RAM

Main System Memory (RAM)

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

Chipnumers @ SKU's

The PS3 has 256MB of 64 bit bus Rambus XDR 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	X5116AC-SE-3C-E    or K4Y50164UC-JCB3	4
CECHBxx	COK-001	1-871-868-12 1-871-868-22 1-871-868-32	X5116AC-SE-3C-E    or K4Y50164UC-JCB3	4
CECHCxx	COK-002	1-873-513-21 1-873-513-31	X5116AC-SE-3C-E    or K4Y50164UC-JCB3	4
CECHDxx	SKU never released
CECHExx	COK-002W		X5116AC-SE-3C-E    or K4Y50164UC-JCB3	4
CECHFxx	SKU never released
CECHGxx	SEM-001	1-875-384-21 1-875-384-31	X5116AC-SE-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-3C-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

Alternate table

Type	Size	Speed	Voltage	Packaging	Manufact.	Serial Number	Amount	Models
Rambus XDR	64MB	400MHz	1.8V+/-0.09V	FBGA-104	Elpida	X5116AC-SE-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

Graphics Memory

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	Qimonda	HYB18H512322AF-14	256MB total (4 chips) for PS3 Graphics Memory (later models)

Other XDR Rambus references

• CellBE_HIG_65nm_v1.01_8Jun2007.pdf
• BE_Hardwar_Init_Guide_v1.3_31March2006.pdf
• Rambus XDR IO Cell (XIO) - dl_0362_v0_71.pdf
• XDR Architecture - Rambus dl_0161_v0_8.pdf
• 8x4Mx16/8/4/2 - Rambus xdr_dl_0476.pdf
• XDR Clock Generator - Rambus dl_0169l_v0_81.pdf
• dl_0178_v0_93.pdf (january 2006)
• dl_0178_v0_95.pdf (august 2006)

PS2 Compatibility Memory

See: PS2 Compatibility