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

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 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	$124.99
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	$120.99
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	$126.49
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	$95.49
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	$115.99
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	$146.99
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	$96.99
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	$93.99
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	$147.49
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.: 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	$99.49
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	$27.49
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	$76.99
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	$29.99
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	$123.49
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	$25.99