Memory Compatibility

Memory Compatibility - Notebooks

www.lenovo.com/support/notebookmemorycompatibility

Additional Information

	Lenovo Support: Memory - Reference Guide - Information on memory for notebooks, desktops, and workstations
	Lenovo Support: Memory Compatibility - Desktops - Information on compatible memory (SODIMM and UDIMM) for desktops
	Troubleshooting Memory Issues - ThinkPad - For information on troubleshooting ThinkPad memory issues.
	www.lenovo.com/psref - Personal Systems Reference (PSREF): Comprehensive information on features and technical specifications of Lenovo products
	www.lenovo.com/support/accessories - Additional Lenovo Support information on options and accessories
	www.lenovo.com/accessoriesguide - Additional information on options and accessories. Includes brochures, datasheets, and Option Compatibility Matrix (OCM)
	www.lenovoquickpick.com - A web-based, accessories compatibility configurator

PC3-10600 DDR3-1333 SODIMM Memory	Individual (Single-Pack) Marketing Part Number	25-Pack Marketing Part Number	Field Replacement Unit (FRU) Service Part Number
1GB PC3-10600 Low-halogen	55Y3709	57Y4415	55Y3715
2GB PC3-10600 Low-halogen	55Y3710	57Y4416	55Y3716
4GB PC3-10600 Low-halogen	55Y3711	- - - - - - - -	55Y3717
PC3-8500 DDR3-1066 SODIMM Memory	Individual (Single-Pack) Marketing Part Number	25-Pack Marketing Part Number	Field Replacement Unit (FRU) Service Part Number
1GB PC3-8500 Low-halogen	55Y3706 (replaces 43R1987)	57Y4385 (replaces 51J0551)	55Y3712 (replaces 43R1989)
2GB PC3-8500 Low-halogen	55Y3707 (replaces 43R1988)	57Y4386 (replaces 51J0552)	55Y3713 (replaces 43R1969)
4GB PC3-8500 Low-halogen	55Y3708 (replaces 51J0493)	- - - - - - - -	55Y3714 (replaces 51J0494)
	Individual (Single-Pack) Marketing Part Number	25-Pack Marketing Part Number	Field Replacement Unit (FRU) Service Part Number
1GB PC3-8500	43R1987 (Discontinued, withdrawn from marketing - July 2009)	51J0551 (Discontinued, withdrawn from marketing - July 2009)	43R1989
2GB PC3-8500	43R1988 (Discontinued, withdrawn from marketing - July 2009)	51J0552 (Discontinued, withdrawn from marketing - July 2009)	43R1969
4GB PC3-8500	51J0493 (Discontinued, withdrawn from marketing - July 2009)	- - - - - - - -	51J0494
PC2-5300 DDR2-667 SODIMM Memory	Individual (Single-Pack) Marketing Part Number	25-Pack Marketing Part Number	Field Replacement Unit (FRU) Service Part Number
2GB PC2-5300	40Y7735	51J0548	40Y8404
1GB PC2-5300	40Y7734	51J0502	40Y8403
512MB PC2-5300	40Y7733 (Discontinued, withdrawn from marketing - April 2009)	- - - - - - - -	40Y8402
PC2700 DDR-333 SODIMM	Individual (Single-Pack) Marketing Part Number		Field Replacement Unit (FRU) Service Part Number
1GB PC2700	31P9834 (Discontinued, withdrawn from marketing - June 2009)	- - - - - - - -	31P9835
512MB PC2700	31P9832 (Discontinued, withdrawn from marketing - April 2009)	- - - - - - - -	31P9833

If Lenovo does not offer memory that is compatible for your system, consider Lenovo Option Continuation Program at: www.lenovo.com/optionscontinuationprogram

Physical specifications

Individual/Single-Pack Unpackaged SODIMM Memory (memory module only) Approximate height: 4 mm (0.2 in) Approximate depth: 32 mm (1.3 in) Approximate width: 68 mm (2.7 in) Approximate weight: 0.1 kg (0.2 lb) Individual/Single-Pack Packaged SODIMM Memory (memory module and carton) Approximate height: 25 mm (1.0 in) Approximate depth: 60 mm (2.4 in) Approximate width: 175 mm (6.9 in) Approximate weight: 0.15 kg (0.3 lb) 25-Pack Packaged SODIM Memory (25 memory modules and carton) Approximate height: 51 mm (2.0 in) Approximate depth: 165mm (6.5 in) Approximate width: 264 mm (10.4 in) Approximate weight: 0.4 kg (0.9 lb)

Memory configuration and compatibility

	A Series ThinkPads		W Series ThinkPads
	G Series ThinkPads		X Series ThinkPads
	R Series ThinkPads		Z Series ThinkPads
	Edge, L, and SL Series ThinkPads		Lenovo Notebooks
	T Series ThinkPads		IdeaPad Notebooks
			Older ThinkPad systems

ThinkPad	Memory description	Memory speed	Maximum memory size
A30, A30p	PC133 SDRAM 144-pin non-parity SoDIMM	133MHz	1GB
A31, A31p	PC2100 DDR SDRAM 200-pin non-parity SoDIMM (*)	266MHz	1GB

Back to top

ThinkPad	Memory description	Memory speed	Maximum memory size
G40	PC2100 DDR SDRAM 200-pin non-parity SoDIMM (*)	266MHz	1GB
G41	PC2700 DDR-333 SODIMM	333MHz	1GB

Back to top

ThinkPad R-Series	Memory description	Memory speed	Maximum memory size
R40(Pentium 4 and Celeron models), R40e	PC2100 DDR SDRAM 200-pin non-parity SoDIMM (*)	266MHz	1GB
R40 (Pentium M models)	PC2100 DDR SDRAM 200-pin non-parity SoDIMM (*)	266MHz	2GB
R50e	PC2700 DDR-333 SODIMM	333MHz	2GB
R50, R50p	PC2700 DDR-333 SODIMM Note: PC2100 is supported at 266MHz	333MHz	2GB
R51	PC2700 DDR-333 SODIMM	333MHz	2GB
R52	PC2-4200 DDR2-533 SODIMM	533MHz	2GB
R60, R60e	PC2-5300 DDR2-667 SODIMM	667MHz	3GB
R61	PC2-5300 DDR2-667 SODIMM	667 MHz	4GB (**)
R400, R500	PC3-8500 DDR3-1066 SODIMM	1066 MHz	4GB

Back to top

ThinkPad	Memory description	Memory speed	Maximum memory size
Edge 11	PC3-10600 DDR3-1333 SODIMM	1333 Mhz	4GB
Edge 13 (AMD models - Machine Types: 0197)	PC2-5300 DDR2-667 SODIMM	667 MHz	4GB
Edge 13 (AMD or Intel models - Machine Types: 0217, 0221, 0250)	PC3-10600 DDR3-1333 SODIMM	1333 Mhz	4GB
Edge 13 (Intel models - Machine Types: 0196, 0492)	PC3-8500 DDR3-1066 or PC3-10600 DDR3-1333 SODIMM	1066 MHz or 1333 Mhz	4GB using 1066 MHz or 8GB using 1333 Mhz
Edge 14, Edge 15	PC3-8500 DDR3-1066 or PC3-10600 DDR3-1333 SODIMM	1066 MHz or 1333 Mhz	4GB using 1066 MHz or 8GB using 1333 Mhz
Edge E220s	PC3-10600 DDR3-1333 SODIMM	1333 Mhz	1 SODIMM slot - 4GB
Edge E420s, E420, E520	PC3-10600 DDR3-1333 SODIMM	1333 Mhz	2 SODIMM slots - 8GB
SL300, SL400, SL500	PC2-5300 DDR2-667 SODIMM	667 MHz	4GB
L410, L510	PC3-8500 DDR3-1066 or PC3-10600 DDR3-1333 SODIMM	1066 MHz or 1333 Mhz	8GB
L412, L420, L421, L512, L520	PC3-10600 DDR3-1333 SODIMM	1333 Mhz	8GB
SL410, SL510	PC3-8500 DDR3-1066 or PC3-10600 DDR3-1333 SODIMM	1066 MHz or 1333 Mhz	8GB

Back to top

ThinkPad T-Series	Memory description	Memory speed	Maximum memory size
T40, T40p	PC2100 DDR-266 SODIMM (*)	266MHz	2GB
T41, T41p, T42, T42p	PC2700 DDR-333 SODIMM Note: PC2100 is supported at 266MHz (*)	333MHz	2GB
T43, T43p	PC2-4200 DDR2-533 SODIMM	533MHz	2GB
T60, T60p, T61	PC2-5300 DDR2-667 SODIMM	667 MHz	4GB (**)
T400, T400s, T500	PC3-8500 DDR3-1066 SODIMM	1066 Mhz	8GB
T410, T410i, T410s, T410si, T510, T510i	PC3-8500 DDR3-1066 or PC3-10600 DDR3-1333 SODIMM	1066 Mhz or 1333 Mhz	8GB
T420, T420s, T520	PC3-10600 DDR3-1333 SODIMM	1333 Mhz	8GB

Back to top

ThinkPad W-Series	Memory description	Memory speed	Maximum memory size
W500	PC3-8500 DDR3-1066 SODIMM	1066 Mhz	8GB
W510	PC3-8500 DDR3-1066 or PC3-10600 DDR3-1333 SODIMM	1066 Mhz or 1333 Mhz	16GB
W520	PC3-10600 DDR3-1333 SODIMM	1333 Mhz	16GB
W700, W700ds	PC3-8500 DDR3-1066 SODIMM	1066 Mhz	8GB
W701, W701ds	PC3-8500 DDR3-1066 or PC3-10600 DDR3-1333 SODIMM	1066 Mhz or 1333 Mhz	16GB

Back to top

ThinkPad X-Series	Memory description	Memory speed	Maximum memory size
X30	PC133 SDRAM SoDIMM	133MHz	1GB
X31	PC2100 DDR SDRAM SoDIMM (*)	266MHz	1GB
X32	PC2100 or PC2700 DDR SDRAM 200-pin non-parity SoDIMM	266MHz	2GB
X40	PC2700 DDR SDRAM 200-pin non-parity SoDIMM Note: PC2100 is supported at 266MHz (*)	333MHz	1280MB
X41, X41Tablet	PC2-4200 DDR2-533 SODIMM	533MHz	1.5GB
X60, X60s	PC2-5300 DDR2-667 SODIMM	667MHz	2GB
X61, X61s, X60 Tablet, X61 Tablet	PC2-5300 DDR2-667 SODIMM	667MHz	4GB (**)
X100e	PC2-5300 DDR2-667 SODIMM	667MHz	4GBh
X120e	PC3-10600 DDR3-1333 SODIMM	1333 Mhz	4GB
X200, X200s, X200t, X200 Tablet	PC3-8500 DDR3-1066 SODIMM -1GB, 2GB only	1066 Mhz	4GB
X201, X201i, X201s, X200t, X201 Tablet	PC3-8500 DDR3-1066 or PC3-10600 DDR3-1333 SODIMM	1066Mhz or 1333Mhz	4GB
X220, X220t, X220 Tablet	PC3-10600 DDR3-1333 SODIMM	1333 Mhz	2 SODIMM slots - 8GB
X300	PC2-5300 DDR2-667 SODIMM	667 MHz
X301	PC3-8500 DDR3-1066 SODIMM -1GB, 2GB only	1066 Mhz	4GB

Back to top

ThinkPad Z-Series	Memory description	Memory speed	Maximum memory size
Z60m, Z60t	PC2-4200 DDR2-533 SODIMM	533MHz	2GB
Z61e, Z61m, Z61p, Z61t	PC2-5300 DDR2-667 SODIMM	667MHz	3GB

Back to top

Lenovo 3000 Notebooks
Lenovo 3000 Notebooks	Memory description	Memory speed	Maximum memory size
C100	PC2-4200 DDR2-533 SODIMM	533MHz	2GB
C200, N100, V100	PC2-5300 DDR2-667 SODIMM	667MHz	2GB
G500, N200, N500, V200	PC2-5300 DDR2-667 SODIMM	667MHz	4GB (**)

Back to top

IdeaPad Notebooks
IdeaPad	Memory description	Memory speed	Maximum memory size
S9, S9e, S10, S10e	PC2-5300 DDR2-667 SODIMM	667MHz	1.5GB

Notes:

(*) PC2100 memory option parts are no longer available. Please substitute the corresponding PC2700 memory option parts.
(**) Windows Vista supports up to 4GB maximum memory (32-bit versions of Windows Vista cannot support 4GB). Windows XP supports up to 3GB maximum memory

Back to top

Older ThinkPad systems
ThinkPad	Memory description	Memory speed	Maximum memory size
i Series 1200, 1300	PC100 SDRAM 144-pin non-parity SoDIMM	100MHz	192MB
390, 390E	SDRAM 144-pin non-parity SoDIMM	66MHz	256MB
390X	PC100 SDRAM 144-pin non-parity SoDIMM	100MHz	512MB
570	SDRAM 144-pin non-parity SoDIMM	66MHz	192MB
570E	PC100 SDRAM 144-pin non-parity SoDIMM	100MHz	320MB
600, 600E	SDRAM 144-pin non-parity SoDIMM	66MHz	288MB
600X	PC100 SDRAM 144-pin non-parity SoDIMM	100MHz	576MB
770, 770E, 770ED	SDRAM 144-pin non-parity SoDIMM	66MHz	288MB
770X, 770Z	SDRAM 144-pin non-parity SoDIMM	66MHz	320MB

Back to top

Purchase parts online

If you are unable to find what you are looking for, please do try the following options:
1. Lenovo Assisted Search
2. Product usage and general troubleshooting tips
3. Lenovo Support Forum
4. Technical Support Call Centre

Country Availability
Available	Worldwide

Document ID : PD014527
Legacy Document ID : MIGR-55644
Last Updated :

Select Task

	Drivers & Software
	Guides & Manuals
	Diagnose & Fix
	Warranty & Services
	Parts
	Accessories

ADDITIONAL RESOURCES

Driver Matrix

COMMUNITY

	Community KnowledgeBase
	Community Forums