Need help with RAM

Aug 13, 2018
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Hello I just got in to computer gaming with a budget z220 workstation and I was looking for help with RAM.
I have this computer: https://support.hp.com/us-en/product/hp-z220-small-form-factor-workstation/5260568/model/5260573/document/c03386950

It takes ddr3 12800U 1600. I have 8gb(2x4gb) of Hynix HMT351U6CFR8C-PB in it currently and I wanted to upgrade to 16gb. So I was wondering:
1. Can I buy any of the same model number or do I have to match the 11-12-B1 that's on the sticker?
2. At the end it says 1304 which I looked up as the year and week it was manufactured, does that matter?
3. It has different countries listed on the sticker, some say China #, Korea # or SK #. Do those matter or will they work if I just buy 2 more 4gb sticks?
 
Solution
1. You can any of the specs as long as they are DDR3 Non-ECC Memory type. Timings and CL can differ.
2. Manufacturing year and date does not matter. Most vendors will sell it of the latest, and moreover with warranty that will allow you to get it replaced without charge.
3. You can buy memory regardless of the place it was manufactured from. You can add a single 8GB stick as well, instead of 2 x 4GB sticks. They will work without any issues.

Refer below link for HP Z220 compatible memory spec:

https://www.memorystock.com/memory/HewlettPackardZ220WorkstationSFFCMT.html
1. You can any of the specs as long as they are DDR3 Non-ECC Memory type. Timings and CL can differ.
2. Manufacturing year and date does not matter. Most vendors will sell it of the latest, and moreover with warranty that will allow you to get it replaced without charge.
3. You can buy memory regardless of the place it was manufactured from. You can add a single 8GB stick as well, instead of 2 x 4GB sticks. They will work without any issues.

Refer below link for HP Z220 compatible memory spec:

https://www.memorystock.com/memory/HewlettPackardZ220WorkstationSFFCMT.html
 
Solution