Rambus DRAM
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Overview
Specifications
32 MB PC800 32-bit dual-channel (2x 16-bit) RDRAM (Direct Rambus DRAM) @ 400 MHz, 3.2 GB/s peak bandwidth
Other information
All PS2 consoles up to the M-chassis (GH-052 board, Model No. SCPH-77XXX) use 2 RDRAM chips with 16 MB each for a total of 32 MB. All later PS2 consoles (SCPH-79XXX and onwards) have the RDRAM integrated into the main SoC.
All PSX consoles use 2 RDRAM chips with 36 MB each for a total of 72 MB.