PRO Memory Upgrade> 4GB Memory Upgrades & RAM Module Kits

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

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

OH YEAH! Single upgrade modules with the capacities of up to "4 GB of RAM?" It has never been a better time 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 Apple install. Be sure to confirm 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 awesomely!

18 Items Found

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4^GB	4GB DDR 266MHz 184-PIN PC2100 ECC Registered DIMM module Upgrade Size: 4GB RAM Generation: DDR PIN Configuration: 184-PIN Manufacturer: Factory Made Original Module Part No.: R51272PC2100252Rx4	$629.99
4^GB	4GB DDR 333MHz 184-PIN PC2700 ECC Registered DIMM module Upgrade Size: 4GB RAM Generation: DDR PIN Configuration: 184-PIN Manufacturer: Factory Made Original Module Part No.: R51272PC2700252Rx4	$629.99
4^GB	4GB DDR2 400MHz 240-PIN PC2-3200 ECC Registered DIMM module Upgrade Size: 4GB RAM Generation: DDR2 PIN Configuration: 240-PIN Manufacturer: Factory Made Original Module Part No.: R51272PC2320032Rx4	$78.99
4^GB	4GB DDR2 533MHz 240-PIN PC2-4200 ECC Registered DIMM module Average Rating: (4.5 out of 5 stars, 2 reviews) Upgrade Size: 4GB RAM Generation: DDR2 PIN Configuration: 240-PIN Manufacturer: Factory Made Original Module Part No.: R51272PC2420042Rx4	$89.99
4^GB	4GB DDR2 533MHz 240-PIN PC2-4200 Fully Buffered DIMM module Upgrade Size: 4GB RAM Generation: DDR2 PIN Configuration: 240-PIN Manufacturer: Factory Made Original Module Part No.: F51272PC2420042Rx4	$85.99
4^GB	4GB DDR2 667MHz 200-PIN PC2-5300 Laptop DIMM module Average Rating: (3.67 out of 5 stars, 3 reviews) Upgrade Size: 4GB RAM Generation: DDR2 PIN Configuration: 200-PIN Manufacturer: Factory Made Original Module Part No.: S51264PC2530052Rx8	$76.49
4^GB	4GB DDR2 667MHz 240-PIN PC2-5300 ECC Registered DIMM module Upgrade Size: 4GB RAM Generation: DDR2 PIN Configuration: 240-PIN Manufacturer: Factory Made Original Module Part No.: R51272PC2530052Rx4	$78.99
4^GB	4GB DDR2 667MHz 240-PIN PC2-5300 Fully Buffered DIMM module Average Rating: (4 out of 5 stars, 4 reviews) Upgrade Size: 4GB RAM Generation: DDR2 PIN Configuration: 240-PIN Manufacturer: Factory Made Original Module Part No.: F51272PC2530052Rx4	$85.99
4^GB	4GB DDR2 667MHz 240-PIN PC2-5300 Unbuffered DIMM module Upgrade Size: 4GB RAM Generation: DDR2 PIN Configuration: 240-PIN Manufacturer: Factory Made Original Module Part No.: U51264PC2530052Rx8	$79.98
4^GB	4GB DDR2 800MHz 200-PIN PC2-6400 Laptop DIMM module Average Rating: (4.64 out of 5 stars, 39 reviews) Upgrade Size: 4GB RAM Generation: DDR2 PIN Configuration: 200-PIN Manufacturer: Factory Made Original Module Part No.: S51264PC2640062Rx8	$85.00
4^GB	4GB DDR2 800MHz 240-PIN PC2-6400 FB-DIMM module Upgrade Size: 4GB RAM Generation: DDR2 PIN Configuration: 240-PIN Manufacturer: Factory Original Made Original Part No.: F51272PC2640062Rx4	$85.99
4^GB	4GB DDR2 800MHz 240-PIN PC2-6400 Unbuffered DIMM module Upgrade Size: 4GB RAM Generation: DDR2 PIN Configuration: 240-PIN Manufacturer: Factory Made Original Module Part No.: U51272PC2640062Rx8	$105.49
4^GB	4GB DDR2 800MHz 240-PIN PC2-6400 Unbuffered DIMM module Upgrade Size: 4GB RAM Generation: DDR2 PIN Configuration: 240-PIN Manufacturer: Factory Made Original Module Part No.: U51264PC2640062Rx8	$99.99
4^GB	4GB DDR3 1066MHz 204-PIN PC3-8500 Laptop DIMM module Average Rating: (4.96 out of 5 stars, 26 reviews) Upgrade Size: 4GB RAM Generation: DDR3 PIN Configuration: 204-PIN Manufacturer: Factory Made Original Module Part No.: S51264PC3850072Rx8	$29.98
4^GB	4GB DDR3 1066MHz 240-PIN PC3-8500 ECC Registered DIMM module Average Rating: (5 out of 5 stars, 2 reviews) Upgrade Size: 4GB RAM Generation: DDR3 PIN Configuration: 240-PIN Manufacturer: Factory Made Original Module Part No.: R51272PC3850072Rx4	$34.99
4^GB	4GB DDR3 1333MHz 204-PIN PC3-10600 Laptop DIMM module Average Rating: (5 out of 5 stars, 4 reviews) Upgrade Size: 4GB RAM Generation: DDR3 PIN Configuration: 204-PIN Manufacturer: Factory Made Original Module Part No.: S51264PC31060092Rx8	$32.99
4^GB	4GB DDR3 1333MHz 240-PIN PC3-10600 ECC Registered DIMM module Upgrade Size: 4GB RAM Generation: DDR3 PIN Configuration: 240-PIN Manufacturer: Factory Made Original Module Part No.: R51272PC31060092Rx4	$54.99
4^GB	4GB DDR3 1333MHz 240-PIN PC3-10600 Unbuffered DIMM module Average Rating: (5 out of 5 stars, 4 reviews) Upgrade Size: 4GB RAM Generation: DDR3 PIN Configuration: 240-PIN Manufacturer: Factory Made Original Module Part No.: U51264PC31060092Rx8	$33.99