Editing RAM

= System Memory (RAM) =

== Chipnumers @ SKU's ==
<div style="float:right">[[File:XDR-quad to CELLBE to SouthBridge diagram.png|x250px|thumb|left|XDR-quad to CELLBE to SouthBridge diagram of PS3 FAT and early PS3 Slim's CECH-20..A/DYN-001]][[File:XDR-dual to CELLBE to SouthBridge diagram.png|x250px|thumb|right|XDR-dual to CELLBE to SouthBridge diagram  since CECH-21..A/SUR-001]]<br />[[File:X5116AC-3C-E.jpg|200px|thumb|right|XDR-quad memory<br />[[CECHGxx]] / [[SEM-00x|SEM-001]]]]</div>
The PS3 has a [https://en.wikipedia.org/wiki/Differential_signalling differential signalling] 64 bit bus with 256MB of [https://en.wikipedia.org/wiki/XDR_DRAM Rambus XDR DRAM] main system memory. Older models use four 64MB chips, while newer models uses two 128MB chips.

{|class="wikitable" style="line-height:1.2em; font-size:1em"
|-
! PS3 Model !! Mobo Model !! RAM Serial !! Amount !! Notes
|-
| [[CECHAxx]]<br>[[CECHBxx]] || [[COK-001]] || [[X5116ACSE-3C-E]]<br />&nbsp;&nbsp;&nbsp;or<br />[[K4Y50164UC-JCB3 ]] || style="text-align:center;" | 4*16bits || 
|-
| [[CECHCxx]]<br>[[CECHExx]] || [[COK-002]] || [[X5116ACSE-3C-E]]<br />&nbsp;&nbsp;&nbsp;or<br />[[K4Y50164UC-JCB3 ]] || style="text-align:center;" | 4*16bits || 
|-
| [[CECHGxx]] || [[SEM-001]] || [[X5116ACSE-3C-E]] || style="text-align:center;" | 4*16bits || 
|-
| [[CECHHxx]] || [[DIA-001]] || [[X5116ADSE-3C-E]] || style="text-align:center;" | 4*16bits || 
|-
| [[CECHJxx]]<br>[[CECHKxx]] || [[DIA-002]] || [[K4Y50164UE-JCB3]] || style="text-align:center;" | 4*16bits || 
|-
| [[CECHLxx]] || [[VER-001]] || [[X5116ADSE-3C-E]]<br />&nbsp;&nbsp;&nbsp;or<br />[[IDRD51-0-A1F1C-32C]] || style="text-align:center;" | 4*16bits || 
|-
| [[CECHMxx]] || [[VER-001]] || [[X5116ADSE-3C-E]] || style="text-align:center;" | 4*16bits || 
|-
| [[CECHPxx]] || [[VER-001]] || [[X5116ADSE-3C-E]] || style="text-align:center;" | 4*16bits ||  
|-
| [[CECHQxx]] || [[VER-001]] || [[X5116ADSE-3C-E]] || style="text-align:center;" | 4*16bits || 
|-
| [[CECH-20xx]] || [[DYN-001]] || [[X5116ADSE-3C-E]] || style="text-align:center;" | 4*16bits || 
|-
| colspan="5" style="padding:0px" | 
|-
| [[CECH-21xx]] || [[SUR-001]] || [[X1032BASE-3C-F]] || style="text-align:center;" | 2*32bits || 
|-
| [[CECH-25xx]] || [[JTP-001]] || [[X1032BASE-3C-F#Elpida X1032BASE-3CA2-F|X1032BASE-3CA2-F ]] || style="text-align:center;" | 2*32bits || 
|-
| [[CECH-25xx]] || [[JSD-001]] || [[X1032BASE-3C-F]] || style="text-align:center;" | 2*32bits || 
|-
| [[CECH-30xx]] || [[KTE-001]] || [[X1032BASE-3C-F]] || style="text-align:center;" | 2*32bits || 
|-
| colspan="5" style="padding:0px" | 
|-
| [[CECH-40xx]] || [[MSX-001]] || [[X1032BBBG-3C-F]] || style="text-align:center;" | 2*32bits || 
|-
| [[CECH-40xx]] || [[MPX-001]] || [[X1032BBBG-3C-F]] || style="text-align:center;" | 2*32bits || 
|-
| [[CECH-42xx]] || [[NPX-001]] || [[X1032BBBG-3C-F]] || style="text-align:center;" | 2*32bits || 
|-
| [[CECH-42xx]] || [[PPX-001]] ||  || style="text-align:center;" | 2*32bits || 
|-
| [[CECH-42xx]] || [[PQX-001]] || [[X1032BBBG-3C-F]] || style="text-align:center;" | 2*32bits || 
|-
| colspan="5" style="padding:0px" | 
|-
| [[CECH-43xx]] || [[RTX-001]] ||  || style="text-align:center;" | 2*32bits || 
|-
| [[CECH-43xx]] || [[REX-001]] || [[K4Y12324TE-KCB3]] || style="text-align:center;" | 2*32bits || 
|}

<gallery>
File:Elpida XDR DRAM on production at June 4, 2013.jpg|Elpida XDR DRAM on production at June 4, 2013
File:Elpida XDR DRAM out of production at June 4, 2013.jpg|Elpida XDR DRAM out of production at June 4, 2013
</gallery>

=== Alternate table ===
{| border="1" cellspacing="0" cellpadding="5" border="#999" class="wikitable" style="border:1px solid #999; border-collapse: collapse;" 
|- bgcolor="#cccccc"
! Type !! Size !! Speed !! Voltage !! Packaging !! Manufact. !! Serial Number !! Amount !! Models
|-
| Rambus&nbsp;XDR || 64MB || 400MHz || 1.8V+/-0.09V || FBGA-104 || Elpida || [[X5116ACSE-3C-E]] || 4x || [[CECHAxx]]/[[COK-00x#COK-001|COK-001]] up to including [[CECHGxx]]/[[SEM-00x|SEM-001]]
|-
| Rambus&nbsp;XDR || 64MB || 400MHz || 1.8V+/-0.09V || FBGA-104 || Samsung || [[K4Y50164UC-JCB3]] || 4x || ?Some initial models?
|-
| Rambus&nbsp;XDR || 64MB || 400MHz || 1.8V+/-0.09V || FBGA-100 || Samsung || [[K4Y50164UE-JCB3]] || 4x || [[CECHJxx]]/[[DIA-00x#DIA-002|DIA-002]] and [[CECHKxx]]/[[DIA-00x#DIA-002|DIA-002]]
|-
| Rambus&nbsp;XDR || 64MB || 400MHz || 1.8V+/-0.09V || FBGA-104 || Elpida || [[X5116ADSE-3C-E]] || 4x || [[CECHHxx]]/[[DIA-00x#DIA-001|DIA-001]], [[CECHLxx]]/[[VER-00x|VER-001]] up and including [[CECHQxx]]/[[VER-00x|VER-001]] and PS3 Slim [[CECH-20xx]]/[[DYN-00x|DYN-001]]
|-
| Rambus&nbsp;XDR || 64MB || 400MHz || 1.8V+/-0.09V || FBGA-104 || Qimonda || [[IDRD51-0-A1F1C-32C]] || 4x || reported on some [[CECHLxx]]/[[VER-00x|VER-001]]
|-
| Rambus&nbsp;XDR || 128MB || 400MHz || 1.5V+/-0.075V || FBGA-150 || Elpida || [[X1032BASE-3C-F]] || 2x || [[CECH-21xx]]/[[SUR-00x|SUR-001]] and newer
|-
|}

== Other XDR Rambus references ==
* [https://www-01.ibm.com/chips/techlib/techlib.nsf/techdocs/AF7832F379790768872572D10047E52B/$file/CellBE_HIG_65nm_v1.01_8Jun2007.pdf CellBE_HIG_65nm_v1.01_8Jun2007.pdf]
* [http://www.capsl.udel.edu/~jmanzano/Cell/docs/arch/BE_Hardwar_Init_Guide_v1.3_31March2006.pdf BE_Hardwar_Init_Guide_v1.3_31March2006.pdf]
* [http://www.rambus.com/assets/documents/products/dl_0362_v0_71.pdf Rambus XDR IO Cell (XIO) - dl_0362_v0_71.pdf]
* [http://www.rambus.com/assets/documents/products/dl_0161_v0_8.pdf XDR Architecture - Rambus dl_0161_v0_8.pdf]
* [http://www.rambus.com/assets/documents/products/xdr_dl_0476.pdf 8x4Mx16/8/4/2 - Rambus xdr_dl_0476.pdf]
* [http://www.rambus.com/assets/documents/products/dl_0169l_v0_81.pdf XDR Clock Generator - Rambus dl_0169l_v0_81.pdf]
* dl_0178_v0_93.pdf (january 2006)
* dl_0178_v0_95.pdf (august 2006)

* http://www.mirrorcreator.com/files/1KD96OYT/xdr_product_guide_mar_06_0.pdf_links
* http://www.mirrorcreator.com/files/1C1NTTYD/Elpida_E1819E20_0.pdf_links
* http://www.mirrorcreator.com/files/KGNOVWHK/Elpida_E0881E20_0.pdf_links
* http://www.mirrorcreator.com/files/SSF2GNEK/Samsung_k4y50xx4ue_rev10.pdf_links
* http://www.mirrorcreator.com/files/1FQRE8S5/Samsung_k4y50xx4uc_rev11_0.pdf_links
* http://www.mirrorcreator.com/files/11S5L1EW/Elpida_E1033E40_EOL_0.pdf_links

= Video Memory (VRAM) =
<div style="float:right">[[File:GDDR3 to RSX to CellBE diagram.png|200px|thumb|left|Quad 64MB GDDR3 (256MB total) to RSX to CellBE diagram ]]<br />[[File:RSX_MEMORY.jpg|200px|thumb|left|RSX bare die<br />GPU in centre<br />4x GDDR3]]</div>

The 256MB of GDDR3 memory is located inside the [[RSX]] chip using four 64MB FBGA chips.
{| border="1" cellspacing="0" cellpadding="5" border="#999" class="wikitable" style="border:1px solid #999; border-collapse: collapse;" 
|- bgcolor="#cccccc"
! Type !! Size !! Speed !! Voltage !! Packaging !! Manufacturer !! Serial Number !! Description
|-
| GDDR3 || 64MB (512Mbit) || 700MHz || 2.0V +/-0.1V || <strike>FBGA-136</strike> on-die || Samsung || [[K4J52324QC-SC14]] || 256MB total (4 chips) for PS3 Graphics Memory
|-
| GDDR3 || 64MB (512Mbit) || 700MHz || 2.0V +/-0.1V || <strike>FBGA-136</strike> 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 =
[https://en.wikipedia.org/wiki/RDRAM Rambus RDRAM]<br>
See: [[PS2 Compatibility]]

{{Motherboard Components}}<noinclude>[[Category:Main]]</noinclude>