Ddr Ecc

Is it better to have 2 of the same MBs of RAM sticks or can one be more MB than the other in DDR RAM?
I was reading that I should get two DDR RAM sticks of the same amount of MB RAM in my computer rather than just add one which is larger in MB. I've got 512MB PC3200 184-PIN 400MHz non-ecc RAM now and I want to get a 1GB RAM PC3200 184-PIN 400 MHz non-ecc RAM to add to it. But if I get the 1 GB would that be slower than if I got a 512 MB instead or should I just get two 1GB RAM sticks? I don't have all themoney in the world. I understand Windows Vista is going to require more RAM than Windows XP and I want to be ready to upgrade...
It is best to get two of the same brand, capacity, and have them exactly the same, because it will give you better performance and the make your computer faster.
AMD's Athlon 64 Has Arrived (and Intel's P4 Extreme)
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4 X 512MB DDR2 PC2 3200 CL3 ECC | US $1.11 | 1h 2m |
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2 KINGSTON 4GB MEMORY MODULE KVR1333D3D4R9S 2G 1333MHz DDR3 ECC Reg | US $30.00 | 4h 18m |
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32GB 8 x 4GB Samsung DDR2 PC2 5300F Fully Buffered ECC Server Memory | US $500.00 | 10h 10m |
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HYNIX PC 2100R 25330 256 MB DDR 266 MHz CL25 ECC | US $5.99 | 1h 2m |
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KINGSTON KVR RAM 2GB 667MHZ DDR2 ECC CL5 FB KVR667D2S4F5 2G | US $19.99 | 13h 38m |
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Lot 500 Samsung MT and other brand DDR 512MB ECC Server Memory | US $699.00 | 9h 22m |
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Samsung 2Gb 1 x 2Gb PC2 5300 Fully Buffered ECC Registered DDR2 M395T5750GZ4 | US $32.99 | 16h 38m |
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Micron Crucial 1GB DDR PC2 3200U 400 ECC Unbuffered CL3 | US $14.99 | 16h 46m |
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2 x 512MBDDR333CL25ECCReg RAM | US $.99 | 11h 13m |
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SimpleTech 4GB 4x 1GB ECC DDR2 PC3200 CL3 90000 40525 001 2329 | US $8.49 | 18h 19m |
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20x 512MB PC 2100 ECC Registered Server DDR Memory | US $19.99 | 6h 56m |
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2 x 1GB DDR2 400 PC3200 ECC RAM | US $1.05 | 10h 58m |
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Lot of 200 Samsung and other 1GB DDR Non ECC Desktop memory | US $2,900.00 | 9h 29m |
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OCZ Platinum 2GB 2x 1GB PC3200 DDR400 CL2 28V Non ECC DDR OCZ4002048ELDCPE K | US $79.90 | 10h 39m |
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Sun 4 x 2GB 371 0073 X8023A PC 3200 ECC Reg DDR X4200 | US $59.99 | 14h 20m |
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INFINEON 8GB 4 x 2GB PC2 3200 DDR2 ECC Registered Memory | US $2.30 | 18h 18m |
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Kingston 4GB2x2GB KTH8348 2G Ecc Ram DDR | US $49.99 | 14h 12m |
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2GB 2 X 1GB MEMORY DDR2 667MHZ PC2 5300 NON ECC 240 PIN M378T2953CZ3 CE6 | US $14.99 | 12h |
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IBM 8GB 8X1GB PC2 5300P DDR2 CL3 ECC Server Memory 41Y2761 | US $49.99 | 14h 20m |
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IBM 8GB 4x2GB PC2 3200R DDR2 CL3 73P2871 ECC REG Server Memory | US $39.95 | 14h 20m |
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Micron Lot of 27 256MB Mixed Speed Non ECC RAM DDR2 Desktop Memory S0978 | US $29.99 | 10h 35m |
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Lot of 16 HP 405476 051 2GB PC2 5300P DDR2 667 ECC 32GB | US $169.99 | 13h 44m |
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Lot of 8 1GB DDR 400 PC3200R CL3 ECC Registered RAM | US $35.00 | 12h 1m |
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Hynix Lot of 24 256MB RAM DDR2 Desktop Memory Non ECC Mixed Speed S0977 | US $29.99 | 10h 16m |
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Micron 4GB 2x 2GB PC2 5300 DDR2 667 SODIMM Laptop Memory RAM non ECC 200pin | US $37.55 | 12h 23m |
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2GB MEMORY DDR2 667MHZ PC2 5300 NON ECC 240 PIN KPR5300 2GR | US $19.99 | 12h |
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