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OWC 16GB Replacement for Synology D4ES03-16G - DDR4 2666 PC4-21300 CL19 2Rx8 260-pin 1.2V ECC Unbuffered SODIMM Memory RAM Module Upgrade
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OWC 16GB Replacement for Synology D4ES03-16G - DDR4 2666 PC4-21300 CL19 2Rx8 260-pin 1.2V ECC Unbuffered SODIMM Memory RAM Module Upgrade
  • Brand: OWC
  • Capacity: 16GB
  • Type: 260-Pin DDR4 SO-DIMM
  • Speed: DDR4 2666 (PC4 21300)
  • Model #: OWC2C6D42R816GB-C334-SF
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  • $157.26 
Samsung 8GB DDR4 3200MHz PC4-25600 1.2V 1Rx8 260-Pin SODIMM Laptop RAM Memory Module M471A1K43DB1-CWE
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Samsung 8GB DDR4 3200MHz PC4-25600 1.2V 1Rx8 260-Pin SODIMM Laptop RAM Memory Module M471A1K43DB1-CWE
  • CAS Latency: CL22
  • Voltage: 1.20V
  • Buffered/Registered: Unbuffered / Unregistered
  • Parts: Limited Lifetime
  • Model #: M471A1K43DB1-CWE-SM
Crucial 8GB Single DDR4 2400 (PC4 19200) 260-Pin SODIMM Memory - CT8G4SFS824A
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Crucial 8GB Single DDR4 2400 (PC4 19200) 260-Pin SODIMM Memory - CT8G4SFS824A
  • CAS Latency: CL17
  • Timing: 17-17-17
  • Voltage: 1.20V
  • Buffered/Registered: Unbuffered
  • Model #: CT8G4SFS824A
Colorful 16GB DDR4 3200MHz CL22 Laptop RAM, PC4-25600 SODIMM 260-Pin 1.2V Notebook Memory Upgrade for Laptop & Mini PC
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in 30 days
Colorful 16GB DDR4 3200MHz CL22 Laptop RAM, PC4-25600 SODIMM 260-Pin 1.2V Notebook Memory Upgrade for Laptop & Mini PC

Limited time offer, ends 07/22

  • Brand: Colorful
  • Capacity: 16GB (1 x 16GB)
  • Type: 260-Pin DDR4 SO-DIMM
  • CAS Latency: CL22
  • Model #: NB16G3200D4NP22
  • $119.98
  •  
  • $97.99 
  • Save: 18%
  • Free Shipping
CORSAIR Vengeance 16GB (2 x 8GB) 260-Pin DDR4 SO-DIMM DDR4 2666 (PC4 21300) Laptop Memory Model CMSX16GX4M2A2666C18
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CORSAIR Vengeance 16GB (2 x 8GB) 260-Pin DDR4 SO-DIMM DDR4 2666 (PC4 21300) Laptop Memory Model CMSX16GX4M2A2666C18
  • CAS Latency: CL18
  • Timing: 18-19-19-39
  • Voltage: 1.20V
  • Buffered/Registered: Unbuffered
  • Model #: CMSX16GX4M2A2666C18
CORSAIR Vengeance 64GB (2 x 32GB) 262-Pin DDR5 SO-DIMM DDR5 5600 (PC5 44800) Laptop Memory Model CMSX64GX5M2A5600C48
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CORSAIR Vengeance 64GB (2 x 32GB) 262-Pin DDR5 SO-DIMM DDR5 5600 (PC5 44800) Laptop Memory Model CMSX64GX5M2A5600C48
  • CAS Latency: CL48
  • Timing: 48-48-48-90
  • Voltage: 1.10V
  • Multi-channel Kit: Dual Channel Kit
  • Model #: CMSX64GX5M2A5600C48
Kingston FURY Impact 32GB (2 x 16GB) 260-pin SO-DIMM DDR4 3200 MHz CL20 Black Memory (KF432S20IBK2/32)
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Samsung 32GB DDR4 3200MHz PC4-25600 1.2V 2Rx8 260-Pin SODIMM Laptop RAM Memory Module M471A4G43AB1-CWE
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SAMSUNG
Samsung 32GB DDR4 3200MHz PC4-25600 1.2V 2Rx8 260-Pin SODIMM Laptop RAM Memory Module M471A4G43AB1-CWE
  • CAS Latency: CL22
  • Voltage: 1.20V
  • Buffered/Registered: Unbuffered / Unregistered
  • Parts: Limited Lifetime
  • Model #: M471A4G43AB1-CWE-SM
SK Hynix HMA82GS6CJR8N-XN 16GB 2Rx8 PC4-25600 DDR4 3200 MHz PC4-3200AA 260pin 1.2v SODIMM Memory
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SK hynix
SK Hynix HMA82GS6CJR8N-XN 16GB 2Rx8 PC4-25600 DDR4 3200 MHz PC4-3200AA 260pin 1.2v SODIMM Memory
  • CAS Latency: CL22
  • Voltage: 1.20V
  • Buffered/Registered: Unbuffered
  • Multi-channel Kit: Dual Channel Kit
  • Model #: HMA82GS6CJR8N-XNC
Timetec 16GB KIT(2x8GB) DDR3 / DDR3L 1333MHz PC3-10600 Non-ECC Unbuffered 1.5V / 1.35V CL9 2Rx8 Dual Rank 204 Pin SODIMM Laptop Notebook PC Computer Memory RAM Module Upgrade(16GB KIT(2x8GB))
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  • $38.99
  •  
  • $37.99 
  • Free Shipping
Team T-CREATE CLASSIC 32GB (2 x 16GB) 262-Pin DDR5 SO-DIMM DDR5 5600 (PC5 44800) Laptop Memory Model CTCCD532G5600HC46ADC-S01
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Team Group
Team T-CREATE CLASSIC 32GB (2 x 16GB) 262-Pin DDR5 SO-DIMM DDR5 5600 (PC5 44800) Laptop Memory Model CTCCD532G5600HC46ADC-S01
  • CAS Latency: CL46
  • Timing: 46-45-45-90
  • Voltage: 1.10V
  • Multi-channel Kit: Dual Channel Kit
  • Model #: CTCCD532G5600HC46ADC-S01
  •  
  • $439.99 
  • Free Shipping
A-Tech 16GB (2x8GB) DDR3 1333MHz SODIMM PC3-10600 2Rx8 Dual Rank 204-Pin CL9 1.5V Non-ECC Unbuffered Notebook Laptop RAM Memory Upgrade Kit
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A-Tech 16GB (2x8GB) DDR3 1333MHz SODIMM PC3-10600 2Rx8 Dual Rank 204-Pin CL9 1.5V Non-ECC Unbuffered Notebook Laptop RAM Memory Upgrade Kit
  • CAS Latency: CL9
  • Buffered/Registered: Unbuffered
  • Multi-channel Kit: Dual Channel Kit
  • Recommend Use: AMD & Intel Compatible
  • Model #: NE-SS-0019
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  • $48.22 
A-Tech 16GB (2x8GB) DDR5 5600MHz SODIMM PC5-44800 Non-ECC Unbuffered CL46 1.1V 262-Pin SO-DIMM Laptop Notebook Computer RAM Memory Upgrade Kit
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A-Tech 16GB (2x8GB) DDR5 5600MHz SODIMM PC5-44800 Non-ECC Unbuffered CL46 1.1V 262-Pin SO-DIMM Laptop Notebook Computer RAM Memory Upgrade Kit
  • CAS Latency: CL46
  • Voltage: 1.10V
  • Buffered/Registered: Unbuffered
  • Multi-channel Kit: Dual Channel Kit
  • Model #: AT8G2D5S5600NS16N11V
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  • $251.98 
Kingston FURY Impact 32GB (2 x 16GB) 262-Pin DDR5 SO-DIMM DDR5 5600 (PC5 44800) Laptop Memory Model KF556S40IBK2-32
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Kingston FURY Impact 32GB (2 x 16GB) 262-Pin DDR5 SO-DIMM DDR5 5600 (PC5 44800) Laptop Memory Model KF556S40IBK2-32

Save even more w/ promo code FPSF2229, limited offer

  • CAS Latency: CL40
  • Timing: 40-40-40
  • Voltage: 1.10V
  • Multi-channel Kit: Dual Channel Kit
  • Model #: KF556S40IBK2-32
G.SKILL Ripjaws SO-DIMM 16GB 262-Pin DDR5 SO-DIMM DDR5 5600 (PC5 44800) Laptop Memory Model F5-5600S4645A16GX1-RS
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G.SKILL Ripjaws SO-DIMM 16GB 262-Pin DDR5 SO-DIMM DDR5 5600 (PC5 44800) Laptop Memory Model F5-5600S4645A16GX1-RS
  • CAS Latency: CL46
  • Timing: 46-45-45
  • Voltage: 1.10V
  • Features: Designed for laptops and small form factor PCs, the Ripjaws DDR5 SO-DIMM memory kit is the ideal memory upgrade. Providing faster data transfer speeds and higher energy efficiency than DDR4, experience a new era of speed with Ripjaws DDR5 SO-DIMM today! Constructed with hand-screened IC chips and hand-tested through G.SKILL's rigorous and highly selective binning process, each Ripjaws DDR5 SO-DIMM memory kit is built for performance and reliability. • DDR5 SO-DIMM memory module for laptops or small-form-factor PCs • Intel XMP 3.0 Support
  • Model #: F5-5600S4645A16GX1-RS
CORSAIR Vengeance 32GB (2 x 16GB) 262-Pin DDR5 SO-DIMM DDR5 4800 (PC4 38400) Laptop Memory Model CMSX32GX5M2A4800C40
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  •  
  • $459.99 
  • Free Shipping
NEMIX RAM 4GB (2X2GB) DDR2 667MHz PC2-5300 2Rx8 1.8V 200-PIN Non-ECC SODIMM Laptop PC Memory KIT
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NEMIX RAM 4GB (2X2GB) DDR2 667MHz PC2-5300 2Rx8 1.8V 200-PIN Non-ECC SODIMM Laptop PC Memory KIT
  • Brand: NEMIX RAM
  • Series: NEMIX RAM DDR2 Orignial Series 200-Pin NON-ECC Unbuffered SODIMM Memory
  • Capacity: 4GB (2 x 2GB)
  • Type: 200-Pin DDR2 SO-DIMM
  • Model #: MS5300-228K02-710
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  • $19.99 
  • Free Shipping
OWC 4GB Replacement for Synology D4NS01-4G - DDR4 2666 PC4-21300 CL19 1Rx8 260-pin 1.2V SODIMM Memory RAM Module Upgrade
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OWC 4GB Replacement for Synology D4NS01-4G - DDR4 2666 PC4-21300 CL19 1Rx8 260-pin 1.2V SODIMM Memory RAM Module Upgrade
  • CAS Latency: CL19
  • Voltage: 1.2V
  • Buffered/Registered: Unbuffered
  • Part Number: 2S6D41R804GB
  • Model #: OWC2S6D41R804GB-C337-SF
  •  
  • $34.99 
Timetec 32GB KIT (2x16GB) DDR4 2666MHz (PC4-2666V) PC4-21300 SODIMM Laptop RAM  260-Pin 1.2V CL19 Non-ECC Unbuffered Memory Module for Laptop, Notebook, Mini PC, All-in-One
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in 30 days
Timetec
Timetec 32GB KIT (2x16GB) DDR4 2666MHz (PC4-2666V) PC4-21300 SODIMM Laptop RAM 260-Pin 1.2V CL19 Non-ECC Unbuffered Memory Module for Laptop, Notebook, Mini PC, All-in-One
  • CAS Latency: CL19
  • Voltage: 1.20V
  • Buffered/Registered: Unbuffered
  • Multi-channel Kit: Dual Channel Kit
  • Model #: MR-H16D426S7E-NA
  • $191.99
  •  
  • $176.99 
  • Save: 7%
  • Free Shipping
Timetec Hynix IC 8GB Kit (2x4GB) DDR3 1066MHz PC3-8500 Unbuffered Non-ECC 1.5V CL7 2Rx8 Dual Rank 204 Pin SODIMM Memory RAM Module Upgrade (8GB Kit (2x4GB))
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  • $25.99
  •  
  • $23.99 
  • Save: 7%
  • Free Shipping
Kingston 16GB 260-Pin DDR4 SO-DIMM DDR4 3200 (PC4 25600) Accessories - General Model KVR32S22S8/16
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Kingston 16GB 260-Pin DDR4 SO-DIMM DDR4 3200 (PC4 25600) Accessories - General Model KVR32S22S8/16
  • Brand: Kingston
  • Series: Elite
  • Capacity: 16GB
  • Type: 260-Pin DDR4 SO-DIMM
  • Model #: KVR32S22S8/16
Samsung 16GB DDR4 3200MHz PC4-25600 1.2V 2Rx8 260-Pin SODIMM Laptop RAM Memory Module M471A2K43DB1-CWE
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Samsung 16GB DDR4 3200MHz PC4-25600 1.2V 2Rx8 260-Pin SODIMM Laptop RAM Memory Module M471A2K43DB1-CWE
  • CAS Latency: CL22
  • Voltage: 1.20V
  • Buffered/Registered: Unbuffered / Unregistered
  • Parts: Limited Lifetime
  • Model #: M471A2K43DB1-CWE-SM
M471A2K43CB1-CTD Samsung 16GB DDR4 PC4-21300 2666MHz 260 PIN SODIMM 1.2V, CL 19 laptop ram memory module
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M471A2K43CB1-CTD Samsung 16GB DDR4 PC4-21300 2666MHz 260 PIN SODIMM 1.2V, CL 19 laptop ram memory module
  • CAS Latency: CL19
  • Voltage: 1.20V
  • Buffered/Registered: Unbuffered / Unregistered
  • Model #: M471A2K43CB1-CTD-1
CORSAIR Vengeance 64GB (2 x 32GB) 260-Pin DDR4 SO-DIMM DDR4 3200 (PC4 25600) Laptop Memory Model CMSX64GX4M2A3200C22
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CORSAIR Vengeance 64GB (2 x 32GB) 260-Pin DDR4 SO-DIMM DDR4 3200 (PC4 25600) Laptop Memory Model CMSX64GX4M2A3200C22
  • CAS Latency: CL22
  • Timing: 22-22-22-53
  • Voltage: 1.20V
  • Buffered/Registered: Unbuffered
  • Model #: CMSX64GX4M2A3200C22
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  • $484.99 
Timetec 16GB DDR4 2400MHz (PC4-2400T) PC4-19200 SODIMM Laptop RAM  260-Pin 1.2V CL17 Non-ECC Unbuffered Memory Module for Laptop, Notebook, Mini PC, All-in-One
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in 30 days
Timetec
Timetec 16GB DDR4 2400MHz (PC4-2400T) PC4-19200 SODIMM Laptop RAM 260-Pin 1.2V CL17 Non-ECC Unbuffered Memory Module for Laptop, Notebook, Mini PC, All-in-One
  • CAS Latency: CL17
  • Voltage: 1.20V
  • Buffered/Registered: Unbuffered
  • Recommend Use: Non-Apple System
  • Model #: MR-H16D424AS7E
  •  
  • $88.99 
  • Free Shipping
G.SKILL Ripjaws SO-DIMM 64GB (2 x 32GB) 262-Pin DDR5 SO-DIMM DDR5 5600 (PC5 44800) Laptop Memory Model F5-5600S4645A32GX2-RS
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G.SKILL Ripjaws SO-DIMM 64GB (2 x 32GB) 262-Pin DDR5 SO-DIMM DDR5 5600 (PC5 44800) Laptop Memory Model F5-5600S4645A32GX2-RS
  • CAS Latency: CL46
  • Timing: 46-45-45
  • Voltage: 1.10V
  • Multi-channel Kit: Dual Channel Kit
  • Model #: F5-5600S4645A32GX2-RS
A-Tech 4GB (2x2GB) DDR2 667MHz SODIMM PC2-5300 Non-ECC Unbuffered CL5 1.8V 200-Pin SO-DIMM Laptop Notebook Computer RAM Memory Upgrade Kit
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A-Tech 4GB (2x2GB) DDR2 667MHz SODIMM PC2-5300 Non-ECC Unbuffered CL5 1.8V 200-Pin SO-DIMM Laptop Notebook Computer RAM Memory Upgrade Kit
  • CAS Latency: CL5
  • Voltage: 1.80V
  • Buffered/Registered: Unbuffered
  • Multi-channel Kit: Dual Channel Kit
  • Model #: AT2G2D2S667NA0N18V
  •  
  • $29.98 
  • Free Shipping
Crucial 16GB 260-Pin DDR4 SO-DIMM DDR4 2133 (PC4 17000) Laptop Memory Model CT16G4SFD8213
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Crucial 16GB 260-Pin DDR4 SO-DIMM DDR4 2133 (PC4 17000) Laptop Memory Model CT16G4SFD8213
  • CAS Latency: CL15
  • Voltage: 1.20V
  • Buffered/Registered: Unbuffered
  • Features: CT16G4SFD8213 is a 16GB DDR4 Notebook module that operates at speeds up to 2133 MT/s and has a CL15 latency. It is an Unbuffered DIMM. It conforms to the industry standard DDR4 ECC UDIMM layout of 288 pins and is compatible with systems that take DDR4 2133MT/s SODIMM memory.
  • Model #: CT16G4SFD8213
SK Hynix 8GB HMAA1GS6CJR6N-XN 1Rx16 PC4-25600 DDR4-3200 MHz 260-Pin SO-DIMM Laptop Memory
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SK hynix
SK Hynix 8GB HMAA1GS6CJR6N-XN 1Rx16 PC4-25600 DDR4-3200 MHz 260-Pin SO-DIMM Laptop Memory
  • Brand: SK hynix
  • Capacity: 8GB
  • Type: 260-Pin DDR4 SO-DIMM
  • Speed: DDR4 3200 (PC4 25600)
  • Model #: HMAA1GS6CJR6N-XN*1
Kingston FURY Impact 64GB (2 x 32GB) 262-Pin DDR5 SO-DIMM DDR5 5600 (PC5 44800) Laptop Memory Model KF556S40IBK2-64
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Kingston FURY Impact 64GB (2 x 32GB) 262-Pin DDR5 SO-DIMM DDR5 5600 (PC5 44800) Laptop Memory Model KF556S40IBK2-64
  • Brand: Kingston
  • Series: FURY Impact
  • Capacity: 64GB (2 x 32GB)
  • Type: 262-Pin DDR5 SO-DIMM
  • Model #: KF556S40IBK2-64

What is Laptop Memory (RAM)?

Laptop memory (RAM) is essential for running applications and data on your laptop. The greater the laptop memory you have, the more tasks your device can manage simultaneously without a decrease in speed. Laptop RAM is particularly important for gaming laptops, where high-capacity laptop gaming RAM ensures smoother gameplay and better multitasking.

How much RAM do I need for my laptop?

Laptop memory comes in different types. These differences are due to memory technology, memory function, and other computer hardware components. For most computing tasks, like browsing the internet or working with documents, 4GB to 8GB of RAM is typically enough. If you utilize more demanding applications for functions such as video editing, graphic design, or gaming, you might require 16GB or more to ensure smooth performance. Determine the correct memory for your Windows® laptop with the Task Manager utility program. Alternatively, use the Hardware Overview utility in a MacBook® for the proper Mac memory. Both tools will help you determine which memory modules are compatible with your device regarding speed, capacity, and format. Additionally, Newegg's Memory Finder Tool can simplify your search, offering a tailored selection of compatible RAM based on your laptop's make and model.

Make Your System Run Faster With Laptop RAM Sticks

Using a RAM card or laptop RAM sticks is critical for short-term data access, speeding up applications, editing spreadsheets, and web browsing, highlighting the role of memory speed and capacity. However, RAM for your system's speed depends entirely on your laptop’s motherboard. A motherboard that supports RAM with clock speeds up to 1600MHz will only utilize speeds to that limit. The clock speed, cycle, or frequency is the number of cycles RAM runs in a second. So, a laptop memory with a clock speed of 2133MHz can perform 2,133 cycles per second. The higher the cycle numbers, the greater the data your laptop can read and write.

Improve Multitasking Capabilities With High-Performance Laptop RAM

You can enhance your laptop's multitasking capabilities with high-performance laptop RAM, allowing you to do many things simultaneously. As you edit a document, you pull up pictures from memory cards and browse the Internet. Each active app requires memory and competes for limited resources, but you can overcome this by installing high-density memory modules in each slot for seamless multitasking. If the laptop motherboard and operating system allow it, upgrading to 8GB or 16GB of RAM ensures faster loading of applications and switching between open programs. Upgrades of more than 16GB of memory capacity are advisable for users running resource-intensive games, creative applications, and various computer-aided design solutions.

Easy Laptop Memory Installation: No Technical Skills Required

Installing a laptop memory stick is straightforward—simply gather a screwdriver, your owner’s manual, and a few minutes of your time. Be sure to verify the type of RAM required; most modern laptops utilize DDR SO-DIMM, which stands for Double Data Rate Small Outline Dual In-Line Memory Module. It comes in various versions: DDR, DDR2, DDR3, and DDR4, with each version faster and using less power than the previous one. The DDR4 SO-DIMMs has up to 260 pins, with each achieving up to 2Gbps transfer speeds and consuming less power than earlier generation sticks.

Unlike your laptop memory, flash memory is a non-volatile storage medium that retains information, even after cutting off power. Despite the name, when it comes to data transfer and storage, flash memories are closer in operation and form to solid-state drives than external RAM for laptop devices. Flash memory is commonly used in USB card readers, printers, small electronics, and portable media players.

Ready to enhance your laptop's performance? Buy RAM for your laptop computer from Newegg’s extensive selection today. From multitasking to gaming, find the perfect high-quality laptop RAM options and enjoy a seamless computing experience.

Bestselling Laptop Memory Reviews:

Matt R.
5/27/2026 2:24:43 PM
Exactly what I needed.

“ Ordered a new laptop that the seller had upgraded several things on, one being the memory. ”

Crucial 32GB (2 x 16GB) 260-Pin DDR4 SO-DIMM DDR4 3200 (PC4 25600) Laptop Memory Model CT2K16G4SFRA32A
Anonymous
5/6/2026 8:34:16 PM
Exactly what I needed!

“ Compatible with my gaming laptop, and running well. ”

G.SKILL Ripjaws Series 32GB (2 x 16GB) 260-Pin DDR4 SO-DIMM DDR4 3200 (PC4 25600) Laptop Memory Model F4-3200C22D-32GRS
Aaron J.
12/6/2025 2:02:37 PM
Good reputable brand

“ Quality memory, stable, and runs at advertised speed ”

Crucial 64GB (2 x 32GB) 262-Pin DDR5 SO-DIMM DDR5 5600 Laptop Memory Model CT2K32G56C46S5
Dean H.
8/27/2025 9:42:51 AM
Better Than Expected

“ Purchased ram for laptop motherboard Acer Nitro 5 AN515-45. ”

Kingston Impact 64GB (2 x 32GB) 260-Pin DDR4 SO-DIMM DDR4 3200 (PC4 25600) Memory (Notebook Memory) Model KF432S20IBK2/64
Gregory B.
6/2/2025 7:08:59 PM
Good value proposition for the right buyer.

“ I have an inexpensive laptop that runs a single stick of 32Gb PC4800 DDR5 memory and according to the manufacturers website, 32Gb is the maximum amount of supported memory. ”

Crucial 64GB 262-Pin DDR5 SO-DIMM DDR5 5600 (PC5 44800) Laptop Memory Model CT64G56C46S5