Current price
$799.00$6.24/GBAs of 28 Aug 2026, 06:40 UTC ยท Verify on Amazon ยท Price subject to change
33% below peer $/GB
$6.24/GB vs similar 128GB (4x32) DDR4 kits
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
Samsung Memory Bundle with 128GB (4 x 32GB) DDR4 PC4-21300 2666MHz RDIMM (4 x M393A4K40CB2-CTD) Registered Server Memory (Red)
This Samsung 128GB (4x32) 2666MHz DDR4 desktop kit is $799.00 ($6.24/GB), 33% below similar 128GB (4x32) DDR4 peer $/GB. In stock on Amazon. Red variant.
At a Glance
Strengths
- 33% below the 128GB (4x32) DDR4 peer median $/GB
Limitations
- Limited review data โ only 43 Amazon reviews
All points are derived from price data, customer ratings, and product specifications โ not editorial opinion. Updated daily.
Cheaper Alternatives
Same 128GB DDR4 โ lower $/GB than this product
Corsair
Corsair Vengeance LPX 128GB (4x32GB) DDR4 3600 (PC4-28800) C18 1.35V Desktop Memory - Black76% cheaper/GB
Kingston
Kingston FURY Renegade 128GB (4x32GB) 3600MT/s DDR4 CL18 Desktop Memory Kit of 4 | Intel XMP | AMD Ryzen | KF436C18RB2K4/12862% cheaper/GB
37% cheaper/GB
Ranked by lowest $/GB. Same 128GB 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 | 128GB (4x32) |
| Kit Config | โ 4ร kit โ dual-channel ready |
SpeedFrequency in MT/s or MHz ยท guide | 2666MHz |
Form FactorDIMM (Desktop) vs SO-DIMM (Laptop) | RDIMM |
ASIN | B081K7STC4 |
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
$799.00
102d Low
$689.00
102d High
$899.00
102d Avg
$799.04
Deal score
93/100
vs this kit's history
Current price is 0.0ฯ below the tracked average of $799.04 - within a normal band for this ASIN.
Frequently Asked Questions
Is the Samsung 128GB (4x32) 2666MHz DDR4 compatible with my motherboard?
Compatibility depends on your motherboard's supported memory type (DDR4), speed, and capacity. Check your motherboard manufacturer's QVL list to confirm this module is validated for your specific board.
Is this DDR4 module a good deal right now?
At $6.24/GB, this module is 33% below the 128GB (4x32) DDR4 peer median $/GB. Check the price history chart for recent movement. 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?
Samsung has 140 modules tracked with an average customer rating of 4.7โ . This specific module is 33% below the 128GB (4x32) DDR4 peer median $/GB. Browse all Samsung modules or use the comparison tool to see how it stacks up against Corsair, G.Skill, Kingston, and Crucial.
Is 128GB of RAM enough for gaming in 2026?
128GB is more than enough for gaming in 2026. Most AAA titles use 16โ24GB alongside Discord and a browser. 128GB gives you headroom for streaming, recording, and running multiple applications simultaneously.
Is a 4ร32GB kit better than a single stick?
This is already a 4ร32GB kit (quad-channel capable) โ the correct configuration for maximum bandwidth on supported platforms. Matched multi-stick kits use multiple memory channels simultaneously, improving real-world performance versus a single stick of the same total capacity.
Similar DDR4 RAM
NVTEK
NVTEK 128GB (4X32GB) DDR4 2666MHz PC4-21300 UDIMM 2Rx8 1.2V CL19 288-PIN Non-ECC Unbuffered Desktop PC Computer Memory KIT
NVTEK
NVTEK 128GB (4X32GB) DDR4 3200MHz PC4-25600 UDIMM 2Rx8 1.2V CL22 288-PIN Non-ECC Unbuffered Desktop PC Computer Memory KIT
Kingston
Kingston FURY Renegade 128GB (4x32GB) 3600MT/s DDR4 CL18 Desktop Memory Kit of 4 | Intel XMP | AMD Ryzen | KF436C18RB2K4/128
Compatibility & buying details
Use cases, platforms, motherboard notes, upgrade math, and analyst notes
Compatibility & buying details
Use cases, platforms, motherboard notes, upgrade math, and analyst notes
Is This RAM Right for You?
Based on 128GB (4x32) DDR4 DIMM specifications.
128GB eliminates memory as a bottleneck for AAA titles and multitasking
128GB handles office apps, video calls, and multiple browser tabs comfortably
128GB handles 4K/8K video editing, complex 3D rendering, and large project files
Non-ECC RAM is not recommended for servers or NAS โ silent data corruption risk without error correction
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.
Price Range
Tracked low
$689.00Current
$799.00Tracked high
$899.00Mid-range
Speed Ranking
Top 46%
2666MHz ranks in the top 46% of all DDR4 speeds tracked (2,032 modules).
Platform Pairing Guide
How well 2666MHz performs on each platform โ based on memory controller characteristics and manufacturer guidance.
| Platform | Benefit |
|---|---|
| AMD AM4 (Ryzen 1000โ5000) | โ Good |
| Intel LGA1200 (10th/11th gen) | โ Optimal |
| Intel LGA1700 DDR4 (12thโ14th gen) | โ 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
ASUS TUF Gaming B550-Plus WiFi II / MSI MAG B550 Tomahawk
B550 is the top AM4 chipset. DDR4-3600 CL16 is the sweet spot.
Gigabyte B760M D2H DDR4 / ASUS Prime B760M-A D4
B760 DDR4 boards support 12thโ14th Gen Intel with DDR4.
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
| Capacity | Avg $/GB |
|---|---|
| 8GB | $8.10/GB |
| 16GB | $7.81/GB |
| 32GB | $7.44/GB |
| 64GB | $7.81/GB |
| 128GBThis product | $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
128GB
$799.00$6.24/GBPrices 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 8GB DDR4 PC4-21300, 2666MHZ, 288 PIN DIMM, 1.2V, CL 19 desktop ram memory module
Samsung
Samsung M378A1K43CB2-CTD Memory Module (8 GB, 1 x 8 GB, DDR4, 2666 MHz, 288-pin DIMMM, Black, Green)
Samsung
SAMSUNG 8GB DDR4 PC4-21300 2666MHz 288 PIN UDIMM 1.2V CL 19 Desktop ram Memory Module M378A1K43DB2-CTD
Related pages
Amazon prices on this page. ASIN B081K7STC4 may also appear on Newegg - we do not show competitor prices.
Reviewed by C.R. Vinoth Kumar
Editor & FounderVinoth 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.
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.