radxa-docs · akgnah · May 20, 2024 · May 20, 2024 · May 20, 2024
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+# 瑞莎 6540B 散热器
+
+瑞莎 6540B 散热器是一款专门用于 ROCK 5C 的散热器，长60mm，宽40mm，高12mm。
+
+## 物理规格
+
+
+- 材质：铝
+- 尺寸：60 x 40 x 12 毫米
+- 速度：7000rpm ± 10%
+- 连接座子： 2-Pin 1.25mm 间距
+- 输入电压：5V
+
+![Heatsink 6540B](/img/accessories/heatsink-6540b-01.webp)
+
+## 安装说明
+
+- 首先，**撕下导热硅胶片上的塑料保护膜**。
+
+![Heatsink 6540B](/img/accessories/heatsink-6540b-02.webp)
+
+- 接着，将导热硅胶片精确贴合到 SoC 的位置，具体步骤如图所示。
+
+![Heatsink 6540B](/img/accessories/heatsink-6540b-03.webp)
+
+- 然后，将风扇接口准确无误地接入 ROCK 5C 的风扇连接座子上，如图所示。
+
+![Heatsink 6540B](/img/accessories/heatsink-6540b-04.webp)
+
+- 最后，将散热器对准 ROCK 5 C的散热孔位，并轻轻按压散热器两侧的塑料卡扣以确保稳固，完成后的效果如图所示。
+
+![Heatsink 6540B](/img/accessories/heatsink-6540b-05.webp)
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-# 2-Pin RTC Battery
+# Radxa 2-Pin RTC Battery
 
 Most Radxa Single Board Computers support RTC function, to keep the RTC time after shutdown, RTC battery is required. The RTC battery for Radxa SBC is as below:
 

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 # Accessories

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-# eMMC Module
+# Radxa eMMC Module
 
 Radxa eMMC Module uses the eMMC 5.1 specification and offers four capacity options: 16G / 32G / 64G / 128G. At the same time, you can choose models that support industrial-grade long life. In addition, this module supports JEDEC's standard eMMC command set and is designed for high-speed read and write, making data transfer faster.
 

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-# Heatsink 4012 for ROCK 5B
+# Radxa Heatsink 4012
+
+Radxa Heatsink 4012 is a radiator for ROCK 5B / ROCK 3B with a length of 40mm, a width of 40mm and a height of 12mm.
 
-Radxa Heatsink 4012 is a radiator for ROCK 5B with a length of 40mm, a width of 40mm and a height of 12mm.
 ![Heatsink 4012](/img/accessories/heatsink-4012-1.webp)
 
 ## Physical specifications

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+# Radxa Heatsink 6540B
+
+The Radxa Heatsink 6540B is a specially designed for the ROCK 5C, measuring 60mm long, 40mm wide and 12mm high.
+
+## Spec
+
+- Material: Aluminum
+- Dimensions: 60 x 40 x 12 mm
+- Speed: 7000rpm ± 10%
+- Connector: 2-Pin 1.25mm Pitch Connector
+- Input voltage: 5V
+
+![Heatsink 6540B](/img/accessories/heatsink-6540b-01.webp)
+
+## Installation Guide
+
+- First, remove the plastic protective film from the thermal silicone pad.
+
+![Heatsink 6540B](/img/accessories/heatsink-6540b-02.webp)
+
+- Next, precisely align and adhere the thermal silicone pad to the SoC position as shown in the image.
+
+![Heatsink 6540B](/img/accessories/heatsink-6540b-03.webp)
+
+- Then, accurately connect the fan connector to the fan socket on the ROCK 5C as illustrated.
+
+![Heatsink 6540B](/img/accessories/heatsink-6540b-04.webp)
+
+- Finally, align the heatsink with the heatsink hole position on the ROCK 5C and gently press the plastic clips on both sides of the heatsink to ensure a secure fit. The completed installation should look like the image below.
+
+![Heatsink 6540B](/img/accessories/heatsink-6540b-05.webp)
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-# Radxa 23W PoE
+# Radxa 23W PoE HAT
 
 ![Radxa 23W PoE HAT](/img/accessories/poe-hat/23w-poe.webp)
 

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-# Radxa 25W PoE HAT
+# Radxa 25W PoE+ HAT
 
 The Radxa 25W PoE HAT provides boot over Power over Ethernet support for compatible Radxa SBCs.