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Accessories, Boards, Modules and Accessories
Raspberry Pi 4 Heatsink
– Compact passive heatsink kit designed specifically for Raspberry Pi 4 Model B
– Solid anodized aluminum for efficient heat transfer and durability
– 3-piece set covers CPU, RAM, and USB/power chip
– Pre-applied thermal adhesive for quick, secure installation
– Silent, maintenance-free cooling to reduce thermal throttling
– Low-profile design works with or without a case; ideal for overclocking and media centersSKU: n/a -
Boards and Programmers, Boards, Modules and Accessories
Raspberry Pi 4 Model B 8GB RAM Development Board
Boards and Programmers, Boards, Modules and AccessoriesRaspberry Pi 4 Model B 8GB RAM Development Board
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– High performance 64-bit quad-core ARM Cortex-A72 CPU at 1.5 GHz
– 8GB LPDDR4-3200 SDRAM for heavy multitasking and complex applications
– Dual-band Wi-Fi (2.4/5GHz), Gigabit Ethernet, and Bluetooth 5.0
– Dual micro-HDMI with 4K support plus H.265 and H.264 video decoding
– Expandable storage via microSD and two USB 3.0 + two USB 2.0 ports
– 40-pin GPIO header, camera and display interfaces for hardware projectsSKU: n/a
Raspberry Pi 4 Heatsink
In stock
– Compact passive heatsink kit designed specifically for Raspberry Pi 4 Model B
– Solid anodized aluminum for efficient heat transfer and durability
– 3-piece set covers CPU, RAM, and USB/power chip
– Pre-applied thermal adhesive for quick, secure installation
– Silent, maintenance-free cooling to reduce thermal throttling
– Low-profile design works with or without a case; ideal for overclocking and media centers
₨ 200 ₨ 250
In stock
Raspberry Pi 4 Heatsink: Quiet, Efficient Cooling for Demanding Projects
The Raspberry Pi 4 heatsink is a precision-crafted passive cooling solution that helps keep your Raspberry Pi 4 Model B running cooler and more reliably under load. Built from solid anodized aluminum, this compact heatsink set improves heat transfer from the CPU, RAM, and power/USB chip without adding noise or moving parts.
Why Choose This Raspberry Pi 4 Cooling Solution
- Passive cooling means silent operation and zero maintenance.
- Premium aluminum construction for fast, efficient heat dissipation.
- Helps prevent thermal throttling so your Pi runs at peak performance longer.
- Low-profile design preserves compatibility with many cases and enclosures.
Key Features
- High-quality solid anodized aluminum heatsink set designed for Raspberry Pi 4 thermal management
- Precision-cut pieces matched to the Pi 4 chip layout for optimal contact
- 3-piece kit covering CPU, RAM, and USB/power chip
- Durable thermal adhesive pre-applied for fast installation
- Fanless, maintenance-free cooling option that reduces noise and power draw
- Works well with or without a case; suitable for compact and embedded projects
Specifications
- Material: Solid anodized aluminum
- Color: Black or Silver (based on availability)
- Number of Pieces: 3-piece kit (CPU, RAM, USB/power chip)
- Mounting: Thermal adhesive pre-applied
- Compatibility: Only for Raspberry Pi 4 Model B
- Dimensions: Precision matched to Pi 4 chip layout
Compatibility and Installation
This heatsink kit is made specifically for the Raspberry Pi 4 Model B. Installation is simple: clean the chip surfaces, peel the protective film from the pre-applied adhesive, and press each heatsink into place. Allow a few minutes for the adhesive to set before powering the board.
Use Cases
- Everyday computing and desktop-style Raspberry Pi 4 setups
- Long-term Raspberry Pi 4 temperature control for always-on projects
- Overclocked Raspberry Pi configurations that need extra cooling headroom
- Quiet cooling for Raspberry Pi 4 servers, media centers, and home labs
- IoT devices, dashboards, and development boards working under load
Benefits
- Reduced CPU and GPU temperatures for improved stability
- Lower risk of thermal throttling during heavy workloads
- Silent operation with no moving parts and no fan noise
- Professional, low-profile look that keeps your Pi compact
Care and Maintenance
Because this is a passive heatsink with adhesive mounting, little maintenance is required. Check occasionally for dust buildup inside your case and clean with compressed air as needed. Reapply adhesive or replace pieces only if they become detached.
Why Buy from Colgroad
Colgroad delivers high-quality Raspberry Pi accessories across Pakistan. We select products for durability, compatibility, and performance, and provide fast shipping and expert support. Boost your Pi’s performance and stability with components chosen to last.
Order Your Raspberry Pi 4 Heatsink Today
Upgrade to reliable, quiet cooling and protect your Raspberry Pi 4 from overheating and thermal throttling. Order your Raspberry Pi 4 heatsink kit from Colgroad Pakistan and enjoy better performance for media centers, servers, and development projects.
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Vendor Information
- Store Name: College Road Electronics
- Vendor: College Road Electronics
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Address:
Microwave Electronics, Basement Azhar Shaheed Plaza, DAV College Road
Rawalpindi
Punjab
46000 - 4.81 rating from 575 reviews
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Buck, Boost Converters and Regulators
1200W 20A DC Converter Boost Step-up Power Supply Module in 8-60V Out 12-83V with Heat Sink 12V to 24V 48V
Buck, Boost Converters and Regulators1200W 20A DC Converter Boost Step-up Power Supply Module in 8-60V Out 12-83V with Heat Sink 12V to 24V 48V
• High-performance 1200W 20A DC-DC step-up boost converter module with large heat sink
• Wide input voltage range: 8V to 60V DC with adjustable output: 12V to 83V DC
• High power output up to 1200W with 20A current capability (with proper cooling)
• Built-in large heat sink with cooling fan support for stable operation under heavy loads
• High conversion efficiency up to 94% for industrial, automotive, solar, and DIY projects
• Ideal for solar power systems, electric vehicles, LED drivers, and motor applications
• Includes overcurrent and thermal protection for safe, reliable continuous operationSKU: n/a -
Boards, Modules and Accessories, Sensors And Modules
DFPlayer Mini MP3 Player Module
– Compact DFPlayer Mini MP3 module for Arduino, ESP32 and Raspberry Pi projects
– Plays MP3, WAV and WMA files from microSD/TF cards up to 32GB (FAT16/FAT32)
– Built-in amplifier for direct connection to 4Ω or 8Ω speakers
– Operates standalone or under UART serial control with simple DFPlayer Mini pinout
– 30-step digital volume control, onboard LED and low power consumption for portable builds
– Wide voltage range 3.2V to 5V for easy integration with microcontrollersSKU: n/a -
Integrated Circuits (ICs)
7402 Quad 2-Input NOR Gate IC (DIP)
- Quad 2-input NOR gate IC (4 independent gates per chip)
- TTL 74xx family device for reliable, high-speed logic operation
- Operates from 4.75V to 5.25V (typical 5V supply)
- Standard 14-pin DIP package, breadboard and PCB friendly
- Universal logic gate — can implement AND, OR, NOT, NAND, XOR, XNOR
- Ideal for students, hobbyists, engineers, and lab prototyping
SKU: n/a -
Boards, Modules and Accessories, Accessories
2-Pin On/Off Rocker Switch (Big)
– SPST 2-pin rocker switch for simple ON/OFF control
– Large rocker actuator for easy, tactile operation
– Snap-in panel mount for fast, secure installation
– Durable plastic body with metal contacts for long life
– Suitable for high-load, low-voltage applications
– Ideal for DIY projects, appliances, automotive and control panelsSKU: n/a -
Accessories
Mini Round Shape Speaker 8Ω 1W
- Compact 8Ω, 1W speaker delivers clear audio for low-power projects
- Small round form factor fits into tight spaces and portable builds
- Lightweight and easy to mount — ideal for prototypes and enclosures
- Compatible with Arduino, Raspberry Pi, ESP and other microcontrollers
- Perfect for toys, alarms, voice modules and sound-effect projects
- Reliable performance for notification and voice-output applications
SKU: n/a -
Boards, Modules and Accessories, Wireless Communication
HC-05 Bluetooth Module HC05 HC 05
- Reliable two-way serial (UART) Bluetooth communication for Arduino and microcontrollers
- Supports Master and Slave modes for flexible device roles
- Built-in AT command mode for easy configuration and renaming
- Default baud rate 9600, operates at 3.3V to 6V with 3.3V TTL interface
- Up to 10 meters line-of-sight range with onboard LED status indicators
- Easy pairing with Android, Windows, laptops, and smartphones
SKU: n/a














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