Shop for better made 4GB DDR3 & DDR2 memory modules upgrades and add up to 4 GB of RAM per chip!

4GB Memory Upgrades & RAM Module ... Related Upgrades & Pages
PRO 4GB DDR2 & DDR3 Memory Upgrades & RAM Module Expansion Kits

Installing modules in sizes from single 4GB modules to 4GB expansions kits from PRO Memory Upgrade is your best buy

Now you're talking! Ever buy a single module with the capacity of up to "4 GB of RAM?" It has never been easier to buy a quality made 4GB memory upgrade, at such a good value.  PRO Memory Upgrade offers from 4GB DDR3 SO-DIMM modules to 4GB DDR2 desktop Fully Buffered (FB-DIMM) ECC Registered memory (RDIMM) upgrades just like Dell, HP and IBM install. Be sure to examine your OS so you can run at 4 GB of RAM and beyond.  64-Bit Vista editions will allow for more than 4GBs. Servers and Apple Macs like the New Mac Pro will run great!

18 4GB Memory Upgrades & R... Items Found
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1. 4GB DDR 266MHz 184-PIN PC2100 ECC Registered DIMM module Speed up your computer to the max, install a 4GB memory 1x 4GB PC2100 DDR 266MHz ECC Registered DIMM professional RAM upgrade to increase your computing rate. P...
Manufacturer: Factory Made Original Module      Part No.:

R51272PC2100252Rx4

$689.99
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2. 4GB DDR 333MHz 184-PIN PC2700 ECC Registered DIMM module Speed up your computer to the max, install a 4GB memory 1x 4GB PC2700 DDR 333MHz ECC Registered DIMM professional RAM upgrade to increase your computing rate. P...
Manufacturer: Factory Made Original Module      Part No.:

R51272PC2700252Rx4

$629.99
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3. 4GB DDR2 400MHz 240-PIN PC2-3200 ECC Registered DIMM module
Average Rating: (5 out of 5 stars, 7 reviews)
Add more computing power with a 4GB memory 1x 4GB PC2-3200 DDR2 400MHz ECC Registered DIMM professional RAM upgrade to help your existing system stay up to spe...
Manufacturer: Factory Made Original Module      Part No.:

R51272PC2320032Rx4

$117.99
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4. 4GB DDR2 533MHz 240-PIN PC2-4200 ECC Registered DIMM module
Average Rating: (4.5 out of 5 stars, 2 reviews)
Expand computing speed with a 4GB memory 1x 4GB PC2-4200 DDR2 533MHz ECC Registered DIMM professional RAM upgrade and trust PRO Memory Upgrade quality for its r...
Manufacturer: Factory Made Original Module      Part No.:

R51272PC2420042Rx4

$117.99
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5. 4GB DDR2 533MHz 240-PIN PC2-4200 Fully Buffered DIMM module
Average Rating: (5 out of 5 stars, 3 reviews)
Expand computing speed with a 4GB memory 1x 4GB PC2-4200 DDR2 533MHz Fully Buffered DIMM professional RAM upgrade and trust PRO Memory Upgrade quality for its r...
Manufacturer: Factory Made Original Module      Part No.:

F51272PC2420042Rx4

$117.99
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6. 4GB DDR2 667MHz 200-PIN PC2-5300 Laptop DIMM module
Average Rating: (4.27 out of 5 stars, 11 reviews)
Expand computing speed with a 4GB memory 1x 4GB PC2-5300 DDR2 667MHz Laptop DIMM professional RAM upgrade and trust PRO Memory Upgrade quality for its reliabili...
Manufacturer: Factory Made Original Module      Part No.:

S51264PC2530052Rx8

$129.99
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7. 4GB DDR2 667MHz 240-PIN PC2-5300 ECC Registered DIMM module
Average Rating: (5 out of 5 stars, 2 reviews)
Upgrade with a 4GB memory 1x 4GB PC2-5300 DDR2 667MHz ECC Registered DIMM professional RAM expansion to improve your computing ability. PRO Memory Upgrade offer...
Manufacturer: Factory Made Original Module      Part No.:

R51272PC2530052Rx4

$117.99
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8. 4GB DDR2 667MHz 240-PIN PC2-5300 Fully Buffered DIMM module
Average Rating: (4.71 out of 5 stars, 28 reviews)
Upgrade with a 4GB memory 1x 4GB PC2-5300 DDR2 667MHz Fully Buffered DIMM professional RAM expansion to improve your computing ability. PRO Memory Upgrade offer...
Manufacturer: Factory Made Original Module      Part No.:

F51272PC2530052Rx4

$117.99
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9. 4GB DDR2 667MHz 240-PIN PC2-5300 Unbuffered DIMM module Max out with a 4GB memory 1x 4GB PC2-5300 DDR2 667MHz Unbuffered DIMM professional RAM upgrade to boost your desktop computing power. PRO Memory Upgrade offers ...
Manufacturer: Factory Made Original Module      Part No.:

U51264PC2530052Rx8

$129.99
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10. 4GB DDR2 800MHz 200-PIN PC2-6400 Laptop DIMM module
Average Rating: (4.75 out of 5 stars, 32 reviews)
Expand computing speed with a 4GB memory 1x 4GB PC2-6400 DDR2 800MHz Laptop DIMM professional RAM upgrade and trust PRO Memory Upgrade quality for its reliabili...
Manufacturer: Factory Made Original Module      Part No.:

S51264PC2640062Rx8

$129.99
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11. 4GB DDR2 800MHz 240-PIN PC2-6400 FB-DIMM module
Average Rating: (5 out of 5 stars, 1 reviews)
Upgrade with a 4GB memory 1x 4GB PC2-6400 DDR2 800MHz FB-DIMM professional RAM expansion to improve your computing ability. PRO Memory Upgrade offers Fully Buff...
Manufacturer: Factory Original Made Original      Part No.:

F51272PC2640062Rx4

$117.99
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12. 4GB DDR2 800MHz 240-PIN PC2-6400 Unbuffered DIMM module Upgrade with a 4GB memory 1x 4GB PC2-6400 DDR2 800MHz Unbuffered DIMM professional RAM expansion to improve your computing ability. PRO Memory Upgrade offers Un...
Manufacturer: Factory Made Original Module      Part No.:

U51264PC2640062Rx8

$129.99
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13. 4GB DDR2 800MHz 240-PIN PC2-6400 Unbuffered DIMM module Max out with a 4GB memory 1x 4GB PC2-6400 DDR2 800MHz Unbuffered DIMM professional RAM upgrade to boost your desktop computing power. PRO Memory Upgrade offers ...
Manufacturer: Factory Made Original Module      Part No.:

U51272PC2640062Rx8

$199.99
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14. 4GB DDR3 1066MHz 204-PIN PC3-8500 Laptop DIMM module
Average Rating: (4.94 out of 5 stars, 106 reviews)
Speed up your computer to the max, install a 4GB memory 1x 4GB PC3-8500 DDR3 1066MHz Laptop DIMM professional RAM upgrade to increase your computing rate. PRO M...
Manufacturer: Factory Made Original Module      Part No.:

S51264PC3850072Rx8

$109.99
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15. 4GB DDR3 1066MHz 240-PIN PC3-8500 ECC Registered DIMM module
Average Rating: (5 out of 5 stars, 1 reviews)
Speed up your computer to the max, install a 4GB memory 1x 4GB PC3-8500 DDR3 1066MHz ECC Registered DIMM professional RAM upgrade to increase your computing rat...
Manufacturer: Factory Made Original Module      Part No.:

R51272PC3850072Rx4

$134.99
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16. 4GB DDR3 1333MHz 204-PIN PC3-10600 Laptop DIMM module
Average Rating: (4.5 out of 5 stars, 2 reviews)
Upgrade with a 4GB memory 1x 4GB PC3-10600 DDR3 1333MHz Laptop DIMM professional RAM expansion to improve your computing ability. PRO Memory Upgrade offers SO-D...
Manufacturer: Factory Made Original Module      Part No.:

S51264PC31060092Rx8

$114.99
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17. 4GB DDR3 1333MHz 240-PIN PC3-10600 ECC Registered DIMM module
Average Rating: (4.75 out of 5 stars, 4 reviews)
Add more computing power with a 4GB memory 1x 4GB PC3-10600 DDR3 1333MHz ECC Registered DIMM professional RAM upgrade to help your existing system stay up to s...
Manufacturer: Factory Made Original Module      Part No.:

R51272PC31060092Rx4

$139.99
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18. 4GB DDR3 1333MHz 240-PIN PC3-10600 Unbuffered DIMM module
Average Rating: (4 out of 5 stars, 1 reviews)
Upgrade with a 4GB memory 1x 4GB PC3-10600 DDR3 1333MHz Unbuffered DIMM professional RAM expansion to improve your computing ability. PRO Memory Upgrade offers ...
Manufacturer: Factory Made Original Module      Part No.:

U51264PC31060092Rx8

$119.99
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  • In-stock
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