Core Insights - InnoScape (2577.HK) shares surged over 18% to HKD 91.8 following the announcement of a collaboration with NVIDIA to support the 800 VDC power architecture [1] Company Developments - InnoScape is partnering with NVIDIA to provide a full GaN power solution for the 800 VDC power architecture, which is essential for the expansion of the next-generation GPU roadmap [1] - The collaboration aims to empower new AI factories by enhancing the efficiency and power density of AI data centers while reducing energy consumption and CO2 emissions [1] Industry Impact - The 800 VDC rack power architecture represents a significant advancement for AI data centers, similar to the upgrade from 400V to 800V in the electric vehicle industry [1] - Increasing the rack voltage from 48V to 800V can reduce current by 16 times, significantly decreasing I2R losses and minimizing the demand for copper materials [1]

富士康与 英伟达 合作开发800 VDC电源架构。 ...

富士康与英伟达合作开发800 VDC电源架构。 ...

Core Viewpoint - InnoSwitch (英诺赛科) announces collaboration with NVIDIA to support the 800 VDC power architecture, which is expected to enhance efficiency, power density, and reduce energy consumption and CO2 emissions in AI data centers [1] Group 1: 800 VDC Power Architecture - The transition from 48V to 800V in rack power systems can reduce current by 16 times, significantly decreasing I²R losses and minimizing copper demand [1] - Traditional AI systems operating at 48V face challenges such as inefficiency and high copper consumption, with over 45% of total power used for cooling [1] - The 800 VDC architecture is positioned as a solution to support the transition from kilowatt to megawatt-level AI clusters [1] Group 2: GaN Technology Advantages - InnoSwitch's third-generation GaN technology offers a decisive advantage, reducing driving losses by 80% and switching losses by 50% compared to SiC at 800V input, leading to an overall power reduction of 10% [3] - Only 16 GaN devices are needed to achieve the same conduction losses as 32 silicon MOSFETs at 54V output, doubling power density and reducing driving losses by 90% [3] - The use of GaN materials in the low-voltage conversion stage of 800 VDC can lower switching losses by 70% and increase power output by 40% within the same volume compared to existing silicon MOSFET architectures [3] Group 3: Full-Stack GaN Solutions - As the only full-stack GaN supplier, InnoSwitch is capable of mass-producing GaN solutions from 1200V to 15V, providing a complete solution from 800V to 1V [5] - InnoSwitch's GaN technology has demonstrated superior reliability, passing rigorous stress tests and ensuring a high-performance lifespan of over 20 years for data center products [5] - The integration of the 800 VDC power architecture with InnoSwitch's GaN technology is set to revolutionize AI data centers, enabling a leap from kilowatt to megawatt racks, fostering a new era of efficient, high-performance, and environmentally friendly AI computing [5]

Core Insights - InnoSwitch (英诺赛科) announces collaboration with NVIDIA to support the 800 VDC power architecture, which is a breakthrough for AI data centers, enhancing efficiency, power density, and reducing energy consumption and CO2 emissions [1] - The transition from 48V to 800V in power supply units (PSUs) significantly reduces current by 16 times, minimizing I²R losses and copper demand, addressing the challenges faced by traditional AI systems [1] - The 800 VDC architecture enables a leap from kilowatt to megawatt-level power systems, essential for future AI clusters with over 500 GPUs [1] Group 1: Technical Advantages - To meet the power density requirements of 800 VDC, the switching frequency of power supplies must increase to nearly 1MHz, potentially reducing magnetic component and capacitor sizes by about 50% [2] - InnoSwitch's third-generation GaN technology offers decisive advantages, including an 80% reduction in drive losses and a 50% reduction in switching losses compared to SiC, leading to an overall power consumption reduction of 10% [2] - Only 16 GaN devices are needed at the 54V output to achieve the same conduction losses as 32 silicon MOSFETs, doubling power density and reducing drive losses by 90% [2] - The use of GaN materials in the low-voltage conversion stage of 800 VDC can lower switching losses by 70% while increasing power output by 40% within the same volume [2] Group 2: Market Position and Reliability - As the only full-stack GaN supplier and leading GaN IDM company, InnoSwitch is capable of mass-producing GaN from 1200V to 15V, providing a complete solution from 800V to 1V [4] - InnoSwitch's third-generation devices have passed rigorous accelerated stress tests, ensuring high-performance longevity of over 20 years for data center applications [4] - The integration of the 800 VDC power architecture with InnoSwitch's GaN technology will facilitate a transition from kilowatt to megawatt AI data centers, marking a new era of efficient, high-performance, reliable, and environmentally friendly AI computing [4]

Market Overview - The Hong Kong stock market indices collectively rose on August 4, with the Hang Seng Index increasing by 0.92% to close at 24,733.45 points, the Hang Seng Tech Index rising by 1.55%, and the Hang Seng China Enterprises Index up by 1.01% [1][2] - The total market turnover for the day was HKD 234.7 billion, with a rare net outflow of southbound funds amounting to HKD 18.092 billion. Year-to-date, as of August 1, southbound funds have accumulated a net inflow of HKD 879.049 billion into Hong Kong stocks [1][2] Semiconductor Sector - In the semiconductor sector, InnoCare Technologies saw a significant increase, closing at HKD 75.15 per share with a rise of 30.47% and a trading volume of HKD 4.733 billion. The company announced a partnership with NVIDIA to promote the large-scale implementation of an 800 VDC power architecture in AI data centers [6] - Other semiconductor stocks also performed well, with Hua Hong Semiconductor rising by 8.69% and SMIC increasing by 2.90% [7] Gold Sector - The gold sector experienced a notable surge, with Lao Pu Gold rising by 6.23% to close at HKD 733.00 per share, marking a year-to-date increase of 179.85%. The demand for gold as a safe-haven asset has been driven by international uncertainties [14] - Lao Pu Gold projected a revenue of RMB 12 billion to 12.5 billion for the first half of the year, representing a year-on-year growth of 241% to 255%, and a net profit of RMB 2.23 billion to 2.28 billion, up 279% to 288% [16] - Other gold stocks also saw positive performance, with Shandong Gold rising by 10.7% and Chifeng Gold increasing by 8.89% [16] Real Estate Market - In the real estate sector, the number of property sale agreements in Hong Kong for July 2025 was reported at 7,212, a decrease of 0.8% month-on-month but an increase of 37.1% year-on-year. The total value of these agreements was HKD 54.6 billion, down 17.8% month-on-month but up 28% year-on-year [17] - Residential property agreements accounted for 5,766 of the total, with a month-on-month decrease of 3.2% but a year-on-year increase of 54.9%. The total value of residential agreements was HKD 46.4 billion, down 24.1% month-on-month but up 29.9% year-on-year [17] Company-Specific Movements - Zhongke Biological experienced a dramatic increase of 47.76%, closing at HKD 0.99 per share. There are expectations that it may be included in certain indices, which could drive passive fund allocation [8][10] - Conversely, China New City saw a significant decline of 27.86%, partially reversing earlier gains, although it still recorded a year-to-date increase of 26.25% [11][13]

Market Overview - The Hong Kong stock market experienced a collective rise on August 4, with the Hang Seng Index increasing by 0.92% to close at 24,733.45 points, and the Hang Seng Technology Index rising by 1.55% [2][3] - The total market turnover for the day was HKD 234.7 billion, with a rare net outflow of southbound funds amounting to HKD 18.092 billion [2] Company Highlights - Lao Pu Gold saw a significant rebound, closing at HKD 733.00 per share, up 6.23%, with a year-to-date increase of 179.85% [10][12] - The company announced a positive earnings forecast, expecting revenue between RMB 12 billion to 12.5 billion, a year-on-year increase of 241% to 255%, and a net profit of RMB 2.23 billion to 2.28 billion, a growth of 279% to 288% [12] - Bank of America raised its adjusted net profit forecasts for Lao Pu Gold for the next two years by 11% and 6%, projecting revenues of RMB 13.8 billion for the second half of the year, a 178% increase year-on-year [12] - In the semiconductor sector, InnoTek surged by 30.47% to HKD 75.15 per share after announcing a partnership with NVIDIA [6] - Zhongke Biological experienced a dramatic increase of 47.76%, closing at HKD 0.99 per share, with speculation of potential index inclusion driving investor interest [8] Sector Performance - The gold sector performed well overall, with Shandong Gold rising by 10.7% and Chifeng Gold increasing by 8.89% [12] - The real estate market in Hong Kong showed mixed signals, with July's property transaction contracts totaling 7,212, a year-on-year increase of 37.1%, but a month-on-month decrease of 0.8% [13]

Group 1 - The Hang Seng Tech Index increased by 1.55% [1] - Semiconductor stocks led the gains, with InnoPhase rising approximately 30% after announcing a partnership with NVIDIA to promote the large-scale implementation of 800 VDC power architecture in AI data centers [1] - Hua Hong Semiconductor rose about 9%, while SMIC increased by approximately 3% [1] Group 2 - Southbound funds recorded a net sell-off of approximately 18.1 billion, marking the largest single-day net sell since May 12 [1]

【恒生指数收盘涨0.92%，南向资金净卖出约181亿元】恒生科技指数涨1.55%。半导体股涨幅居前，英 诺赛科涨约30%，公司宣布与英伟达达成合作，联合推动800 VDC电源架构在AI数据中心的规模化落 地；华虹半导体涨约9%，中芯国际涨约3%。南向资金净卖出约181亿元，创5月12日以来最大单日净卖 出。 ...

继上周五收涨近31%后，英诺赛科(2577.HK)今日继续上涨，午后涨幅进一步扩大至超27%，报73.55港元，再创历史新高，截至目前成交额放大至近30亿 港元。 消息面上，公司宣布，已于近日与英伟达达成合作，联合推动800 VDC(800伏直流)电源架构在AI数据中心的规模化落地。该架构是英伟达针对未来高效 供电兆瓦级计算基础设施而专门设计的新一代电源系统，相比传统54V电源，在系统效率、热损耗和可靠性方面具有显著优势，可支持AI算力100-1000倍 的提升。 ...