4GB Kit 2 X 2GB DDR2 Memory Compatible with Dell OptiPlex GX320 GX520 GX620 GX620DT GX620MT GX620SFF Desktop PC2-5300 240 pin 667MHz Non-ECC DIMM RAM
At $10.00/GB — DDR2 market rate.
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At a Glance
Limitations
- −No customer reviews available yet on Amazon
- −Limited price history — recently added to tracking, trends not yet available
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) DDR2 DIMM specifications.
4GB is below the 16GB minimum recommended for gaming in 2026
4GB is below the recommended minimum for comfortable everyday use
4GB is insufficient for video editing or 3D rendering workloads
Non-ECC RAM is not recommended for servers or NAS — silent data corruption risk without error correction
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 43%
667MHz ranks in the top 43% of all DDR2 speeds tracked (33 modules).
Specifications
| Memory Type | DDR2 |
| Capacity | 4GB (2x2) |
| Speed | 667MHz |
| Form Factor | DIMM |
| ASIN | B0062PGKEW |
Upgrade Cost Calculator
How much more (or less) would you spend to step up or down in capacity? Prices shown are the cheapest available DDR2 DIMM in each tier today.
Current
4GB
$39.99
$10.00/GB
Prices are the lowest available in each tier from our daily database — verify on Amazon before purchasing. Only DDR2 DIMM modules compared.
Related pages
Frequently Asked Questions
Is the 4GB (2x2) 667MHz DDR2 compatible with my motherboard?
Compatibility depends on your motherboard's supported memory type (DDR2), speed, and capacity. Check your motherboard manufacturer's QVL list to confirm this module is validated for your specific board.
Is this DDR2 module a good deal right now?
At $39.99 ($10.00/GB), this module is priced near the DDR2 market average. Check the price history chart above to see if prices have been trending up or down recently.
What is 667MHz RAM used for?
This RAM module is designed for desktop PC systems. Check your system's specifications to confirm compatibility before purchasing.
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.
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