Question 1

Is this considered non-ecc memory? I am looking  to get a good quality 1GB DDR2 Non-ECC SDRAM, 800MHz that will fit my Dell 755 Optiplex. I am running Windows 10 32 so the most it can handle is 4gb.

Accepted Answer

Recommend you call newegg. They have excellent tech support and tell you right away what you need. I installed these memory chips in an old Dell E510 and they work great.

Question 2

Is this memory single sided or double sided?  My mobo can handle a 16 chip config, but only if it is single sided (though I have never seen a single sided 16 chip mem stick).  Otherwise, it can handle a double sided 8 chip stick (Intel DP965LT mobo).

Accepted Answer

Hi Dan,  I did a little checking because I was thinking your understanding about "x16 organization did not sound correct and I found this: forums .devhardware .com/ pc-hardware-21/ double-sided-dimms-with-x16-organization-are-not-supported-103960 .html (you will have to remove the spaces to make it useful.  Essentially, I just did a search for "Double-sided DIMMs with x16 organization" and found the answer.  Please have a look.  At worst, you could buy it, try it and if it does not work, return it.  While that is not preferable, it might be the only option.  I looked long and hard to find a compatible memory set for those older machines and this was all I found and it works nicely.

Question 3

Can the protectors come off? Are they too close to each other when all are inserted?

Accepted Answer

The heat spreaders do not come off, however I put these in a small form factor hp, DC7900 I think is the model, and they fit quite well they are just a hair smaller than the ram slots, so they breath ok as well.

Question 4

Will these work with a Compaq Presario SR2038X Desktop?

Accepted Answer

Check Crucial's website (Newegg isn't allowing me to supply the link). Click on memory. Then click the system scanner. It's safe. I suggest the system scanner because the model you supplied doesn't seem to be on the list.

Brand	G.SKILL
Model	F2-6400CL5Q-4GBNQ

Capacity	4GB (4 x 1GB)
Speed	DDR2 800 (PC2 6400)
CAS Latency	CL5
Timing	5-5-5-15
Voltage	1.80V - 2.00V
ECC	No
Buffered/Registered	Unbuffered
Multi-channel Kit	Quad Channel Kit
Heat Spreader	Yes

G.SKILL 4GB (4 x 1GB) DDR2 800 (PC2 6400) Quad Channel Kit Desktop Memory Model F2-6400CL5Q-4GBNQ

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Item#: N82E16820231136