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Current price

$72.75$9.09/GB

As of 28 Aug 2026, 06:40 UTC ยท Verify on Amazon ยท Price subject to change

Good time to buy

Price is near its tracked low of $64.78 โ€” in the bottom 20% of its recorded range. ยท $9.09/GB

Buy on Amazon
In stock on Amazon

As an Amazon Associate I earn from qualifying purchases. Prices as of 28 Aug 2026, 06:40 UTC. Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon.com at the time of purchase will apply to the purchase of this product.

SAMSUNG 8GB 2666MHz DDR4 RAM โ€” Samsung 8GB DDR4 2666MHz DIMM PC4-21300 288-Pin 1Rx8 1.2v UDIMM Desktop Memory Upgrade M378A1K43CB2-CTD

SAMSUNG

In Stock

Samsung 8GB DDR4 2666MHz DIMM PC4-21300 288-Pin 1Rx8 1.2v UDIMM Desktop Memory Upgrade M378A1K43CB2-CTD

This SAMSUNG 8GB 2666MHz DDR4 desktop kit is $72.75 ($9.09/GB), near its tracked low. In stock on Amazon. Fits Intel 11th Gen Core (LGA1200) and Intel 12th / 13th / 14th Gen (LGA1700) and more.

DDR48GB2666MHz4.6โ˜… (23)

At a Glance

Strengths

  • Compatible with 4 CPU platforms
  • Price near its tracked low of $64.78

Limitations

  • 12% above the 8GB DDR4 peer median $/GB
  • Limited review data โ€” only 23 Amazon reviews
  • Single-stick configuration โ€” runs in single-channel mode unless paired with another stick

All points are derived from price data, customer ratings, and product specifications โ€” not editorial opinion. Updated daily.

Cheaper Alternatives

Same 8GB DDR4 โ€” lower $/GB than this product

Browse all โ†’

Ranked by lowest $/GB. Same 8GB DDR4 DIMM only. Prices updated daily.

Specifications

Catalog data as of 28 Aug 2026, 06:40 UTC

Memory TypeDDR generation (DDR4 vs DDR5) ยท guide
DDR4
CapacityTotal kit memory size ยท guide
8GB
Kit Configโš  Single stick โ€” runs in single-channel mode. Buy 2ร— for dual-channel performance.
SpeedFrequency in MT/s or MHz ยท guide
2666MHz
Form FactorDIMM (Desktop) vs SO-DIMM (Laptop)
DIMM
VoltageOperating voltage level
1.2V
ASIN
B08LR1KDQC

Spotted a wrong price or spec? Report a data correction ยท How we verify data

Specs & prices refreshed 28 Aug 2026, 06:40 UTC. Verify on Amazon at checkout.

Price History

Updated daily โ€” track price trends over time

Current

$72.75

103d Low

$64.78

103d High

$874.99

103d Avg

$259.42

vs this kit's history

Current price is 0.6ฯƒ below the tracked average of $259.42 - within a normal band for this ASIN.

Frequently Asked Questions

Is the SAMSUNG 8GB 2666MHz DDR4 compatible with my motherboard?

This module is compatible with Intel 11th Gen Core (LGA1200), Intel 12th / 13th / 14th Gen (LGA1700), Intel Core X / Skylake-X (LGA2066 / X299), AMD Ryzen 1000โ€“5000 (AM4). Always verify with your motherboard's QVL (Qualified Vendor List) before purchasing, as compatibility can vary by board revision.

Is this DDR4 module a good deal right now?

Yes โ€” Price is near its tracked low of $64.78 โ€” in the bottom 20% of its recorded range. At $72.75 ($9.09/GB). Prices are updated daily from Amazon.

What is 2666MHz RAM used for?

DDR4 RAM is used in Intel LGA1200/LGA1700 and AMD AM4 (Ryzen 1000-5000) systems. It offers excellent value for existing platforms. 2666MHz is a standard DDR4 speed tier.

How does SAMSUNG RAM compare to other brands?

Compare this module against other brands using the RAM comparison tool. Key factors to consider: price per GB, customer ratings, warranty coverage, and compatibility with your specific motherboard.

Is 16GB of RAM enough for gaming in 2026?

8GB is below the 16GB minimum recommended for gaming in 2026. Most modern AAA titles require 12โ€“16GB. Consider upgrading to at least 16GB for a smooth gaming experience.

What is the difference between a single 8GB stick and a matched multi-stick kit?

A single 8GB stick runs in single-channel mode. A matched 2ร—4GB kit of the same total capacity enables dual-channel mode, doubling memory bandwidth and typically improving real-world performance by 10โ€“30%. For best results, buy RAM in matched kits.

Similar DDR4 RAM

Ballistix

Ballistix BLS8G4D240FSB Sport LT 8GB Single DDR4 2400 MT/s (PC4-19200) DIMM 288-Pin - (Gray)

DDR48GB2400MHz
$119.99

Timetec

Timetec Advanced 8GB DDR4 3200MHz (PC4-3200AA) PC4-25600 UDIMM Desktop RAM โ€“ 288-Pin 1.2V CL22 Non-ECC Unbuffered DIMM Memory Module Upgrade

DDR48GB3200MHz

Timetec

Timetec 8GB DDR4 2666MHz (PC4-2666V) PC4-21300 UDIMM Desktop RAM โ€“ 288-Pin 1.2V CL19 Non-ECC Unbuffered DIMM Memory Module Upgrade

DDR48GB2666MHz

SP Silicon Power

Silicon Power DDR4-2400 (PC4-19200) 8GB 288Pin 1.2V CL17 SP008GBLFU240B02 Desktop PC Memory

DDR48GB
$129.60

Compatibility & buying details

Use cases, platforms, motherboard notes, upgrade math, and analyst notes

Is This RAM Right for You?

Based on 8GB DDR4 DIMM specifications.

Gamingโš  Tight

8GB is below the 16GB minimum recommended for gaming in 2026

Office / Schoolโœ“ Good fit

8GB handles basic office tasks โ€” may slow with many tabs or large spreadsheets

Content Creationโœ• Not suited

8GB is insufficient for video editing or 3D rendering workloads

Server / NASโœ• Not suited

Non-ECC RAM is not recommended for servers or NAS โ€” silent data corruption risk without error correction

Laptop Upgradeโœ• Not suited

This is a desktop DIMM โ€” laptop upgrades require SO-DIMM modules. See Laptop RAM Prices for compatible options.

Verdicts based on capacity, form factor, and ECC specifications โ€” not editorial opinion. Capacity recommendations reflect 2026 software requirements.

B
Chief Analyst Verdict

Limited Entry-Level Capacity

Validated by C.R. Vinoth Kumar ยท Founder & Senior Editor

8GB of total memory is extremely marginal in 2026. Windows 11 uses 3-4GB at idle, leaving very little headroom for multitasking or gaming. We highly recommend upgrading to at least 16GB, or 32GB to prevent page-file stutters.

Price Range

Tracked low

$64.78

Current

$72.75

Tracked high

$874.99

โœ“ Near tracked low

Speed Ranking

Top 46%

2666MHz ranks in the top 46% of all DDR4 speeds tracked (2,032 modules).

SlowestFastest

Compatible Platforms

Intel 11th Gen Core (LGA1200)Intel 12th / 13th / 14th Gen (LGA1700)Intel Core X / Skylake-X (LGA2066 / X299)AMD Ryzen 1000โ€“5000 (AM4)

Always verify with your motherboard's QVL before purchasing.

Platform Pairing Guide

How well 2666MHz performs on each platform โ€” based on memory controller characteristics and manufacturer guidance.

PlatformBenefit
AMD AM4 (Ryzen 1000โ€“5000)โœ“ Good
Intel LGA1200 (10th/11th gen)โ˜… Optimal
Intel LGA1700 DDR4 (12thโ€“14th gen)โœ“ Good

Platform guidance based on AMD and Intel official specifications and independent testing. Always verify compatibility with your specific motherboard's QVL.

Motherboard Compatibility

Most popular DDR4 boards per platform

DDR4 RAM prices & motherboard guide โ†’
โœ“
AMD AM4B550

ASUS TUF Gaming B550-Plus WiFi II / MSI MAG B550 Tomahawk

B550 is the top AM4 chipset. DDR4-3600 CL16 is the sweet spot.

โœ“
Intel LGA1700 (DDR4)B760

Gigabyte B760M D2H DDR4 / ASUS Prime B760M-A D4

B760 DDR4 boards support 12thโ€“14th Gen Intel with DDR4.

โœ“
Intel LGA1200B560

ASUS Prime B560M-A / MSI MAG B560 Tomahawk WiFi

DDR4-3200 is the official LGA1200 maximum โ€” ideal match.

Always verify with your board's QVL before purchasing.

DDR4 Price by Capacity

Average $/GB across all DDR4 modules in the database

CapacityAvg $/GB
8GBThis product$8.10/GB
16GB$7.81/GB
32GB$7.44/GB
64GB$7.81/GB
128GB$7.42/GB

Upgrade Cost Calculator

How much more (or less) would you spend to step up or down in capacity? Prices shown are the cheapest available DDR4 DIMM in each tier today.

Current

8GB

$72.75$9.09/GB

โ† Step down

4GB

$21.11$5.28/GBSave $51.64See cheapest 4GB

Step up

16GB

$79.00$4.94/GB+$6.25 moreSee cheapest 16GB

Prices are the lowest available in each tier from our daily database โ€” verify on Amazon before purchasing. Only DDR4 DIMM modules compared.

Also available from SAMSUNG

Same brand, different configurations

SAMSUNG

SAMSUNG 16GB 2X8GB DDR4 PC4-17000 2RX8 2133MHZ 1.2V Memory KIT M471A1G43DB0-CPB

DDR416GB (2x8)2133MHz
$115.73

SAMSUNG

Samsung 16GB (2x8GB) DDR4 2666MHz DIMM PC4-21300 UDIMM Non-ECC 1Rx8 1.2V CL19 288-Pin Desktop Computer RAM Memory Upgrade Kit M378A1K43CB2-CTD

DDR416GB (2x8)2666MHz
$136.52
VK

Reviewed by C.R. Vinoth Kumar

Editor & Founder

Vinoth is an InfoSec consultant, independent technical blogger, and the developer of RAM Prices, with 12+ years in IT. He reviews buying guides and maintains the site's automated checks for price per GB, specification confidence, availability, and AMD/Intel platform compatibility. See the methodology for the exact ranking rules and limitations.

$72.75$9.09/GB
Buy on Amazon

As an Amazon Associate I earn from qualifying purchases. Prices as of 28 Aug 2026, 06:40 UTC. Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon.com at the time of purchase will apply to the purchase of this product.