Best Ddr3 Memory Components in 2026

Daisy
Last Updated: Feb 10, 2026

At a Glance: Our Top Picks for Ddr3 Memory Components

Crucial RAM 8GB DDR4 2666 MHz CL19 Desktop Memory CT8G4DFRA266
#TOP1
Crucial Ram 8Gb Ddr4 2666 Mhz Cl19 Desktop
9.9
PM SCORE
Crucial RAM 8GB Kit (2x4GB) DDR3 1600 MHz CL11 Laptop Memory CT2KIT51264BF160B
#TOP2
Crucial Ram 8Gb Kit (2X4Gb) Ddr3 1600 Mhz
9.9
PM SCORE
Crucial RAM 16GB Kit (2x8GB) DDR3 1600 MHz CL11 Memory for Mac CT2K8G3S160BM
#TOP3
Crucial Ram 16Gb Kit (2X8Gb) Ddr3 1600 Mhz
9.9
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

Crucial Ram 8Gb Ddr4 2666 Mhz Cl19 Desktop Memory Ct8G4Dfra266

CRUCIAL
CT8G4DFRA266
5.25 X 0.03 X 1.23 Inches
0.03 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
CalvinNHobbs 9.93

Features

Improve your system's responsiveness, run apps faster and multitask with ease

Install with ease; no computer skills required How-to guides available at Crucial

Compatibility assurance when using the Crucial System Scanner or Crucial Advisor Tool

Micron quality and reliability is backed by superior component and module level testing and 42 years of memory expertise

ECC Type = Non-ECC, Form Factor = UDIMM, Pin Count = 288-pin, PC Speed = PC4-21300, Voltage = 1.2V, Rank and Configuration = 1Rx16, 1Rx8 or 2Rx8

#TOP2

Crucial Ram 8Gb Kit (2X4Gb) Ddr3 1600 Mhz Cl11 Laptop Memory Ct2Kit51264Bf160B

CRUCIAL
CT2KIT51264BF160B
7.00 X 0.44 X 5.00 Inches
0.09 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
eStarDeals 6.41

Features

Improve your system's responsiveness, run apps faster and multitask with ease

Install with ease; no computer skills required; How-to guides available at Crucial

Compatibility assurance when using the Crucial System Scanner or Crucial Advisor Tool

Micron quality and reliability is backed by superior component and module level testing and 42 years of memory expertise

ECC Type = Non-ECC, Form Factor = SODIMM, Pin Count = 204-pin, PC Speed = PC3-12800, Voltage = 1.35V/1.5V, Rank and Configuration = 2Rx8

Crucial Ram 16Gb Kit (2X8Gb) Ddr3 1600 Mhz Cl11 Memory For Mac Ct2K8G3S160Bm

CRUCIAL
CRUCIAL DDR3L 1600 MT/S SODIMM-MAC
7.00 X 4.49 X 5.00 Inches
0.02 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
eStarDeals 6.41

Features

Improve your system's responsiveness, run apps faster and multitask with ease

Install with ease; no computer skills required. How-to guides available at Crucial

Compatibility assurance when using the Crucial System Scanner or Crucial Advisor Tool

Micron quality and reliability is backed by superior component and module level testing and 42 years of memory expertise

ECC Type = Non-ECC, Form Factor = SODIMM, Pin Count = 204-pin, PC Speed = PC3-12800, Voltage = 1.35V/1.5V, Rank and Configuration = 2Rx8

#TOP4

Crucial 16Gb Kit (8Gbx2) Ddr3/Ddr3L 1333 Mt/S (Pc3-10600) Sodimm 204-Pin Memory For Mac - Ct2K8G3S1339M

CRUCIAL
CT2K8G3S1339M
7.00 X 0.44 X 5.00 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Memorybank 9.61

Features

Increases system performance

Compatible with select Mac systems

All memory stick modules extensively tested at the component and function level

Meets or exceeds, Apple's quality standards and requirements

Easy installation

#TOP5

Crucial 16Gb Kit (8Gbx2) Ddr4 2133 Mt/S (Pc4-17000) Sr X8 Unbuffered Dimm 288-Pin Memory - Ct2K8G4Dfs8213

CRUCIAL
CT2K8G4DFS8213
5.27 X 0.03 X 1.23 Inches
0.07 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Aeon Micro, Inc. 8.04

Features

Speeds start at 2133 MT/s and faster data rates are expected to be available as DDR4 technology matures

Increase bandwidth by up to 32%

Reduce power consumption by up to 40%

Faster burst access speeds for improved sequential data throughput

Single Ranked, x8 based, Unbuffered DIMM

A-Tech 8Gb Ram Replacement For Crucial Ct102464Bf160B | Ddr3/Ddr3L 1600Mhz Pc3L-12800 2Rx8 1.35V Sodimm 204-Pin Memory Module

A-TECH COMPONENTS
CT102464BF160B-ATC
2.66 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 ) | DDR3/DDR3L 1600 MHz ( PC3L-12800 / PC3L-12800S ) | DDR3L SO-DIMM ( 204-Pin ) | Non-ECC Unbuffered | 2Rx8 - Dual Rank x8 | 1.35V - DDR3 Low Voltage (Can operate at 1.35V or 1.5V)

Compatible Memory (RAM) Replacement for Crucial CT102464BF160B

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

#TOP7
Best For Ecc

Crucial Server Memory 16Gb Ddr4 Dimm 288-Pin - 2666 Mhz / Pc4-21300 - Cl19-1.2 V - Unbuffered - Ecc Ct16G4Wfd8266

CRUCIAL
CT16G4WFD8266-2G6D1
0.79 X 5.91 X 0.39 Inches
0.02 pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Aeon Micro, Inc. 8.09

Features

Cut load times. Accelerate demanding applications. And spend less time waiting on your system and more time getting work done. Crucial ECC UDIMMs enable you to maximize the performance capability of your CPUs for a faster, more responsive system

Crucial ECC UDIMMs contain error correction code (ECC). ECC parity helps detect and correct single-bit Memory errors, which can cause sudden shutdowns, file corruption, or data loss. Help prevent costly downtimes with Crucial ECC UDIMMs, which ensure a higher level of data integrity

Crucial ECC UDIMMs are available in DDR to DDR4 memory technology, and select modules are also available in the very low profile (vlp) form factor. Measuring just 18.75mm tall, Crucial vlp ECC UDIMMs are 40% shorter than standard ECC UDIMMs and facilitate better airflow in space-constrained, systems such as micro servers, routers, and switches

Built with new technology tailored for the latest Intel platforms, Crucial DDR4 ECC UDIMMs allow you to increase system performance with memory speeds up to 2666 MT/s and densities up to 16GB. Increasing the installed memory capacity of each server with modules equipped with 8gb-based components enables your systems to reach Their full performance potential

When you make an enterprise-level investment in Crucial products, we believe you deserve a higher level of support. The Reliance Program offers qualified customers up to four additional benefits that affirm our commitment to your servers through service call reimbursements, On-Site spares, 24/7 Technical Support through our direct Hotline, and special bulk shipping options

A-Tech 4Gb Ram Replacement For Crucial Ct51264Bf160B | Ddr3/Ddr3L 1600Mhz Pc3L-12800 2Rx8 1.35V Sodimm 204-Pin Memory Module

A-TECH COMPONENTS
CT51264BF160B-ATC
2.66 X 1.18 X 0.15 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
A-Tech Components 9.91

Features

4GB Module ( 1 x 4GB ) | DDR3/DDR3L 1600 MHz ( PC3L-12800 / PC3L-12800S ) | DDR3L SO-DIMM ( 204-Pin ) | Non-ECC Unbuffered | 2Rx8 - Dual Rank x8 | 1.35V - DDR3 Low Voltage (Can operate at 1.35V or 1.5V)

Compatible Memory (RAM) Replacement for Crucial CT51264BF160B

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

A-Tech 8Gb Ram Replacement For Crucial Ct8G3S160Bm | Ddr3/Ddr3L 1600Mhz Pc3L-12800 2Rx8 1.35V Sodimm 204-Pin Memory Module

A-TECH COMPONENTS
CT8G3S160BM-ATC
2.66 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 ) | DDR3/DDR3L 1600 MHz ( PC3L-12800 / PC3L-12800S ) | DDR3L SO-DIMM ( 204-Pin ) | Non-ECC Unbuffered | 2Rx8 - Dual Rank x8 | 1.35V - DDR3 Low Voltage (Can operate at 1.35V or 1.5V)

Compatible Memory (RAM) Replacement for Crucial CT8G3S160BM

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

A-Tech 8Gb Ram Replacement For Crucial Ct102472Ab667 | Ddr2 667Mhz Pc2-5300 2Rx4 1.8V Ecc Rdimm Registered 240-Pin Dimm Memory Module

A-TECH COMPONENTS
CT102472AB667-ATC
5.25 X 1.18 X 0.15 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING

Features

Compatible Memory (RAM) Replacement for Crucial CT102472AB667

8GB Module ( 1 x 8GB ) | DDR2 667 MHz PC2-5300 / (PC2-5300 | DDR2 DIMM ( 240-Pin ) | ECC RDIMM ( Registered DIMM ) | 2Rx4 - Dual Rank x4 | 1.8V - DDR2 Standard Voltage

Only Compatible with Select SERVERS and WORKSTATIONS *NOT Compatible with DESKTOP or LAPTOP systems*

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

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

Top 10 memory components Brands on Amazon

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

Brand Count
Crucial 6
A-Tech Components 4

Top 10 memory components Brands Pie Chart


We've carried out a comprehensive analysis of 81,535 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 $46.94, with top brands including and neuriva and a-tech components

Our team of expert editors reviewed these high-quality items and handpicked the top 10 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.