--- 格式版本: 2 标题: "Power shelf for NVIDIA Vera Rubin NVL72 | Flex" 原文链接: "https://flex.com/resources/power-shelf-for-nvidia-vera-rubin-nvl72" 发布日期: "2026-06-01" 发布时间校准状态: "found" 发布时间来源: "llm:strict_local_body" 发布时间证据: "Posted on June 1, 2026" 发布时间校准原因: "候选日期位于标题下方，明确标注为文章发布时间，符合发布日期的特征。" 发布时间校准置信度: "100" 发布时间候选数量: 2 发布时间严格候选数量: 1 发布时间原页读取状态: "原页面已读取" 发布时间未找到原因: "存在日期片段但缺少发布时间语义或 LLM 未确认" 发布时间校准时间: "2026-07-19T17:45:22+08:00" 发现时间: "2026-06-16T05:52:19+08:00" 入库时间: "2026-07-19T09:45:53.915Z" 来源平台: "SerpApi Google" 搜索渠道: "serpapi" 搜索词: "powershelf" 匹配关键词: - "NVL72" 相关厂家: - "NVIDIA" 相关专家: [] 内容类型: "网页" 抓取工具: "XCrawl Scrape" 清洗工具: "XCrawl Markdown + LLM 正文裁剪（重试成功）" 原始附件: [] AI优质: "是" AI打分: 95 AI分档: "高置信优质" AI质检状态: "通过" AI打分理由: "直接针对NVIDIA Vera Rubin NVL72的Power shelf产品页，规格参数详尽，来源官方，时效新，商业信号明确，技术细节丰富。" AI质检模型: "ali-deepseek-v4-flash" AI质检时间: "2026-07-22T16:16:56+08:00" AI主题相关性: 20 AI来源权威性: 15 AI新颖性: 18 AI技术细节: 20 AI商业部署信号: 12 AI完整性: 10 采集批次: "2026年6月16日5点51分52秒" 采集批次ID: "20260616-055152-818" 去重键: "https://flex.com/resources/power-shelf-for-nvidia-vera-rubin-nvl72" --- # Power shelf for NVIDIA Vera Rubin NVL72 Posted on June 1, 2026 Datasheet [Data Center Power](https://flex.com/industries/data-center?subcategories=data-center-power#resources) ## Powering next-generation AI infrastructure with 110 kW DC power delivery Flex's 110 kW 3RU MGX power shelf for [NVIDIA Vera Rubin NVL72](https://www.nvidia.com/en-us/data-center/vera-rubin-nvl72/) (or equivalent) is designed for the most demanding GPU workloads. Supporting up to six hot-pluggable 18.4 kW power supply units (PSUs) and one power supply controller (PSC), the shelf delivers up to 110 kW of DC output power to all rack-level payloads through a 52 V DC-DC bus architecture, operating with a three-phase AC input range of 346 VAC to 480 VAC. ### Main features * Hot-pluggable PSUs and PSC for simplified servicing and zero-downtime maintenance * Telemetry and monitoring available through Redfish for real-time visibility into shelf and PSU health * Current sharing capability across multiple shelves with two rear-side RJ45 connectors enabling synchronized power-up and active current sharing ![Power shelf for NVIDIA Vera Rubin NVL72](https://flex.com/wp-content/uploads/2026/05/Power-shelf-for-NVIDIA-Vera-Rubin-NVL72.png) * Bootloader support for field firmware upgrades of both PSC and PSUs, upgradable online by the system * Front-to-back airflow with internally controlled variable-speed fans * Power pulsation buffer device (>1200J energy storage) ensures sinusoidal AC input current under dynamic and EDPP loading conditions * Titanium+ efficiency at 400 VAC, 415 VAC, and 480 VAC (measured with fans) * UL/IEC62368-1 safety certified ### Applications #### AI servers NVIDIA Vera Rubin NVL72 and equivalent #### Hyperscale cloud services #### High-performance computing (HPC) infrastructure ### Components ![3RU Power Shelf](https://flex.com/wp-content/uploads/2026/06/3RU-power-shelf.png) **3RU power shelf** 110 kW shelf housing 6 PSU slots and 1 PSC slot, with 2 AC power cords, 3 BZlisa850s DC output connectors, and 2 rear RJ45 modules ![18.4kw PSU](https://flex.com/wp-content/uploads/2026/06/18.4kw-PSU.png) **18.4 kW PSU** Flex 3RU NVIDIA MGX™ power supply unit with true three-phase AC input (L1, L2, L3, PE), 52V output, and integrated power pulsation buffer for EDPP scenarios ![PSC Module](https://flex.com/wp-content/uploads/2026/06/PSC-module.png) **PSC module** 1RU EIA hot-pluggable power supply controller with 1Gb Ethernet RJ45 (PoE PD), Redfish management, PLDM firmware update, and ASPEED AST2620A3 controller ### Specifications | Parameter | Specifications | |---|---| | Part number | [NVD-R-11E4ADT00-101](https://flex.com/downloads/power-shelf-for-nvidia-vera-rubin-nvl72-datasheet) | | Configuration | 6× 18.4kW PSUs + 1× 3RU power shelf + 1× PSC | | Output power maximum | 110 kW | | Output voltage | 52V @ full load | | Output current | 354A | | Input voltage range | AC input: 346 VAC to 480 VAC (L-L), 3-phase | | Frequency | 47 Hz to 63 Hz | | Power factor | >0.99 at full load | | Dynamic loading | Supports 10% to 150% pulse power loading | | Hold-up time | >20ms at full load | | Efficiency | Titanium+ (ErP+ with PSU fans) | | Cooling | Front-to-back airflow, variable-speed fans | | Dimensions (L × W × H) | 876.2 × 438 × 131.4mm | | Safety | UL/IEC62368-1 | | EMC standards | EN55032 Class A, FCC part 15 Class A | | Communication | I²C (400kHz), Redfish via PSC | | Operating temperature | −5°C to 40°C | | Input connectors | BIZLINK: 117G0-167591-R1 | | Output connectors | BIZLINK: 117G0-169002-R1 AMPHENOL: 10179666-HX002LFC | [ Download the Flex power shelf for NVIDIA Vera Rubin NVL72 datasheet ](https://flex.com/downloads/power-shelf-for-nvidia-vera-rubin-nvl72-datasheet "Download the Flex power shelf for NVIDIA Vera Rubin NVL72 datasheet")