Samsung
Samsung DDR4 2133MHzCL15 8GB RegECC 1RX4 (PC4 2133) Internal Memory M393A1G40DB0-CPB
Current price
$65.99
$8.25/GB
As of Apr 14, 2026 · Verify on Amazon · Price subject to change
vs avg $/GB
18% cheaper
Deal score
91/100
At $8.25/GB — 18% below the DDR4 market average.
Buy on AmazonProduct prices and availability are accurate as of the date of the last daily update and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply to the purchase of this product. Affiliate link.
At a Glance
Strengths
- +18% below the overall DDR4 market average $/GB
- +Compatible with 5 CPU platforms
Limitations
- −Limited review data — only 22 Amazon reviews
- −Limited price history — recently added to tracking, trends not yet available
- −Requires ECC-compatible CPU and motherboard — not supported on most consumer platforms
- −Single-stick configuration — runs in single-channel mode unless paired with another stick
All points are derived from price data, customer ratings, and product specifications — not editorial opinion. Updated daily.
Is This RAM Right for You?
Based on 8GB DDR4 ECC DIMM specifications.
ECC RAM is not supported on gaming platforms (consumer CPUs/boards)
ECC RAM requires server-grade hardware — not compatible with standard office PCs
ECC RAM protects long renders from silent data corruption — ideal for professional workstations
ECC RAM detects and corrects memory errors — required for data-critical servers and ZFS storage
This is a desktop DIMM — laptop upgrades require SO-DIMM modules. See Laptop RAM Prices for compatible options.
Verdicts based on capacity, form factor, and ECC specifications — not editorial opinion. Capacity recommendations reflect 2026 software requirements.
Price History
Updated daily — track price trends over time
Speed Ranking
Top 92%
2133MHz ranks in the top 92% of all DDR4 speeds tracked (1,762 modules).
Specifications
| Memory Type | DDR4 |
| Capacity | 8GB |
| Speed | 2133MHz |
| ECC | Yes |
| ASIN | B00URZ9QO4 |
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 |
|---|---|
| 8GBThis product | $9.97/GB |
| 16GB | $9.79/GB |
| 32GB | $9.33/GB |
| 64GB | $9.33/GB |
| 128GB | $8.96/GB |
Also available from Samsung
Same brand, different configurations
Samsung
M471A1K43CB1-CTD 8GB DDR4 PC4-21300, 2666MHZ, 260 PIN SODIMM, 1.2V, CL 19 laptop ram memory module
Samsung
M378A1K43CB2-CTD Memory Module (8 GB, 1 x 8 GB, DDR4, 2666 MHz, 288-pin DIMMM, Black, Green)
Samsung
8GB DDR4 PC4-21300 2666MHz 288 PIN UDIMM 1.2V CL 19 Desktop ram Memory Module M378A1K43DB2-CTD
Frequently Asked Questions
Is the Samsung 8GB 2133MHz 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 1000–5000 (AM4) and 1 more platforms. 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 $8.25/GB, this module is 18% below the overall DDR4 market average $/GB across all capacities. Deal score: 91/100. Check the price history chart above to see how the price has moved recently. Prices are updated daily from Amazon.
What is 2133MHz 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 — 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 137 modules tracked with an average customer rating of 4.6★. This specific module is 18% below the overall DDR4 market average $/GB. Browse all Samsung modules or use the comparison tool to see how it stacks up against Corsair, G.Skill, Kingston, and Crucial.
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Crucial 8GB Single DDR4 2400 MT/s (PC4-19200) DR x8 DIMM 288-Pin Memory - CT8G4DFD824A
A-Tech
A-Tech 8GB DDR4 2666 MHz UDIMM PC4-21300 (PC4-2666V) CL19 DIMM Non-ECC Desktop RAM Memory Module
Samsung
M471A1K43CB1-CTD 8GB DDR4 PC4-21300, 2666MHZ, 260 PIN SODIMM, 1.2V, CL 19 laptop ram memory module