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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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25 Eggs Manual Incubator 220VAC
- Compact 25-egg capacity incubator ideal for small-scale poultry hatching operations
- Manual egg turning system for user-controlled incubation management
- 220VAC power supply with efficient heating and digital temperature display
- Transparent observation cover for easy monitoring without temperature disruption
- Compatible with chicken, duck, quail, pigeon, and other poultry eggs
- Perfect for home farms, educational projects, and beginner poultry keepers
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- High-speed performance delivering 10,000-20,000+ RPM depending on voltage input
- Operates on wide voltage range from 3V to 6V, with some variants up to 12V
- Small form factor ideal for portable devices and DIY electronics projects
- Low power consumption optimized for battery-operated applications
- Simple speed control through voltage variation with brushed DC mechanism
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– ATMEGA16 microcontroller based 8-bit AVR RISC platform
– Built-in ISP (In-System Programming) interface for easy firmware uploads
– Multiple digital I/O ports with full MCU pin access via headers
– Stable 5V DC power supply with onboard reset switch and power LED
– Compatible with AVR Studio, Atmel Studio, and Arduino IDE (with modifications)
– Compact, durable design ideal for prototyping, learning, and testingSKU: n/a -
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KY-040 360 Degrees Rotary Encoder Module
– 360-degree continuous rotation detection for accurate position feedback
– High-resolution digital pulse output for precise control
– Built-in push button for extra input functionality
– Easy Arduino compatibility with simple 5-pin wiring (VCC, GND, CLK, DT, SW)
– Low current consumption (max 10mA) and durable construction for long-term use
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BNC to Red and Black Alligator Clip Test Lead Cable
- BNC Male to Alligator Clips: Professional test lead cable with BNC connector on one end and red/black alligator clips on the other
- Color-Coded Design: Red and black clips for easy polarity identification during testing and measurements
- Versatile Test Equipment: Compatible with oscilloscopes, signal generators, RF equipment, and laboratory instruments
- Strong Secure Connection: Durable alligator clips provide firm grip on wires, terminals, and electronic components
- High-Quality Construction: Insulated cable design ensures safe and reliable electrical connections for professional testing
- Quick Testing Solution: Ideal for circuit debugging, signal measurement, and temporary connections without soldering
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ACS712 Hall Effect Current Sensor Module 5A
– Measures AC and DC currents up to ±5A
– Based on the ACS712 Hall effect IC
– Analog output proportional to current (185 mV/A)
– Galvanic isolation for safe, accurate readings
– Compatible with Arduino, ESP32, STM32, Raspberry Pi
– Compact PCB for quick prototyping, operating at 5V DCSKU: n/a

















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