PC3-8500

NOTE! As PC3-8500 is getting increasingly difficult to acquire, PC3-12800 can be used instead. Using PC3-12800 may or may not increase the performance of your model, as some models may underclock it to their respective original DRAM speeds. PC3-8500 This is DDR3 SDRAM at 1066 MT/s in a 204-pin SO-DIMM form-factor. DDR3-1066 may also be interchangeably referred to as PC3-8500.

Available DRAM modules from Lenovo

DDR3 type	Individual / Single-Pack Option Marketing Part Number	25-Pack Option Marketing Part Number	Field Replacement Unit (FRU) Service Part Number
Non-ECC, unbuffered 2Rx16 1GB PC3-8500 CL7	43R1988, 55Y3706	51J0551, 57Y4385	43R1989, 55Y3712
Non-ECC, unbuffered 2Rx16 2GB PC3-8500 CL7	43R1987, 55Y3707	51J0552, 57Y4386	43R1969, 55Y3713
Non-ECC, unbuffered 2Rx8 4GB PC3-8500 CL7	51J0493, 55Y3708	N/A	51J0494, 55Y3714

Taken from Lenovo, Memory compatibility - Notebooks.

Models that support this technology

Models	Soldered on motherboard	SO-DIMM Slot 1	SO-DIMM Slot 2	Official Max-Memory	Unofficial Max-Memory
W700, W700ds	N/A	Occupied	Depends	8GB1	8GB1
W500, W510 (w/ dual-core CPU)	N/A	Occupied	Depends	8GB1	8GB1
T500, T510, T510i	N/A	Occupied	Depends	8GB1	8GB1
T410, T410i, T410s, T410si	N/A	Occupied	Depends	8GB1	8GB1
T400, T400s	N/A	Occupied	Depends	8GB1	8GB1
X301	N/A	Occupied	Depends	4GB	8GB1
X201 Tablet, X201i Tablet	N/A	Occupied	Depends	4GB	8GB1
X201, X201i, X201s, X201si	N/A	Occupied	Depends	4GB	8GB1
X200, X200s, X200 Tablet	N/A	Occupied	Depends	4GB	8GB1
L410, L412, L510, L512	N/A	Occupied	Depends	8GB1	8GB1
SL410, SL510	N/A	Occupied	Depends	8GB1	8GB1
R400, R500	N/A	Occupied	Depends	4GB	8GB1

FOOTNOTES [Δ]

1. Attained via two 2Rx8 4GB DDR3 non-ECC SO-UDIMMs, not possible with 1Rx8 4GB DDR3 non-ECC SO-UDIMMs.

Available DRAM modules from other companies

Manufacturer	Partnumber	Description	Tested on model
TBD	TBD	TBD	TBD