Brocade G620 是一款面向企业存储网络的 Gen 6 Fibre Channel（FC）交换机，采用 1U 机架设计。它提供 48 个 SFP+ 端口和 4 个 QSFP 端口；Broadcom 称通过 Ports on Demand（PoD）可从 24 个扩展到 64 个设备端口。实际可用端口数取决于设备配置和已启用许可证，购买前应核实具体型号、授权和支持状态。
Brocade G620 是什么，适合哪些环境？
G620 用于连接服务器与存储设备，构建企业级 FC SAN，可面向虚拟化工作负载、闪存存储以及 NVMe over Fibre Channel 环境。Broadcom 在 2024 年产品简介中称其为“NVMe-ready”；这属于厂商对产品能力的描述，不是独立性能验证。IBM 产品矩阵将其交叉对应到 IBM Storage Networking SAN64B-6，机器类型为 8960 F64 和 N64。购买 OEM 或二手设备时，需确认标签上的实际厂商与型号，因为品牌和支持渠道可能不同。
端口数量、速率与授权怎么理解？
物理端口布局
交换机有 48 个 SFP+ 端口和 4 个 QSFP 端口。Broadcom 2024 年产品简介列出的设备端口扩展范围为 24 至 64 个，使用 PoD 授权实现。物理接口数量不等于已启用设备端口数：一台具体设备可能只启用了部分端口，且 QSFP 端口的连接方式会影响端口计数。下单时应取得该序列号对应的许可证清单，并明确报价包含哪些授权。
连接速率与 QSFP 用途
Lenovo 技术规格列出 SFP+ 端口支持 10、16 或 32 Gbps。每个 QSFP 端口可提供四路 16 Gbps 或四路 32 Gbps 连接，规格将 QSFP 端口描述为 E_Port 或 EX_Port。E_Port 用于交换机间连接；EX_Port 常用于连接到其他 Fabric 的路由场景。应根据计划的拓扑、对端设备和固件配置确认端口角色及速率协商，不能只凭接口外形判断用途。
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- Read Before You Buy — No Video Output: These adapters support charging and USB 2.0 data transfer, but cannot transmit video signals. Except for standard USB webcams (which use USB data only), they are not compatible with HDMI/DisplayPort cables, video-capable USB-C hubs, or docking stations with video output.
- Convert USB-A Ports to USB-C: Designed to connect USB-C earphones, cables, flash drives, card readers, and other USB-C accessories to standard USB-A ports. Plug-and-play with no drivers or software required.
- Aluminum Alloy Housing: Built with a sturdy aluminum alloy shell that aids in heat dissipation and protects against daily wear and scratches. Designed to maintain a stable and secure connection.
- Compact & Travel-Friendly: The ultra-compact design allows the adapter to stay plugged into your device without blocking adjacent ports or adding bulk, reducing wear and tear on your original USB ports.
- 12-Month Warranty: Backed by a 12-month manufacturer warranty for peace of mind. Designed to meet strict quality control standards for reliable everyday performance.
厂商性能数据说明了什么？
Broadcom 2024 年产品简介给出的数据包括最高 2 Tb/s 聚合吞吐量、最高 1 亿 IOPS、每秒最多交换 5.66 亿帧，以及在 32G 下、包括 FEC 的端口到端口延迟低于 780 ns。这些是厂商公布的规格，不是本次评测获得的独立基准测试结果。聚合吞吐、IOPS 和帧率分别描述不同层面的能力，不能直接代替具体 SAN 环境中的应用响应时间或端到端吞吐表现。
StorageReview 在 2019 年评测中列出的延迟为低于 900 ns，但测试条件是无争用且目标端口空闲。它与 Broadcom 所列数字的测试条件并未被证实相同，因此不宜将两者当成可直接对比的胜负结果。部署表现还受端点、链路、流量模式和配置影响。
Rank #2
- 5-in-1 USB-C Hub: Experience comprehensive connectivity featuring a Power Delivery input, two USB-A 2.0 ports, a USB-A 3.0 port, and an HDMI port. (Note: The USB-C power delivery input port is only for connecting an external wall charger to power your laptop and cannot power peripheral devices.)
- 90W Pass-Through Charging: Achieve optimal charging with 90W pass-through power to your laptop, supported by a total input of 100W, with the hub reserving 10W for operational efficiency. (Note: Wall charger not included.)
- Quick Data Transfers: Accelerate your productivity with rapid data transfers using a high-speed 5Gbps USB 3.0 port and two 480Mbps USB 2.0 ports.
- 4K HDMI Display: Enhance your visual experience with a hub capable of delivering 4K resolution at 30Hz in both mirror and extend modes. Please note that this hub is compatible with MacBook (macOS 12 and newer), Windows 10 and 11, ChromeOS, and laptops equipped with DP Alt Mode and Power Delivery. Note: This device is not compatible with Linux.
- What You Get: Anker USB-C Hub (5-in-1, 4K HDMI), welcome guide, 18-month warranty, and our friendly customer service.
监控与诊断功能有哪些？
Broadcom 产品简介将 Fabric Vision、IO Insight 和 VM Insight 列为相关能力，分别面向 Fabric 可视化、存储 I/O 延迟与性能洞察，以及虚拟机相关可视化。它们可以帮助运维人员观察和诊断存储网络，但功能描述本身不能证明特定环境一定能降低延迟或排除故障。采购前应确认所需功能的授权条件、管理方式，以及与现有监控流程的适配情况。
功耗、光纤距离和机柜规划
Lenovo 技术规格在其列明的配置假设下给出以下功耗。文件未注明发布日期，因此这些数值应视作该规格文件所述配置的数据，而非对任意设备配置的保证。
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- Sleek 7-in-1 USB-C Hub: Features an HDMI port, two USB-A 3.0 ports, and a USB-C data port, each providing 5Gbps transfer speeds. It also includes a USB-C PD input port for charging up to 100W and dual SD and TF card slots, all in a compact design.
- Flawless 4K@60Hz Video with HDMI: Delivers exceptional clarity and smoothness with its 4K@60Hz HDMI port, making it ideal for high-definition presentations and entertainment. (Note: Only the HDMI port supports video projection; the USB-C port is for data transfer only.)
- Double Up on Efficiency: The two USB-A 3.0 ports and a USB-C port support a fast 5Gbps data rate, significantly boosting your transfer speeds and improving productivity.
- Fast and Reliable 85W Charging: Offers high-capacity, speedy charging for laptops up to 85W, so you spend less time tethered to an outlet and more time being productive.
- What You Get: Anker USB-C Hub (7-in-1), welcome guide, 18-month warranty, and our friendly customer service.
| 状态 | 100 VAC | 200 VAC |
|---|---|---|
| 典型功耗 | 192 W | 190 W |
| 最大配置功耗 | 204 W | 202 W |
| 空闲功耗 | 155 W | 154 W |
规划电源回路、机柜散热和冗余供电时，应以实际配置及现场电气条件为准。Lenovo 表格列出 32 Gbps 链路在 OM4 多模光纤上最长 100 m、在 9 微米单模光纤上最长 10 km；距离上限不能脱离光模块、线缆和链路条件使用。需按计划路径核对光模块型号、光纤类型及固件对应的兼容性。
购买或部署前的核查清单
- 设备身份与状态：确认 G620 的具体变体、OEM 品牌、卖家所述成色以及电源和风扇是否齐备。
- 端口授权：核对设备序列号对应的 PoD 许可证、已启用端口数及扩容所需授权，避免按物理接口数量估算可用端口。
- 光模块与链路：根据官方收发器支持矩阵，核对目标固件和配置支持的准确部件号，再匹配光纤类型与所需距离。
- Fabric 兼容性：确认对端速率、端口角色、拓扑和现有 SAN 配置能否互通。
- 固件与支持：确认固件获取渠道、保修及支持资格。Broadcom 产品页在 2026 年 10 月 7 日列示生命周期状态为 Active，但页面状态不等于某一台二手、翻新或 OEM 设备必然享有支持权益。
- 总采购成本：让供应商按准确配置和所在地报价，列明授权、光模块、线缆、运费及支持服务；现有资料没有确立当前价格或总拥有成本。
评测结论
G620 的主要特点是高密度 FC 端口、最高 32 Gbps 的 SFP+ 连接选项，以及面向企业存储 Fabric 的管理与监控能力。它是否适合某个项目，关键不只在规格表上的 48 个 SFP+ 和 4 个 QSFP 接口，还在于实际启用的端口、PoD 授权、兼容光模块、链路距离以及可获得的固件和支持。本文依据厂商规格和 StorageReview 2019 年评测整理，并非实际部署或独立实验室测试。
Quick Recap
Best Value
- 5-in-1 Connectivity: Equipped with a 4K HDMI port, a 5 Gbps USB-C data port, two 5 Gbps USB-A ports, and a USB C 100W PD-IN port. Note: The USB C 100W PD-IN port supports only charging and does not support data transfer devices such as headphones or speakers.
- Powerful Pass-Through Charging: Supports up to 85W pass-through charging so you can power up your laptop while you use the hub. Note: Pass-through charging requires a charger (not included). Note: To achieve full power for iPad, we recommend using a 45W wall charger.
- Transfer Files in Seconds: Move files to and from your laptop at speeds of up to 5 Gbps via the USB-C and USB-A data ports. Note: The USB C 5Gbps Data port does not support video output.
- HD Display: Connect to the HDMI port to stream or mirror content to an external monitor in resolutions of up to 4K@30Hz. Note: The USB-C ports do not support video output.
- What You Get: Anker 332 USB-C Hub (5-in-1), welcome guide, our worry-free 18-month warranty, and friendly customer service.
Rank #4
- Dual Converters, Infinite Potential：Includes 2× USB C male to USB A female adapters and 2× USB A male to USB C female adapters. Perfect for a wide range of uses—tablets with Bluetooth keyboards, expand USB ports on macbook, and more. Two different converters for all your daily needs
- Next-Level 10Gbps & 3A Charging: No more slow 480Mbps, this usb to usb c adapter has a transfer speed of up to 10Gbps, allowing you to do more transferring in less time. This usb adapter fits both USB A and USB C charger, supporting up to 3A fast charging
- Upgraded Exquisite Craftsmanship: With an aluminum alloy housing and metal connector, the usbc to usb adapter is extremely durable and sturdy. Rigorously tested to withstand more than 10,000 times of plugging and unplugging, ensuring long-lasting performance
- Broad Compatible: The usb c to usb adapter widely supports all USB C/ USB A devices like laptops, tablets, cellphones, car chargers, and phone chargers. Such as compatible with MacBook Pro/Air 2023/2022, Thunderbolt 4/3 Devices,Apple MagSafe Watch 9/8/7/SE/Ultra, iPad Pro 2022/2021, Samsung Galaxy S23/S20/S10, and iPhone 17/16/15 Pro. Plug and play
- Please Note: To reach 10Gbps speed, keep the cable under 3.3 ft. For USB A Male to USB C adapters, try flipping the USB C connector. USB C Male to USB A adapters support bidirectional 10Gbps transfer within 3.3 ft
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