RAM

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System Memory (RAM)

Chipnumers @ SKU's

XDR-quad to CELLBE to SouthBridge diagram of PS3 FAT and early PS3 Slim's CECH-20..A/DYN-001
XDR-dual to CELLBE to SouthBridge diagram since CECH-21..A/SUR-001

XDR-quad memory
CECHGxx / SEM-001

The PS3 has a differential signalling 64 bit bus with 256MB of Rambus XDR DRAM main system memory. Older models use four 64MB chips, while newer models uses two 128MB chips.

PS3 Model Mobo Model Mobo serial RAM Serial Amount Notes
CECHAxx COK-001 1-871-868-12
1-871-868-22
1-871-868-32
X5116ACSE-3C-E
   or
K4Y50164UC-JCB3
4
CECHBxx COK-001 1-871-868-12
1-871-868-22
1-871-868-32
X5116ACSE-3C-E
   or
K4Y50164UC-JCB3
4
CECHCxx COK-002 1-873-513-21
1-873-513-31
X5116ACSE-3C-E
   or
K4Y50164UC-JCB3
4
CECHDxx SKU never released
CECHExx COK-002W X5116ACSE-3C-E
   or
K4Y50164UC-JCB3
4
CECHFxx SKU never released
CECHGxx SEM-001 1-875-384-21
1-875-384-31
X5116ACSE-3C-E 4
CECHHxx DIA-001 1-875-368-11
1-875-368-31
X5116ADSE-3C-E 4
CECHIxx SKU never released
CECHJxx DIA-002 1-876-912-32 K4Y50164UE-JCB3 4
CECHKxx DIA-002 1-876-912-32 K4Y50164UE-JCB3 4
CECHLxx VER-001 1-878-196-31
1-878-196-41
X5116ADSE-3C-E
   or
IDRD51-0-A1F1C-32C
4
CECHMxx VER-001 1-878-196-31
1-878-196-41
X5116ADSE-3C-E 4
CECHNxx SKU never released
CECHOxx SKU never released
CECHPxx VER-001 1-878-196-31
1-878-196-41
X5116ADSE-3C-E 4
CECHQxx VER-001 1-878-196-31
1-878-196-41
X5116ADSE-3C-E 4
CECH-20xx DYN-001 1-880-055-31 X5116ADSE-3C-E 4
CECH-21xx SUR-001 1-881-945-11 X1032BASE-3C-F 2
CECH-25xx JTP-001 1-882-481-31 X1032BASE-3CA2-F 2
CECH-25xx JSD-001 1-882-770-11 X1032BASE-3C-F 2
CECH-30xx KTE-001 1-884-749-11 X1032BASE-3C-F 2
CECH-40xx MSX-001 1-886-928-11 X1032BBBG-3C-F 2
CECH-40xx MPX-001 1-887-233-11 X1032BBBG-3C-F 2
CECH-42xx NPX-001 1-887-357-11 X1032BBBG-3C-F 2
CECH-42xx PQX-001 1-888-629-11 X1032BBBG-3C-F 2
CECH-43xx REX-001 1-893-507-31 K4Y12324TE-KCB3 2



Alternate table

Type Size Speed Voltage Packaging Manufact. Serial Number Amount Models
Rambus XDR 64MB 400MHz 1.8V+/-0.09V FBGA-104 Elpida X5116ACSE-3C-E 4x CECHAxx/COK-001 up to including CECHGxx/SEM-001
Rambus XDR 64MB 400MHz 1.8V+/-0.09V FBGA-104 Samsung K4Y50164UC-JCB3 4x ?Some initial models?
Rambus XDR 64MB 400MHz 1.8V+/-0.09V FBGA-100 Samsung K4Y50164UE-JCB3 4x CECHJxx/DIA-002 and CECHKxx/DIA-002
Rambus XDR 64MB 400MHz 1.8V+/-0.09V FBGA-104 Elpida X5116ADSE-3C-E 4x CECHHxx/DIA-001, CECHLxx/VER-001 up and including CECHQxx/VER-001 and PS3 Slim CECH-20xx/DYN-001
Rambus XDR 64MB 400MHz 1.8V+/-0.09V FBGA-104 Qimonda IDRD51-0-A1F1C-32C 4x reported on some CECHLxx/VER-001
Rambus XDR 128MB 400MHz 1.5V+/-0.075V FBGA-150 Elpida X1032BASE-3C-F 2x CECH-21xx/SUR-001 and newer

Other XDR Rambus references

Video Memory (VRAM)

Quad 64MB GDDR3 (256MB total) to RSX to CellBE diagram
RSX bare die
GPU in centre
4x GDDR3

The 256MB of GDDR3 memory is located inside the RSX chip using four 64MB FBGA chips.

Type Size Speed Voltage Packaging Manufacturer Serial Number Description
GDDR3 64MB (512Mbit) 700MHz 2.0V +/-0.1V FBGA-136 on-die Samsung K4J52324QC-SC14 256MB total (4 chips) for PS3 Graphics Memory
GDDR3 64MB (512Mbit) 700MHz 2.0V +/-0.1V FBGA-136 on-die Infineon/Qimonda HYB18H512322AF-14 256MB total (4 chips) for PS3 Graphics Memory
GDDR3 64MB (512Mbit) ? ? ? Samsung K4J52324KI-JC14 256MB total (4 chips) for PS3 Graphics Memory
GDDR3 64MB (512Mbit) ? ? ? Samsung K4J52324KJ-JC14 256MB total (4 chips) for PS3 Graphics Memory
GDDR3 128MB (1024Mbit) ? ? ? ? Hynix H5RS5223DFA 256MB total (2 chips ?) for PS3 Graphics Memory

PS2 Compatibility Memory

Rambus RDRAM
See: PS2 Compatibility