CMS 4GB (2X2GB) DDR3 8500 1066MHZ Non ECC SODIMM Memory Ram Upgrade Compatible with Apple® iMac Early 2009 LAT 2009 Core 2 Duo DDR3 1067 MHz RAM - A47
Enterprise ECC Stability
Validated by C.R. Vinoth Kumar · 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.
Current price
$15.75$3.94/GBAs of May 30, 2026 · Verify on Amazon · Price subject to change
$/GB vs DDR3 market avg
62% below avgDeal score
92/100
At $3.94/GB — 62% below the DDR3 market average.
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Our systems refresh prices daily from Amazon.com to secure the absolute lowest USD market rate. You can cross-reference this RAM kit (ASIN: B06Y1W354V) against alternative marketplaces like Newegg or Crucial before buying.
Product 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. As an Amazon Associate we earn from qualifying purchases.
At a Glance
Strengths
- 62% below the overall DDR3 market average $/GB
Limitations
- Limited review data — only 35 Amazon reviews
- Limited price history — recently added to tracking, trends not yet available
- Availability unconfirmed — may be out of stock or delisted
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 (2x2) DDR3 ECC SO-DIMM specifications.
Laptop RAM — suitable for gaming laptops with compatible slots
4GB is below the recommended minimum for comfortable everyday use
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
SO-DIMM form factor — correct type for laptop memory upgrades. Verify your laptop has an accessible slot.
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
Current
$15.75
37d Low
$15.75
37d High
$15.75
37d Avg
$15.75
Speed Ranking
Top 98%
1066MHz ranks in the top 98% of all DDR3 speeds tracked (356 modules).
Specifications
Memory TypeDDR generation (DDR4 vs DDR5) · guide | DDR3 |
CapacityTotal kit memory size · guide | 4GB (2x2) |
| Kit Config | ✓ 2× kit — dual-channel ready |
SpeedFrequency in MT/s or MHz · guide | 1066MHz |
Form FactorDIMM (Desktop) vs SO-DIMM (Laptop) · guide | SO-DIMM |
ECCError-correcting capability · guide | Yes |
ASIN | B06Y1W354V |
Spotted a wrong price or spec? Report a data correction · How we verify data
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 |
|---|---|
| 4GBThis product | $7.42/GB |
| 8GB | $5.27/GB |
| 16GB | $4.01/GB |
| 32GB | $4.31/GB |
| 64GB | $4.12/GB |
| 128GB | $2.15/GB |
Frequently Asked Questions
Is the 4GB (2x2) 1066MHz DDR3 compatible with my motherboard?
This module is compatible with Laptop — DDR3 SO-DIMM. 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 $3.94/GB, this module is 62% 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 1066MHz 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 this brand RAM compare to other brands?
Compare this module against other brands using the RAM comparison tool. Key factors to consider: price per GB, customer ratings, warranty coverage, and compatibility with your specific motherboard.
Is 16GB of RAM enough for gaming in 2026?
4GB is below the 16GB minimum recommended for gaming in 2026. Most modern AAA titles require 12–16GB. Consider upgrading to at least 16GB for a smooth gaming experience.
What is the difference between a single 4GB stick and a 2×2GB kit?
This is already a 2×2GB dual-channel kit — the correct configuration for maximum performance. Dual-channel mode doubles the memory bandwidth by using both memory channels simultaneously, improving performance in games and applications by 10–30% compared to a single stick of the same total capacity.
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Expertly Curated by C.R. Vinoth Kumar
Lead Hardware AnalystC.R. Vinoth Kumar is a senior systems systems engineer and memory hardware architect with over 12 years of experience benchmarking computer components, building performance virtualization servers, and assembling local LLM inference rigs. Every memory module tracked in our database is mathematically checked using custom telemetry to isolate nanosecond CAS latency bounds, price-per-gigabyte market averages, and Ryzen/Intel platform pairings.
As an Amazon Associate we earn from qualifying purchases. Prices are updated daily and may change on Amazon.