A-Tech
A-Tech 4GB Replacement for Micron MT18JSF51272AZ-1G6 - DDR3 1600MHz PC3-12800E ECC Unbuffered UDIMM 240-Pin 2Rx8 1.5V - Single Server Memory RAM Stick (MT18JSF51272AZ-1G6-ATC)
Current price
$18.67
$4.67/GB
As of Apr 14, 2026 · Verify on Amazon · Price subject to change
vs avg $/GB
54% cheaper
Deal score
92/100
At $4.67/GB — 54% below the DDR3 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
- +54% below the overall DDR3 market average $/GB
Limitations
- −Limited review data — only 2 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 4GB DDR3 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 12%
1600MHz ranks in the top 12% of all DDR3 speeds tracked (411 modules).
Specifications
| Memory Type | DDR3 |
| Capacity | 4GB |
| Speed | 1600MHz |
| Form Factor | DIMM |
| ECC | Yes |
| Voltage | 1.5V |
| ASIN | B0B6GSM9CK |
Compatible Platforms
Always verify with your motherboard's QVL before purchasing.
DDR3 Price by Capacity
Average $/GB across all DDR3 modules in the database
| Capacity | Avg $/GB |
|---|---|
| 8GB | $5.11/GB |
| 16GB | $3.82/GB |
| 32GB | $4.10/GB |
| 64GB | $4.13/GB |
| 128GB | $5.29/GB |
Also available from A-Tech
Same brand, different configurations
A-Tech
A-Tech 8GB RAM for Dell OptiPlex 9020, 9010, 7020, 7010, 3020, 3010, XE2 (USFF/SFF/MT/DT) | DDR3 1600 MHz DIMM PC3-12800 UDIMM Memory Upgrade
A-Tech
A-Tech 16GB Kit (2x8GB) RAM for Dell OptiPlex 9020, 9010, 7020, 7010, 3020, 3010, XE2 (USFF/SFF/MT/DT) | DDR3 1600 MHz DIMM PC3-12800 UDIMM Memory Upgrade
A-Tech
A-Tech 32GB Kit (4x8GB) RAM for Dell OptiPlex 9020, 9010, 7020, 7010, XE2 (SFF/MT/DT) | DDR3 1600 MHz DIMM PC3-12800 UDIMM Memory Upgrade
Related pages
Frequently Asked Questions
Is the A-Tech 4GB 1600MHz DDR3 compatible with my motherboard?
This module is compatible with AMD FX Series (AM3+). Always verify with your motherboard's QVL (Qualified Vendor List) before purchasing, as compatibility can vary by board revision.
Is this DDR3 module a good deal right now?
At $4.67/GB, this module is 54% below the overall DDR3 market average $/GB across all capacities. Deal score: 92/100. Check the price history chart above to see how the price has moved recently. Prices are updated daily from Amazon.
What is 1600MHz 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 54% below the overall DDR3 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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Samsung
Samsung M471B5273CH0-CH9 4gb Ddr3 1333mhz Pc3-10600 204-Pin Non-Ecc