Current price
$164.95$5.15/GBAs of 28 Aug 2026, 06:40 UTC ยท Verify on Amazon ยท Price subject to change
45% below peer $/GB
$5.15/GB vs similar 32GB 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 M393A4K40BB2-CTD 32GB DDR4-2666 LP ECC REG DIMM (M393A4K40BB2 CTD)
This Samsung 32GB 2666 MHz DDR4 ECC desktop kit is $164.95 ($5.15/GB), 45% below similar 32GB DDR4 peer $/GB. In stock on Amazon. Fits Intel 11th Gen Core (LGA1200) and Intel 12th / 13th / 14th Gen (LGA1700) and more. M393A4K40BB2 CTD variant.
At a Glance
Strengths
- 45% below the 32GB DDR4 peer median $/GB
- Compatible with 4 CPU platforms
Limitations
- No customer reviews available yet on Amazon
- Requires ECC-compatible CPU and motherboard โ not supported on most consumer platforms
All points are derived from price data, customer ratings, and product specifications โ not editorial opinion. Updated daily.
Cheaper Alternatives
Same 32GB DDR4 โ lower $/GB than this product
25% cheaper/GB
23% cheaper/GB
Gigastone
ใDDR4 RAMใ GIGASTONE Game PRO 32GB Kit (2x16GB) DDR4 3600MHz PC4-28800 CL 18-22-22-42 Intel XMP 2.0 AMD Ryzen 1.35V UDIMM 288 Pin Unbuffered Non ECC High Performance Gaming Desktop Memory - White22% cheaper/GB
Ranked by lowest $/GB. Same 32GB 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 | 32GB |
| Kit Config | โ Single stick โ runs in single-channel mode. Buy 2ร for dual-channel performance. |
SpeedFrequency in MT/s or MHz ยท guide | 2666 MHz |
Form FactorDIMM (Desktop) vs SO-DIMM (Laptop) | DIMM |
ECCError-correcting capability ยท guide | Yes |
ASIN | B0727SDH9S |
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
$164.95
60d Low
$151.95
60d High
$181.30
60d Avg
$160.29
Deal score
65/100
vs this kit's history
Current price is 0.6ฯ above the tracked average of $160.29 - within a normal band for this ASIN.
Frequently Asked Questions
Is the Samsung 32GB 2666 MHz 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 1000โ5000 (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?
At $5.15/GB, this module is 45% below the 32GB DDR4 peer median $/GB. Check the price history chart for recent movement. Prices are updated daily from Amazon.
What is 2666 MHz RAM used for?
This is an ECC (Error-Correcting Code) RAM module designed for servers, workstations, and NAS systems where data integrity is critical. ECC RAM detects and corrects single-bit memory errors automatically. It requires a compatible CPU and motherboard โ most consumer platforms do not support ECC. See our ECC RAM guide for platform compatibility details.
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 45% below the 32GB 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.
What is the difference between a single 32GB stick and a matched multi-stick kit?
A single 32GB stick runs in single-channel mode. A matched 2ร16GB kit of the same total capacity enables dual-channel mode, doubling memory bandwidth and typically improving real-world performance by 10โ30%. For best results, buy RAM in matched kits.
Similar DDR4 RAM
TEAMGROUP
TEAMGROUP T-Create TTCED432G32G3200HC16FDC01 Expert Overclocking 10L DDR4 32GB 3200MHz (PC4 25600) CL16 Desktop RAM Memory Module
A-Tech
A-Tech 32GB DDR4 3200 MHz UDIMM PC4-25600 (PC4-3200AA) CL22 DIMM 2Rx8 Non-ECC Desktop RAM Memory Module
G.SKILL
G.Skill, F4-3200C16D-32GTZN Trident Z Neo 32 Go (2X 16 Go) DDR4 3200 MHz CL16
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 32GB DDR4 ECC DIMM specifications.
ECC RAM is not supported on gaming platforms (consumer CPUs/boards)
ECC RAM requires server-grade hardware โ not compatible with standard office PCs
ECC RAM protects long renders from silent data corruption โ ideal for professional workstations
ECC RAM detects and corrects memory errors โ required for data-critical servers and ZFS storage
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.
Enterprise ECC Stability
Validated by C.R. Vinoth Kumar ยท Founder & Senior Editor
This is an Error Correcting Code (ECC) server module designed to prevent silent data corruption in 24/7 server environments (like TrueNAS/ZFS or enterprise workloads). Ensure your motherboard and CPU officially support ECC before purchasing.
Price Range
Tracked low
$151.95Current
$164.95Tracked high
$181.30Mid-range
Speed Ranking
Top 46%
2666 MHz ranks in the top 46% of all DDR4 speeds tracked (2,032 modules).
Compatible Platforms
Always verify with your motherboard'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 |
| 32GBThis product | $7.44/GB |
| 64GB | $7.81/GB |
| 128GB | $7.42/GB |
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 B0727SDH9S 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.