Re: Two 970 in SLi, next topic.
It would work in SLI. The letters at the end are a reference to the warranty on the card: https://forums.evga.com/Suffixes-of-the-Model-Number-m200963.aspx
The length of the Limited Warranty is determined by Product according to the suffix associated with each Product's identification number as set forth below and will be measured beginning from the date of purchase:
- 3 Year Standard Limited Warranty Product Suffixes: -A1, -A2, -A3, -A4, -AR, -AX, -CR, -CX, -DX, -FR, -FX, -SG, -SX, -KR, -K1, -K2, -K3, -K4, -K5 -KB, -KA, -KF, -KM
- 2 Year Standard Limited Warranty Product Suffixes: -LA, -LE, -LR, -L1, -LX, -T1, -T2, -TR, -TX
- 1 Year Standard Limited Warranty Product Suffixes: -B1, -BR, -BX, -DR, -RX
- 90 Day Standard Limited Warranty Product Suffix: -RB