mainboardSo we just recently received the ASUS ROG Z690-A GAMING WIFI D4 snow blowing motherboard, so this time we will use the 12th generation Core platform to test the performance of this memory.

　　Through the memory SPD reading tool in ASUS BIOS, we can read the relevant information of the memory. We can see that the read memory granule manufacturer is from Hynix, which supports XMP2.0. The basic frequency of JEDEC is DDR4-2666, and it has an XMP gear with the frequency DDR4-4000 CL19.

　　Judging from the information read in HWiNFO64, DDR4-4000 frequency has been successfully identified, and the time sequence is CL19, and two channels have been formed.

　　In the typhoon software, we can see that the CRAS XR RGB memory particles in our hands are from Hynix, and from Part Number, we can see that the memory uses DJR particles.

　　First of all, let’s test the performance at JEDEC standard frequency, which is DDR4-2666 frequency. this momentCPUMemory frequency division is set to 1:1, and memory frequency division is not enabled.

　　Using the cache and memory benchmark in AIDA64 to test the memory efficiency, we can see that the Craxr RGB memory has a memory reading speed of 42,194 MB/s, a memory writing speed of 38,584 MB/s, a memory copying speed of 41,000 MB/s and a memory delay speed of 74.6ns at the JEDEC reference frequency.

　　Next, we use 3DMARK’s CPU PROFILE test to see the benchmark performance of CPU. From the results, the memory frequency has little effect on the running score of CPU PROFILE.

　　We also ran two benchmark of high frame rate racing games at DDR4-2666 frequency, F1:2020 and Extreme Racing: Horizon 4 (don’t ask why it’s not Horizon 5, because the Microsoft server can’t connect).

　　Under F1:2020, the average frame rate is 321, the lowest frame rate is 246 and the highest frame rate is 390. In Extreme Racing: Horizon 4, the average frame rate of CPU simulation is 301, the lowest frame rate is 244.7, and the highest frame rate is 360.6.

　　Next, enable XMP to configure overclocking. After the BIOS sets the frequency of XMP, BCLK and the frequency division ratio of the memory controller, you can start it safely.

　　Continue to use the cache and memory benchmark in AIDA64 to test the memory efficiency. We can see that Craxr RGB memory is provided. After XMP is enabled, the memory reading speed is 62055MB/s, the memory writing speed is 57805MB/s, the memory copying speed is 57465MB/s, and the memory delay speed is 78.3ns. The speed of memory reading and writing is increased by nearly 48%, and the speed of copying is increased by nearly 40%, at the cost of 4% delay.

　　In the benchmark of F1: 2020, the average frame rate is 341, the lowest frame rate is 265 and the highest frame rate is 423. Compared with the reference frequency frame number, it is 20 frames, 19 frames and 33 frames higher.

　　In "Extreme Racing: Horizon 4", the average frame rate of CPU simulation is 341.6, the lowest frame rate is 292, and the highest frame rate is 402.5, and the number of frames is also greatly increased.

　　For DJR granular memory with excellent overclocking potential, it is naturally not easy to end the test like this.

　　After adjusting the parameters, the overclocking of CRAS XR RGB memory was finally stabilized at DDR4-4800, and the time sequence was CL19 25-25-45-70, which passed the test of RunMemtestPro memory load software.

　　Now that we have passed the test, we will test the performance by AIDA64 software. We can see that Craxr RGB memory is overclocked to DDR4-4800, and the memory reading speed is 75,199 MB/s, the memory writing speed is 70,310 MB/s, the memory copying speed is 65,199 MB/s, and the memory delay speed is 68.3ns, which is more obvious than DDR4-4000. The memory reading speed is increased by nearly 22%, the writing speed is increased by nearly 22%, the copying speed is increased by nearly 13%, and the delay is reduced by 10ns. Here, we can see the strong overclocking potential of DJR particles, which brings excellent memory performance.

　　In "Extreme Racing: Horizon 4", the average frame rate simulated by CPU is 375.8, the lowest frame rate is 319, and the highest frame rate is 441.3. The number of frames is higher than that after opening XMP. Thanks to the powerful memory performance, especially the improvement of the minimum frame rate, the game’s image quality fluctuation can be reduced greatly, and the experience is more stable.

　　Kefu CRAS XR RGB memory uses Hynix DJR particles, plus DDR4-4000 high frequency, which brings excellent memory performance and can bring a higher level of performance to the overall performance and game experience of the computer. At the same time, the starting voltage of particle 1.4V and good overclocking potential lay a solid foundation for it to surpass DDR4-4800. With the strong memory performance, the frame number is more stable when experiencing high frame rate games.

　　Secondly, its metal heat dissipation vest can bring efficient and stable heat dissipation performance. The existence of corner-free annular RGB light guide bars adds icing on the cake to the face value of Kefu CRAS XR RGB memory. It also has good compatibility and supports a variety of mainstream lighting effects. It is a high-performance e-sports memory chip that gamers deserve to choose.

Reporting/feedback

Grasp the connotation of the modernization era of military theory

2025年9月13日 | admin | C3

Quote

The report of the 19th National Congress of the Communist Party of China pointed out that the modernization of military theory, military organization, military personnel and weapons and equipment should be promoted in an all-round way. The first position of the modernization of military theory in the "four modernizations" has been clarified, which has given our army a new connotation of the times and injected a strong impetus into the research and innovation of military theory. Analyzing the background of the modernization of military theory and clearly grasping its main characteristics and development trend will help us deepen the research and exploration of the modernization of military theory and vigorously promote the modernization of national defense and the army.

The background of modernization of military theory

To study the laws and characteristics of modernization of military theory, we should first analyze the background and requirements of modernization of military theory.

Judging from the development track of contemporary international military theory, the modernization of military theory is accompanied by the changes of strategic environment, military technology and war form. After World War II, with the formation of the Cold War pattern, superpowers sought nuclear hegemony, nuclear balance and nuclear deterrence, resulting in a military theory of nuclear deterrence based on "balance of terror". With the outbreak of the Middle East War and the Iran-Iraq War, local war has become a new form of war, and the theory of limited war and special war represents new achievements in the modernization of military theory. In the late 20th century, the fourth military revolution, represented by information technology, rose, and the information-based war stepped onto the historical stage. The war theory in the information age became the new theme of modern military theory.

In recent years, with the rapid development and application of new technologies such as big data, cloud computing and artificial intelligence, the war form has been accelerated to information and intelligence. In this context, the space, field and dimension of military activities are expanding day by day, which is more closely related to politics, economy, culture and law. In particular, the requirements of systematization, quantification and engineering of military theory are getting higher and higher. Military theory is becoming a comprehensive theory that permeates many disciplines such as social science, natural science and technical science, which objectively requires the internal development of military theory to be more systematic and scientific.

To this end, this paper tries to define the modernization of military theory as follows: using the outstanding achievements in politics, military affairs, science and technology, education, management and culture created by the contemporary world, through innovation, the country’s understanding and knowledge system of national defense and army building will reach the contemporary advanced level, leading the development of military organizational form, military personnel and weapons and equipment modernization level and its process. This definition mainly includes four meanings: first, the modernization of military theory is the goal to be achieved and the development process; Second, the soul of modernization of military theory is innovation; Third, to realize the modernization of military theory, we should make extensive use of the achievements of contemporary advanced civilization; Fourthly, the leading position and role of modernization of military theory in the modernization of the army are clarified.

Main characteristics of modernization of military theory

The magnificent military practice in contemporary times has bred fertile ground for the modernization of military theory, and the theoretical exploration of a hundred schools of thought has constructed the magnificent content of modern military theory system. From the interaction between theory and practice, we can preliminarily see the main characteristics of modernization of military theory.

The advance of thinking. The advance of thinking has the logical driving force of anticipating and opening up ideas in concept discovery, concept construction and system design, which reflects the core requirements of military theoretical innovation and embodies the distinctive indicators of military theoretical modernization. Judging from the innovative practice of contemporary military theory, military reform is not only a leap in military technology, the upgrading of weapons and equipment, but more importantly, the forward-looking driving and leading of thinking. The characteristics of advanced thinking are as follows: strong crisis concept, with the mission of defending national sovereignty and national security interests, judging the international strategic environment situation, grasping the overall situation of military threats, and planning the future military needs forward-looking; Foresight and insight, profoundly grasp the laws and characteristics of modern warfare, predict the future war form, combat style and military technology development direction, and seize the thinking highland of "winning first and then seeking war"; Bravely transcend ideas, break through traditional thinking habits and stereotypes, establish systematic thinking, data thinking and algorithm thinking, explore new concepts of operations, design new winning mechanisms, and form a new path to enhance combat effectiveness.

The integrity of the system. Military theory is a systematic rational understanding and knowledge system of military issues. The integrity of its system and the systematization of its content are its inherent and inevitable requirements, and it also constitutes one of the main characteristics of the modernization of military theory. For example, Russia pays close attention to the systematicness of military theory, and successively published two editions of Military Theory of the Russian Federation in 2010 and 2014, which constitute a complete military theory system of the Russian army in the 21st century. Over the years, our army has actively constructed a systematic and complete military theory. According to the second edition of China Military Encyclopedia, our army has formed a military theoretical system consisting of 15 knowledge categories, including military thought, political work, military logistics and military equipment. With the progress of science and technology and the development of war practice, the scope of military theory will continue to expand, and the content will be more perfect and systematic.

The innovation of the method. Engels pointed out that the old methods cannot be used to achieve new results in military art. Only by creating new and more powerful means can we achieve new and greater results. Therefore, we should pay attention to relying on the application of new methods and means to greatly improve the efficiency and scientificity of military theoretical research. At the beginning of the 20th century, Lanchester, an Englishman, used the method of mathematical analysis to study combat problems for the first time, which initiated the quantitative analysis of military theory research. In World War II, the military operational research based on weapon effectiveness analysis brought the military theoretical research into the modern scientific level. At present, with the development of emerging technologies, big data, cloud computing and artificial intelligence will provide more innovative means and methods for military theoretical research. We should pay attention to promoting military theoretical research more scientifically and efficiently with these new methods.

The popularization of the results. Contemporary military theory is full of strong activity and practicality, and it has become the development direction of military theory modernization to apply the latest theoretical achievements to combat operations, equipment construction, military training and college education as soon as possible. The way for foreign troops to reach a consensus is to speed up the generation of combat effectiveness, quickly "materialize" new achievements in military theory into military regulations and planning plans, and promote the transformation and application of achievements at multiple levels and in multiple fields. According to the process of "operational concept-capability requirement-technical support", the military theory will be transformed into equipment documents to plan the future development of weapons and equipment; According to the new requirements of the combat mission and task in the new military theory and the combat capability of the troops, the structure of the combat forces of the troops is adjusted and the system establishment is optimized; Standardize military theory into operational rules and training programs to guide military training and college teaching; Through the combat laboratory, the evolution of new military theory is refined into operational scenarios and operational plans, which are applied to combat operations.

Development trend of modernization of military theory

In the 21st century, with the in-depth development of military reform, countries all over the world attach great importance to the leading role of military theory on the basis of strengthening the role of military technology in promoting the modernization of the army. They have adjusted their military strategies in light of their own development reality and put forward new military ideas and theories, which have continuously injected vitality into the development of military equipment, the establishment system of the army and the training of military personnel, and accelerated the modernization process of military theory, showing new characteristics and trends of the times.

Design war: a new space for the modernization of military theory. The emergence of new technology groups with network technology, combat simulation technology and artificial intelligence technology as the core has produced advanced combat experiment theories and methods, opened up new ideas and new fields for military theoretical research, provided conditions and possibilities for military theoretical research reform, and designed wars are becoming a reality. Through the combat laboratory, we can not only test the adaptability and operability of the existing military theories, but also verify the rationality and effectiveness of the operational regulations, evaluate the feasibility and effectiveness of the operational plan, and more importantly, design future wars. With the help of the experimental environment of approximate actual combat, a new operational concept is put forward, and the confrontation is simulated repeatedly, resulting in a virtual battle example, and a new operational theory is deduced and refined. In fact, the effect of these laboratories in war simulation has also been fully confirmed. Looking at several important local wars in the 20th century, all of them were simulated in the laboratory first, and then carried out operations, which realized that "the war started in the laboratory" and showed the new direction of modernization of military theory.

Integration of science and technology: opening up a new mission of military theory modernization. With the development of information warfare practice and the emergence of intelligent warfare, the trend of interaction and integration between military theory and science and technology is becoming more and more obvious. First of all, the development of military theory leads the way and provides power for military technology. New operational concepts and theories of western military powers emerge one after another, which breeds a series of new military demands and stimulates new functions and indicators of military technology development. Secondly, the innovation and breakthrough of military technology gave birth to new operational theories. Nuclear technology produces the theory of nuclear shock and awe, guidance technology produces the theory of precision strike, and information technology produces the theory of information warfare. At present, big data, cloud computing and artificial intelligence technologies are developing rapidly, and intelligent wars are coming to us. Thirdly, the penetration, intersection and synthesis of military theory and military technology are deepening day by day. In the process of the development of military theory and technology to detailed professional classification, the integration of military theory and other sciences is further highlighted, and a huge and systematic military science system is constructed.

Combining research with war: consolidating the foundation of modernization of military theory. Only when military theory is rooted in the fertile soil of military practice can it fully stimulate vitality and maintain vigorous vitality. On the one hand, we attach importance to the test of military theory in actual combat. After the baptism of the Syrian-Israeli Bekaa Valley War, the British Amama War and the Gulf War, the theory of electronic warfare has evolved into a brand-new information warfare theory. On the other hand, strengthen military theory to be tested in experiments. In the process of the formation of the "Rapid Decisive Combat Theory" of the US military, the concept of "Future Joint Combat Concept" was first formulated by the Joint Forces Command, and then three versions of the "Rapid Decisive Combat Concept" document were formed by the simulation experiment of the future joint laboratory, which was successfully applied to the Iraq war.

Open communication: opening the international vision of modernization of military theory. Modern military activities have increasingly crossed national boundaries, and military diplomacy has become more and more frequent. On the one hand, the development of military theory requires not only strengthening the exchanges between services and arms, but also facing the society, actively opening to the society, deepening the exchanges between the military and the land, and absorbing and making full use of the achievements in social science, natural science and engineering technology in time. The foreign military attaches great importance to the support and training of non-governmental advisory bodies, and many major military theoretical studies have been undertaken by them, which has brought about important military benefits. On the other hand, the development of military theory should face the world, learn from others’ strengths and make up for their own shortcomings, which has become the consensus of all countries to strengthen the modernization of military theory. Through international military art conference, international military exercises, joint peacekeeping operations, military visits and other activities, we can directly or indirectly grasp the theoretical direction of foreign troops, improve the starting point of theoretical research, and promote the development of military theory to the world and the future.

(Author: Naval Research Institute)