RAM Memory Modules Supplier

4GB 8GB 16GB 2400MHZ memory desktop ram DDR4 ram

Memory RAM DDR4 4GB For Laptop

  • Order(MOQ):

  • Product Origin:

  • Color:

  • Lead Time:

  • Product Detail

Memory RAM DDR4 4GB For Laptop


Brand Name:GM/OEM







Place of origin:Guangdong,China

Joinwin RAM

Joinwin RAM is a stand-alone pSRAM based volatile memory that offers you an easy and inexpensive way to add more RAM to your applications. These low-power devices have high performance and low pin-count, making them ideal for applications requiring external RAM for buffering data, audio, images, video or as a scratchpad for math and data-intensive operations. These devices are available from 64 Mbit up to 512 Mbit in density.


Enables you to quickly and easily select compatible RAM memory for desktop, laptop or server. All products are 100% tested and enjoy lifelong warranty and more than 20 years of design and manufacturing expertise.

Improve performance

If your system is running slowly, or your programs are unresponsive or unable to load, your memory capacity may be insufficient. You may see some subtle signs, such as inefficiency in daily tasks or receiving a "out of memory" message.
Add reliable memory to boost your productivity: faster page loading, simpler and faster start-up of new applications.


Devices are able to achieve high bandwidth compared to traditional parallel expansion memories via the Interface. The interface utilizes a high-speed 8-bit DDR interface for both address and data along with a differential clock, a read/write latch signal, and a chip select.


Q: Is Joinwin a manufacturer or a trading company?
A:We are a 11 years' manufacturer and 7 years' golden supplie, Global sources. we sell both overseas and also in local market.

Q: Can you send us samples to test (2 units)? let me know the charge. 
A: Sample order is welcomed for testing first. but need charge sample cost. price will be $2 higer per pc.

Q:Can you quote us your FOB price?
A:Our price is EX-Work price. which donot include shipping cost.

Q:Can you inform us your guarantee terms and RMA deal procedure?
A: Our ram enjoy lifetime warranty, which will be clearly marked on PI. The RMA/ defective rate is less than 1%, if it has problem, you can send back to us, we will repair or replace for you.

If your memory fails, please rest assured that you can provide everything you need according to our lifetime warranty to help you restart and run the system.

In some cases, memory modules of the same capacity must be installed in pairs to optimize the performance of your system. Use our memory finder to search memory for your system by name and model. We will provide detailed information on the optimal memory configuration to maximize the performance of your system.

Premium customer service: Fast response within 24hours.
The best after-sale service: We offer our clients the best after-sales service.
Faithful, responsible, honest and sincerce to our client. Keep our promise.

Leave A Message
If you are interested in our products and want to know more details,please leave a message here,we will reply you as soon as we can.
Related Products

click here to leave a message

Leave A Message
If you are interested in our products and want to know more details,please leave a message here,we will reply you as soon as we can.