this is from the FAQ,
Q: What brands and types of memory does the 400SC support?
A: The following has been tested:
- 1x 128MB Samsung PC2700, 333MHz, ECC. (Default RAM for 533MHz CPUs)
- 1x 128MB Samsung PC3200, 400MHz, ECC. (Default RAM for 800MHz CPUs)
- 2x 256MB Corsair PC3200, 333MHz, Dual Channel.
- 2x 256MB Kingston HyperX PC3200, 400MHz, Dual Channel.
- 2x 128MB Crucial PC3200, ECC.
- 2x 512MB Mushkin PC3200 Basic Green.
- 2x 512MB Crucial PC3200, 400MHz, Dual Channel.
- 2x 512MB Kingston HyperX PC2700, 333MHz, Dual Channel.
- 2x 256MB Crucial PC2100, 266MHz, Dual Channel.
- 1x 512MB Kingston KVR333/512R PC2700 CL2.5, 333MHz, Dual Channel.
- 4x 128MB Samsung PC3200, 400MHz, Dual Channel.
- 2x 256MB Buffalo PC3700, 333MHz, Dual Channel.
- 1x 256MB Corsair XMS3200C2 PC3200, 333MHz.
- 2x 256MB Kingston HyperX PC3500, 400MHz, Dual Channel.
- 2x 512MB Kingston HyperX PC3200, KHX3200AK2/1G, 400MHz, Dual Channel, 2.5-2-3-2-8.
i dunno anything about RAM... whcih one is the best/worst?