For Apple MacBook Professional “Core i5″ 2.3 13” Early 2011 Specs, concerning the RAM is indicated

Helps 1333 MHz PC3-10600 DDR3 SDRAM.

And for Apple MacBook Professional “Core i7″ 2.9 13” Mid-2012 Specs, concerning the RAM is indicated

Helps 1600 MHz PC3-12800 DDR3L SDRAM SO-DIMMs (204-pin).

For the latter was attainable do an improve from 8GB to 16GB. Due to this fact it confirms the next put up:

Now the previous laptop computer belongs to my uncle and it has at present 4GB and he desires do the respective improve. Due to this fact I would like give to him my two eliminated sticks. 8GB is sufficient for him.

The sticks have the next information of their stickers:

Hynix
4GB 2Rx8 PC3 - 12800S -11-11-F3
HMT351S6CFR8C-PB N0 AA 1235

Utilizing google the HMT351S6CFR8C-PB search time period exists the next:

The Determine proven is nearly the identical as my present sticks.
The mime has HMT351S6CFR8C-PB N0 AA 1235 and within the Determine has HMT351S6CFR8C-PB N0 AA 1228. Due to this fact observe 1235 vs 1228

Query

• Is feasible insert security the Hynix sticks into the Apple MacBook Professional "Core i5" 2.3 13" Early 2011?

However taking the next observations:

1. The speeds are completely different. The previous requests 1333MHZ and the sticks have 1600MHZ. I’m assuming a downgrade ought to occur in peace. Pls affirm whether it is right or not.
2. The previous requests DDR3 and the latter DDR3L. I do know that DDR3 can settle for DRR3L. Simply in case I would like your reconfirmation.

Further Query

The 2nd level is confuse as a result of the eliminated sticks have of their stickers PC3 and never PC3L. Moreover the Amazon’s hyperlink signifies that the stick is DDR3 too. Due to this fact for the latter MacBook Professional: how was attainable from the start that DDR3 labored in a slot requesting DDR3L? In accordance with my understanding it’s not attainable.