Question 1

Is this compatible with a 21.5 iMac mid 2011 model? I don't see any reason why it wouldnt but I figured I'd be safe and ask.

Accepted Answer

I couldn't say for sure, as I've never owned a Mac-lap. But the Muskin memory is good quality. I've run their dimms both in home-built pcs and in multiple Dell Precision workstation replacement laptops. The one time I had an issue with a Mushkin product was with an SSD drive, and Muskin replaced it in a timely fashion. Enable auto-detection, and if you have problems with the dimms' performance, try inputting the recommended timings in CMOS.  -MCB

Question 2

Purchased this RAM trying to add RAM to max of 2X4GB for an HP Elitebook 2540p that has 2X2GB now. Only causes constant restarts--never boots up. Had to reinstall old RAM with no problems.

Is this the wrong memory or defective modules? (Used New Egg's finder.)

Accepted Answer

such a late response, but here it is.. for your computer specific
Standard: DDR3 PC3-10600 SDRAM (1333 MHz)* Two SODIMM slots supporting dual-channel memory 1024MB, 2048MB and 4096MB SODIMMs.

Maximum Upgradeable to 8192MB with 4096MB SODIMMs in slots 1 and 2.

Dual-channel Maximized dual-channel performance requires SODIMMs of the same size and speed in both memory channels.

NOTE: * Memory bus runs at a maximum of 1066 MHz.

Question 3

Is this compatible with a 2014 toshiba satellite C55 laptop?

Accepted Answer

Without knowing which model C55 you have since that model can have anything from a Celeron to a Core i7 this is more of a stab in the dark. I would say it should since the C55 line does run on DDR3 and the Mushkin RAM you chose is dual channel it would expect you would be fine.

Have been a Mushkin Dealer for over 20 years now. Their RAM excellent and their customer service is even better. If there is a compatibility issue, just contact Mushkin and they will swap the RAM for you so it won’t be an issue.

All the best.

Question 4

Will this work with a 21.5in. Mid 2010 iMac?

Accepted Answer

I cannot say for sure, but I doubt the memory DIMMs are different for the different sized laptops. I used these in a similar 13 inch model.  I think they would work fine for you

Question 5

Will this work in my Hp Pavilion dv7-4157cl Notebook ?

Accepted Answer

By looking at what specs I could find about your laptop, it will support up to 8GB (2x4GB) DDR3-1333, 204 pin. So I offer a non-expert "yes." I doubled my memory on my Alienware M17X-R3, so I had to match the voltages. If you're completely replacing your exsisting memory, you should not have to worry about that.

Question 6

will this fit toshiba l655d laptop?   thanks

Accepted Answer

Yes. This switch should work with your laptop's 10/100 Mbps Ethernet port.

Question 7

Is the organization of this ram 256mx8?

Accepted Answer

2GB x 4

Brand	Mushkin Enhanced
Model	996647

Capacity	128MB
Type	204-Pin DDR3 SO-DIMM
Speed	DDR3 1333 (PC3 10666)
CAS Latency	CL9
Timing	9-9-9-24
Voltage	1.50V
ECC	No
Buffered/Registered	Unbuffered
Multi-channel Kit	Dual Channel Kit
Heat Spreader	No
Features	Compatible Timings This product is programmed to use timings that offer maximum compatibility with your system and original memory. Dual Channel Kit Engineered for dual-channel architecture. Compatible Frequency This product is engineered to operate at the optimum frequency for compatibility with your system.

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Mushkin Enhanced 128MB 204-Pin DDR3 SO-DIMM DDR3 1333 (PC3 10666) Dual Channel Kit Laptop Memory Model 996647

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