A-Tech
A-Tech 8GB Kit (2x4GB) DDR4 2133MHz PC4-17000 ECC RDIMM 1Rx8 Single Rank 1.2V ECC Registered DIMM 288-Pin Server & Workstation RAM Memory Upgrade Modules (A-Tech Enterprise Series)
Current price
$50.58
$6.32/GB
As of Apr 14, 2026 · Verify on Amazon · Price subject to change
vs avg $/GB
37% cheaper
Deal score
91/100
At $6.32/GB — 37% below the DDR4 market average.
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At a Glance
Strengths
- +37% below the overall DDR4 market average $/GB
Limitations
- −Limited review data — only 1 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
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 (2x4) 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 (2x4) |
| Speed | 2133MHz |
| Form Factor | RDIMM |
| ECC | Yes |
| Voltage | 1.2V |
| ASIN | B0DYKYPT2W |
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 A-Tech
Same brand, different configurations
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Frequently Asked Questions
Is the A-Tech 8GB (2x4) 2133MHz 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 $6.32/GB, this module is 37% 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 A-Tech RAM compare to other brands?
A-Tech has 315 modules tracked with an average customer rating of 4.6★. This specific module is 37% below the overall DDR4 market average $/GB. Browse all A-Tech modules or use the comparison tool to see how it stacks up against Corsair, G.Skill, Kingston, and Crucial.
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