Can I use these two different ram sticks together?

Blip Blobit

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Apr 26, 2013
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They'll be running at the same frequency and are both 4 GB. one is from an old Lenovo OEM and one is from an old HP. I don't have a camera so i'll just type out whats written on the stickers.

Sticker from HP RAM - RAMAXEL 4GB 2RX8 PC3-10600U-999 HF
100280140
2011213J
RMR1870EC58E9F-1333

Sticker from Lenovo RAM - Hynix 4GB 2RX8 PC3-10600U-9-10-B0
HMT351U6BFR8C - H9 NO AA 1137
 

Blip Blobit

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Apr 26, 2013
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Thanks, they seem to be working fine in my system. BIOS and Windows are both recognizing them.