Update GPU-Cluster Requirements.md

Updated graphic-cards and system configuration.

GPU-Cluster Requirements.md

@@ -2,13 +2,13 @@
 
 ## Hardware Stack
 Currently planned node-configuration:
-- 2x Intel Xeon 6230 CPU
-- 192 GB RAM
+- 2x Intel Xeon Ice Lake CPU (26 cores, 2.20GHz)
+- 256 GB DDR4 RAM
 - 8 GPUs
 
-We are currently looking into two possible GPU configurations:
-- 80% SP / 20% DP GPUs (72x RTX 2080Ti / 16x V100)
-- 60% SP / 40% DP GPUs (48x RTX 2080Ti / 24x V100)
+We are currently looking into the following GPU configuration (80%SP/20%DP):
+- 9x 8 Nvidia RTX 3080 with 10GB GDDR6, 8704 CUDA cores (alternatively Nvidia Quadro RTX4000 with 8GB GDDR6, 2304 CUDA cores)
+- 2x 8 Nvidia A100 with 40GB HBM2
 
 ## Software Stack
 Currently planned: