SKU: 50986947186

AddOn 16GB DDR4 UDIMM — Compatible with Lenovo 4X70R38788

Sale price$92.68 Regular price$102.98
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Description

AddOn 16GB DDR4 UDIMM — Compatible with Lenovo 4X70R38788Upgrade your Lenovo system with the AddOn 16GB DDR4 SDRAM Memory Module and unlock a new level of speed, responsiveness, and multitasking capability. This high performance memory upgrade is engineered for seamless compatibility with Lenovo laptops and desktops, delivering an immediate boost to everyday tasks such as web browsing, document editing, media creation, and data intensive workloads. Whether youre juggling multiple apps, running virtual

Upgrade your Lenovo system with the AddOn 16GB DDR4 SDRAM Memory Module and unlock a new level of speed, responsiveness, and multitasking capability. This high-performance memory upgrade is engineered for seamless compatibility with Lenovo laptops and desktops, delivering an immediate boost to everyday tasks such as web browsing, document editing, media creation, and data-intensive workloads. Whether you’re juggling multiple apps, running virtual machines, or tackling large spreadsheets, this 16GB DDR4 module helps your system handle more at once, reducing bottlenecks and accelerating time-to-result. Designed for reliability and durability, the AddOn memory module is built to exacting standards, ensuring stable performance under heavy workloads and extended usage. If you’re aiming to streamline your workflow, improve system responsiveness, and extend the life of your Lenovo device, this memory upgrade is the smart choice that fits your needs without compromising compatibility or reliability.

  • Lenovo-optimized compatibility: Precisely engineered to work with Lenovo systems, reducing compatibility concerns and providing a seamless upgrade path for both newer and older Lenovo laptops and desktops that support DDR4 memory.
  • Significant multitasking uplift: Adds a solid 16GB of memory to your system, empowering you to run more applications simultaneously, switch between demanding programs with ease, and accelerate heavy workloads without slowing down.
  • Faster, smoother performance: DDR4 SDRAM technology delivers improved data transfer rates and lower power consumption compared with previous generations, helping your device boot faster, launch apps quicker, and respond more responsively to every input.
  • Reliability you can trust: Built to stringent quality standards with tight tolerances and robust components, the AddOn memory module delivers consistent performance and long-term stability under diverse usage scenarios.
  • Simple upgrade experience: Designed for straightforward installation with plug-and-play compatibility, allowing you to upgrade in minutes with minimal downtime and no specialized tools.

Technical Details of AddOn 16GB DDR4 SDRAM Memory Module

  • Memory Type: DDR4 SDRAM
  • Capacity: 16GB
  • Module Configuration: 1 x 16GB
  • Compatibility: Lenovo systems
  • Module Design: Unbuffered DDR4 memory

How to Install AddOn 16GB DDR4 SDRAM Memory Module

  • Power down your Lenovo device completely and unplug it from any power source. If you’re using a laptop, remove the battery if possible following the manufacturer’s guidelines.
  • Prepare a clean, static-free workspace. Ground yourself to prevent electrostatic discharge before touching internal components.
  • Access the memory compartment. For laptops, typically remove the back panel or service door; for desktops, open the case and locate the memory slots on the motherboard.
  • If an existing memory module is installed and you have an available slot, you can add the AddOn 16GB module in an open slot. If upgrading by replacing, gently release the existing module from its slot by pressing the clips on each side until it pops up.
  • Align the notch on the memory module with the key in the memory slot and firmly but gently press down until the module seats into the slot and the clips click into place.
  • Reassemble the device, reconnect power, and power it on. Enter the system BIOS/UEFI if needed to confirm the new memory is recognized, or let the operating system automatically detect the upgrade during boot.
  • Verify the total installed memory in the operating system’s system information area and confirm that the full 16GB is available for use. Run a quick performance check or a memory diagnostic to ensure stability.

Frequently asked questions

  • Q: Is this memory compatible with all Lenovo laptops and desktops?
  • A: The AddOn 16GB DDR4 SDRAM Memory Module is designed for Lenovo systems and should be compatible with many models that support DDR4 memory upgrades. For exact compatibility, check your device’s official memory specifications or consult Lenovo’s documentation to confirm supported memory speeds, capacities, and form factors.
  • Q: What performance improvements can I expect after installing this module?
  • A: You’ll notice smoother multitasking, faster application launches, quicker data processing, and improved responsiveness when running memory-intensive tasks. Gaming, video editing, virtualization, and large file operations typically benefit from the additional 16GB, especially when switching between multiple programs or keeping several browser tabs open.
  • Q: Do I need to replace existing memory or can I add this module alongside current RAM?
  • A: In most Lenovo configurations, you can add this 16GB module in an available slot to increase total memory. If you have an existing RAM module, you can keep it installed and add the new module, provided there is an open slot. If you’re unsure about your device’s capacity or slot availability, consult your user manual or use a system information tool to verify.
  • Q: How do I know if this upgrade is right for me?
  • A: If your Lenovo device supports DDR4 memory upgrades and you’re experiencing slow application performance, frequent delays, or memory pressure when multitasking, upgrading to 16GB can offer meaningful improvements. It’s ideal for users who run multiple applications simultaneously, edit large files, or use memory-hungry software.
  • Q: Is there any warranty on this memory module?
  • A: AddOn memory modules typically come with a warranty as defined on the product page. Check the specific warranty terms on the retailer’s listing to confirm duration and coverage details for your region.
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 50986947186

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Telic
Lexington, US
★★★★★ 5
Was skeptical but it worked out of the box
Style Name: MacBook Air 13" (M4), Configuration: 3 years, Style Name: MacBook Air 13" (M4), Configuration: 3 years
Was skeptical at first but decided to pull the plug and get the m4 laptop with 3 years of apple care and it works. Haven't even opened an email or anything, laptop was still fresh out of the box. When I remembered I bought apple care and decided to check. Applied instantly as far as I know once I linked my apple account on the first boot up with internet! Good stuff
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 4, 2026
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hugo
Port Orchard, US
★★★★★ 1
DO NOT PURCHASE WITH YOUR MACBOOK OR OTHER APPLE DEVICES
Style Name: MacBook Air 13" (M4), Configuration: 3 years, Style Name: MacBook Air 13" (M4), Configuration: 3 years
I bought this along with my MacBook. And here is why you SHOULDN'T: 1. They NEVER sent me an AppleCare+ Agreement. You will only be able to download a General Terms & Conditions file. 2. I bought: AppleCare+ for 13-inch MacBook Air (M4) (3 years) and in the General Terms & Conditions that I downloaded, looking for my AppleCare+ Agreement #, it NEVER mentioned Macbook Air as a covered device. It was meant for other smaller devices, which is why it's cheaper. 3. Like I mentioned, since I never received an agreement, I never got an agreement #. 4. Since this AppleCare wasn't actually meant for a MacBook, it didn't connect automatically to my computer. So when I went to talk to Apple and Amazon, without an Agreement # you can do ANYTHING. If you purchase it, read through your General Terms and Conditions and find an excuse to ask for a FULL REFUND. Since this didn't cover my computer, I was thankfully able to get one, but it was a pain trying to talk to customer support and apple.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 27, 2025
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Amazon Customer
Louisville, US
★★★★★ 5
It worked! Apple Care was added to my device when I received it!
Style Name: MacBook Pro 14" (M4 Pro/M4 Max), Configuration: 3 years
I purchased an MacBook and AppleCare+ at the same time. A day/two after the purchase I received an email from Amazon that the AppleCare+ was in software and go to digital download. When I downloaded it was just the agreement. Then I started reading all the negative reviews on nightmare experience with Amazon and AppleCare+ not being added. I was very nervous and mentally prepare for the nightmare that lie ahead which having to call Amazon multiple times and then having to call Apple multiple times. To my surprise, right after Amazon delivered the MacBook (I got notification your item was delivered) I got another email from Amazon that AppleCare+ was added the laptop with agreement number and serial number of the laptop I received. I checked Apple's coverage site and sure enough Apple site showed AppleCare+ coverage tied the MacBook. I didn't even open the box or turn it on and see the AppleCare+ coverage. Hopefully this gives some insight to future buyers of AppleCare+ from Amazon!!!
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Reviewed in the United States on November 25, 2024
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C. Wong
Waukegan, US
★★★★★ 1
DO NOT PURCHASE APPLECARE+ THROUGH AMAZON (Please read before making a decision)
Style Name: MacBook Air 13" (M4), Configuration: 3 years
I rarely write reviews like this, but DO NOT PURCHASE APPLECARE+ THROUGH AMAZON. Just over a month ago, I purchased an Apple MacBook Air (m4) with AppleCare+. The AppleCare+ wasn't populating on the laptop, so after calls with Apple Support and Apple Agreement Administration, they found that AMAZON sent them the approved agreement with the device serial number then abruptly canceled it the following day. This happened over a month ago, and I was not notified nor have I received a refund. I would not have known it was canceled if not for Apple Support and Apple Agreement Administration. The only recourse is to receive a refund from Amazon--which is NOT automatic, I am fighting for this--and purchase AppleCare+ directly through Apple. Had all this taken place after the 60-days purchasing the MacBook Air (I'm currently one week short of this deadline), then I would be SOL on being able to cover my device. PURCHASE AT YOUR OWN DISCRETION/RISK AND CHECK THAT APPLECARE+ IS APPROVED AND ACTIVE ON YOUR DEVICE. Otherwise, play it safe and activate directly through Apple.
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Reviewed in the United States on December 28, 2025
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dsumling
Port Orchard, US
★★★★★ 5
Worked fine for me 🙌🏽
Style Name: MacBook Air 13" (M4), Configuration: 3 years
I read a lot of comments that said there was an issue with their purchase of AppleCare+, I did not have any of those experiences. AppleCare+ was on the laptop (MacBook Air, 13-inch 2025) automatically. I received an email with my confirmation of AppleCare+ coverage, along with my agreement number, product serial number and expiration date. There was nothing I needed to do on my end, because as I said it had already been added to my computer and attached to my iCloud account. — I hate that there are so many bad experiences and hope everything works out for anyone experiencing a nightmare but I can only recommend based on my experience, 10/10.
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Reviewed in the United States on August 4, 2025

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