Best Ddr3 Memory Components in 2026

Daisy
Last Updated: Feb 10, 2026

At a Glance: Our Top Picks for Ddr3 Memory Components

HP S1 Single RAM 8GB DDR4 2666MHz CL19 Laptop Memory - 7EH98AA#ABC
#TOP1
Hp S1 Single Ram 8Gb Ddr4 2666Mhz Cl19
9.8
PM SCORE
HP S1 RAM 16GB Kit (8GBx2) DDR4 2666MHz CL19 Laptop Memory - 8NN19AA#ABC
#TOP2
Hp S1 Ram 16Gb Kit (8Gbx2) Ddr4 2666Mhz
9.7
PM SCORE
A-Tech 8GB DDR4 2400MHz SODIMM PC4-19200 2Rx8 Dual Rank 260-Pin CL17 1.2V Non-ECC Unbuffered Notebook Laptop RAM Memory Upgrade Module
#TOP3
A-Tech 8Gb Ddr4 2400Mhz Sodimm Pc4-19200 2Rx8 Dual
9.6
PM SCORE

* PickSmartly editors independently research, review, and endorse the top products through comprehensive data analysis. We may earn a commission for qualifying purchases made through our product links.

Summary of the Best Ddr3 Memory Components of 2026

#TOP1
Best For Hp

Hp S1 Single Ram 8Gb Ddr4 2666Mhz Cl19 Laptop Memory - 7Eh98Aa#Abc

HP
7EH98AA
23.62 X 23.62 X 33.46 Inches
0.13 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
BIWIN Tech 9.94

Features

High cost performance without the need of repeated comparisons: The new-generation DDR4 memory has 4G, 8G, and 16G capacity, respectively, with the main frequency being 2400mhz and 2666MHz

Quality particles passed rigorous tests: Complies with JEDEC standards, features optimal memory particles, and passed rigorous testing, to ensure the quality of components.

Wide compatibility: Passed the motherboard compatibility test of major laptop computer brands and is compatible with laptop motherboards and systems that support DDR4

Energy conservation and environmental protection, adapting to high-intensity work: Operate under 1.2V low voltage, with high efficiency and low power consumption, ensuring stable performance

World-Class Quality & Support: 5 Years Warranty

#TOP2
Best For Hp

Hp S1 Ram 16Gb Kit (8Gbx2) Ddr4 2666Mhz Cl19 Laptop Memory - 8Nn19Aa#Abc

HP
8NN19AA#ABC
2.74 X 1.18 X 0.14 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING

Features

High cost performance without the need of repeated comparisons: The new-generation DDR4 memory has 4G, 8G, and 16G capacity, respectively, with the main frequency being 2400mhz and 2666MHz

Quality particles passed rigorous tests: Complies with JEDEC standards, features optimal memory particles, and passed rigorous testing, to ensure the quality of components.

Wide compatibility: Passed the motherboard compatibility test of major laptop computer brands and is compatible with laptop motherboards and systems that support DDR4

Energy conservation and environmental protection, adapting to high-intensity work: Operate under 1.2V low voltage, with high efficiency and low power consumption, ensuring stable performance

World-Class Quality & Support: 5 Years Warranty

A-Tech 8Gb Ddr4 2400Mhz Sodimm Pc4-19200 2Rx8 Dual Rank 260-Pin Cl17 1.2V Non-Ecc Unbuffered Notebook Laptop Ram Memory Upgrade Module

A-TECH COMPONENTS
AT8G1D4S2400ND8N12V
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
A-Tech Components 9.91

Features

Capacity: 8GB ( 1x 8GB Module ) | Type: DDR4 SODIMM ( 260-Pin ) | Memory RAM for Laptop, Notebook, & AIO Computers

Speed: DDR4 2400 MHz ( PC4-19200 / PC4-2400T ) | ECC Type: Non-ECC Unbuffered | Rank: 2Rx8 ( Dual Rank x8 ) | Voltage: 1.2V

Designed for select Laptop, Notebook, & All in One Computers (not limited to) Acer, Alienware, Apple, ASRock, ASUS, Dell, DFI, Fujitsu, Gateway, Gigabyte, HP, HP Compaq, Intel, Lenovo, LG, MSI, Panasonic, QNAP, Samsung, Sony, Supermicro, Synology & Toshiba (DDR4 Capable) Models

All modules undergo quality assurance testing to ensure dependable and reliable performance | Please verify the supported memory (RAM) specifications of your system prior to purchase to ensure compatibility

A-Tech provides a Lifetime Warranty for all orders & offers complimentary United States based Tech Support before, during, & after your purchase

A-Tech 16Gb (2X8Gb) Ddr4 2400Mhz Sodimm Pc4-19200 2Rx8 Dual Rank 260-Pin Cl17 1.2V Non-Ecc Unbuffered Notebook Laptop Ram Memory Upgrade Kit

A-TECH COMPONENTS
AT8G2D4S2400ND8N12V
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
A-Tech Components 9.91

Features

Capacity: 16GB Kit ( 2x 8GB Modules ) | Type: DDR4 SODIMM ( 260-Pin ) | Memory RAM for Laptop, Notebook, & AIO Computers

Speed: DDR4 2400 MHz ( PC4-19200 / PC4-2400T ) | ECC Type: Non-ECC Unbuffered | Rank: 2Rx8 ( Dual Rank x8 ) | Voltage: 1.2V

Designed for select Laptop, Notebook, & All in One Computers (not limited to) Acer, Alienware, Apple, ASRock, ASUS, Dell, DFI, Fujitsu, Gateway, Gigabyte, HP, HP Compaq, Intel, Lenovo, LG, MSI, Panasonic, QNAP, Samsung, Sony, Supermicro, Synology & Toshiba (DDR4 Capable) Models

All modules undergo quality assurance testing to ensure dependable and reliable performance | Please verify the supported memory (RAM) specifications of your system prior to purchase to ensure compatibility

A-Tech provides a Lifetime Warranty for all orders & offers complimentary United States based Tech Support before, during, & after your purchase

#TOP5
Best For Hp

Hp S1 Single Ram 16Gb Ddr4 2666Mhz Cl19 Laptop Memory - 7Eh99Aa#Abc

HP
7EH99AA#ABC
2.74 X 1.18 X 0.14 Inches
0.12 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
BIWIN Tech 9.94

Features

High cost performance without the need of repeated comparisons: The new-generation DDR4 memory has 4G, 8G, and 16G capacity, respectively, with the main frequency being 2400mhz and 2666MHz

Quality particles passed rigorous tests: Complies with JEDEC standards, features optimal memory particles, and passed rigorous testing, to ensure the quality of components.

Wide compatibility: Passed the motherboard compatibility test of major laptop computer brands and is compatible with laptop motherboards and systems that support DDR4

Energy conservation and environmental protection, adapting to high-intensity work: Operate under 1.2V low voltage, with high efficiency and low power consumption, ensuring stable performance

World-Class Quality & Support: 5 Years Limited Warranty

A-Tech 4Gb (2X2Gb) Ddr2 800Mhz Sodimm Pc2-6400 1.8V Cl6 200-Pin Non-Ecc Unbuffered Laptop Ram Memory Upgrade Kit

A-TECH COMPONENTS
CT2KIT25664AC800
4.00 X 3.25 X 0.30 Inches
0.09 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
A-Tech Components 9.91

Features

Memory Size: 4GB (2x 2GB Modules) | Memory Type: DDR2 SODIMM Memory RAM for Laptop, Notebook, & All-in-One Computers

Speed: DDR2 800MHz PC2-6400 | ECC Type: Non-ECC Unbuffered | Pin Count: 200-Pin | Voltage: 1.8V

Designed for Select (not limited to) Acer, Alienware, Apple, ASRock, ASUS, Dell, DFI, Fujitsu, Gateway, Gigabyte, HP, HP Compaq, Intel, Lenovo, LG, MSI, Panasonic, QNAP, Samsung, Sony, Supermicro, Synology & Toshiba Laptop, Notebook, & All-in-One Computer Models

All A-Tech modules undergo stringent quality assurance testing to ensure high performance and reliability

A-Tech provides a Lifetime Warranty for all orders & offers complimentary United States based Tech Support before, during, & after your purchase

A-Tech 8Gb Ddr4 2133Mhz Dimm Pc4-17000 Udimm Non-Ecc 2Rx8 1.2V Cl15 288-Pin Desktop Computer Ram Memory Upgrade Module

A-TECH COMPONENTS
AT8G1D4D2133ND8N12V
5.25 X 1.23 X 0.15 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
A-Tech Components 9.91

Features

Capacity: 8GB ( 1x 8GB Module ) | Type: DDR4 DIMM ( 288-Pin ) | Memory RAM for Desktop Computers

Speed: DDR4 2133 MHz ( PC4-17000 / PC4-2133P ) | ECC Type: Non-ECC UDIMM (Unbuffered DIMM) | Rank: 2Rx8 ( Dual Rank x8 ) | Voltage: 1.2V

Designed for select Desktop Computers (not limited to) Acer, Alienware, ASRock, ASUS, Dell, DFI, Fujitsu, Gateway, Gigabyte, HP, HP Compaq, Intel, Lenovo, LG, MSI, Panasonic, QNAP, Samsung, Sony, Supermicro, Synology & Toshiba (DDR4 Capable) Models

All modules undergo quality assurance testing to ensure dependable and reliable performance | Please verify the supported memory (RAM) specifications of your system prior to purchase to ensure compatibility

A-Tech provides a Lifetime Warranty for all orders & offers complimentary United States based Tech Support before, during, & after your purchase

A-Tech 16Gb (2X8Gb) Ddr4 2666Mhz Dimm Pc4-21300 Udimm Non-Ecc 2Rx8 1.2V Cl19 288-Pin Desktop Computer Ram Memory Upgrade Kit

A-TECH COMPONENTS
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
A-Tech Components 9.91

Features

Capacity: 16GB Kit ( 2x 8GB Modules ) | Type: DDR4 DIMM ( 288-Pin ) | Memory RAM for Desktop Computers

Speed: DDR4 2666 / 2667 MHz ( PC4-21300 ) | ECC Type: Non-ECC UDIMM (Unbuffered DIMM) | Rank: 2Rx8 ( Dual Rank x8 ) | Voltage: 1.2V

Designed for select Desktop Computers (not limited to) Acer, Alienware, ASRock, ASUS, Dell, DFI, Fujitsu, Gateway, Gigabyte, HP, HP Compaq, Intel, Lenovo, LG, MSI, Panasonic, QNAP, Samsung, Sony, Supermicro, Synology & Toshiba (DDR4 Capable) Models

All modules undergo quality assurance testing to ensure dependable and reliable performance | Please verify the supported memory (RAM) specifications of your system prior to purchase to ensure compatibility

A-Tech provides a Lifetime Warranty for all orders & offers complimentary United States based Tech Support before, during, & after your purchase

A-Tech 8Gb Ram Replacement For Hp 937236-855 | Ddr4 2666Mhz Pc4-21300 1Rx8 1.2V Sodimm 260-Pin Memory Module

A-TECH COMPONENTS
937236-855-ATC
2.74 X 1.18 X 0.15 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
A-Tech Components 9.91

Features

8GB Module ( 1 x 8GB ) | DDR4 2666 MHz / 2667 MHz ( PC4-21300 / PC4-2666V ) | DDR4 SO-DIMM ( 260-Pin ) | Non-ECC Unbuffered | 1Rx8 - Single Rank x8 | 1.2V - DDR4 Standard Voltage

Compatible Memory (RAM) Replacement for HP 937236-855

Maximizes the performance of your system by speeding up loading times, boosting responsiveness, and improving the ability to support greater workloads

All modules undergo quality assurance testing to ensure dependable and reliable performance

A-Tech provides a Lifetime Warranty for all orders & offers complimentary United States based Tech Support before, during, & after your purchase

#TOP10
Best For Hpe

A-Tech 16Gb Kit 4X 4Gb For Hp Compaq Pavilion Hpe H8-1000Cs H8-1000In H8-1000Kr H8-1000Ru H8-1000Z H8-1001Ru H8-1002Ru H8-1003Ru H8-1010Be H8-1010Ch H8-1010Cs Dimm Non-Ecc Pc3-8500 1066Mhz Ram Memory

A-TECH COMPONENTS
AM069415
6.70 X 3.60 X 0.80 Inches
0.23 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
A-Tech Components 9.91

Features

16GB KIT (4 x 4GB) DIMM DDR3 NON-ECC PC3-8500 1066MHz RAM Memory

Genuine A-Tech Memory

Lifetime Warranty

Designed For HP-Compaq Pavilion HPE Desktop Series. (See Compatibility List Below)

Offtek 8Gb Replacement Memory Ram Upgrade For Hp-Compaq Pavilion Notebook 15-Bs0Xx (Intel Pentium N3710/N4200 Celeron N3060/N3350) (Ddr3-12800) Laptop Memory

OFFTEK
1875280-HP-8192
2.60 X 0.43 X 1.75 Inches
0.02 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Offtek Memory 6.79

Features

Easy installation. RAM is one of the simplest ways to upgrade. No Operating System or software updates needed. (Plug & Play). Install guides at OFFTEK.

Improve the overall performance of the machine. Faster boot times. Increased productivity. Increased multitasking. Extend the life of the machine.

Limited Lifetime Warranty - Feel confident that your memory will last a lifetime. Our limited lifetime warranty guarantees that if your memory should ever fail we will replace or repair the product free of charge provided that it is still manufactured.

OFFTEK memory is manufactured using premier quality components. Module level testing ensures long term reliability which is backed by 25+ years of memory expertise.

100% Compatibility - Every memory product matched specifically to your machine is individually tested to guarantee reliability and 100% compatibility with your computer and operating system.

A-Tech 1Gb Replacement For Hp 398706-051 - Ddr2 667Mhz Pc2-5300 Ecc Fully Buffered Fbdimm 2Rx8 1.8V - Single Server Memory Ram Stick (398706-051-Atc)

A-TECH COMPONENTS
398706-051-ATC
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
A-Tech Components 9.91

Features

1GB DDR2 PC2-5300 2rx8 1.8v ECC FULLY BUFFERED SERVER Memory Module (240-pin DIMM 667MHz)

WARNING! This module is ECC FULLY BUFFERED! All modules in your system MUST be the same ECC Type in order to properly function

A-Tech Brand Lifetime Warranty! Toll Free Technical Support

Compatible replacement for HP 398706-051

Top 10 memory components Brands on Amazon

Here is the list of top-rated brands that were evaluated by PM.

Brand Count
A-Tech Components 8
Hp 3
Offtek 1

Top 10 memory components Brands Pie Chart


We've carried out a comprehensive analysis of 1,922 reviews on memory components, using our selection criteria to identify the best options in the categories. Our findings reveal that most customers typically select memory components priced around $41.17, with top brands including and neuriva and a-tech components

Our team of expert editors reviewed these high-quality items and handpicked the top 12 memory components for your consideration. We've also done extensive research on numerous sellers, identifying the best ones in the categories category. These include and amazon.com and a-tech components .

We are dedicated to assisting our users in finding the right memory Products based on their needs, saving them considerable time when choosing which memory components to buy. We take pride in the number of satisfied users we've helped through our thorough and insightful reviews.