diff --git a/data/grid5000/sites/sophia/clusters/esterel33/esterel33.json b/data/grid5000/sites/sophia/clusters/esterel33/esterel33.json
index f7c15265f2fcb769d3375aaaa3ae3663795366fc..7cdc546f0092ce9ca11a134ac63f3e3767b97eb3 100644
--- a/data/grid5000/sites/sophia/clusters/esterel33/esterel33.json
+++ b/data/grid5000/sites/sophia/clusters/esterel33/esterel33.json
@@ -80,7 +80,7 @@
   ],
   "model": "Dell PowerEdge R7525",
   "nodes_count": 1,
-  "nodes_description": "2 CPUs AMD EPYC 7282, 16 cores/CPU, 2 GPUs A40, 256GB RAM, 446GB SSD, 2679GB SSD, 1 x 1Gb Ethernet, 1 x 40Gb InfiniBand",
+  "nodes_description": "2 CPUs AMD EPYC 7282, 16 cores/CPU, 3 GPUs A40, 256GB RAM, 446GB SSD, 2679GB SSD, 1 x 1Gb Ethernet, 1 x 20Gb InfiniBand",
   "priority": 202205,
   "queues": [
     "admin",
diff --git a/data/grid5000/sites/sophia/clusters/esterel33/nodes/esterel33-1.json b/data/grid5000/sites/sophia/clusters/esterel33/nodes/esterel33-1.json
index cd1fe56cb52155c0660617416918859d9ae31c7a..a562380da2326db7b6cbe0fd210689d741e15c21 100644
--- a/data/grid5000/sites/sophia/clusters/esterel33/nodes/esterel33-1.json
+++ b/data/grid5000/sites/sophia/clusters/esterel33/nodes/esterel33-1.json
@@ -24,7 +24,7 @@
     "nvidia0": {
       "compute_capability": "8.6",
       "cores": 10752,
-      "cpu_affinity": 1,
+      "cpu_affinity": 0,
       "device": "/dev/nvidia0",
       "memory": 48305799168,
       "microarchitecture": "Ampere",
@@ -54,6 +54,23 @@
       "power_default_limit": "300.00 W",
       "vbios_version": "94.02.5C.00.03",
       "vendor": "Nvidia"
+    },
+    "nvidia2": {
+      "compute_capability": "8.6",
+      "cores": 10752,
+      "cpu_affinity": 1,
+      "device": "/dev/nvidia2",
+      "memory": 48305799168,
+      "microarchitecture": "Ampere",
+      "model": "A40",
+      "performance": {
+        "fp-16": 37420000000000,
+        "fp-32": 37420000000000,
+        "fp-64": 584600000000
+      },
+      "power_default_limit": "300.00 W",
+      "vbios_version": "94.02.5C.00.03",
+      "vendor": "Nvidia"
     }
   },
   "main_memory": {
@@ -205,7 +222,7 @@
       "name": "ib0",
       "netmask": "255.255.240.0",
       "network_address": "esterel33-1-ib0.sophia.grid5000.fr",
-      "rate": 40000000000,
+      "rate": 20000000000,
       "vendor": "Mellanox Technologies"
     },
     {
diff --git a/input/grid5000/sites/sophia/clusters/esterel33/nodes/esterel33-1.yaml b/input/grid5000/sites/sophia/clusters/esterel33/nodes/esterel33-1.yaml
index 999832d24ec00e876ae71e7e93cc6078a812dd51..e4029587ef250ee10a8caaff121f51bc83955365 100644
--- a/input/grid5000/sites/sophia/clusters/esterel33/nodes/esterel33-1.yaml
+++ b/input/grid5000/sites/sophia/clusters/esterel33/nodes/esterel33-1.yaml
@@ -18,7 +18,7 @@ esterel33-1:
     serial: BZLF4F3
   gpu_devices:
     nvidia0:
-      cpu_affinity: 1
+      cpu_affinity: 0
       device: "/dev/nvidia0"
       memory: 48305799168
       model: A40
@@ -33,6 +33,14 @@ esterel33-1:
       power_default_limit: 300.00 W
       vbios_version: 94.02.5C.00.03
       vendor: Nvidia
+    nvidia2:
+      cpu_affinity: 1
+      device: "/dev/nvidia2"
+      memory: 48305799168
+      model: A40
+      power_default_limit: 300.00 W
+      vbios_version: 94.02.5C.00.03
+      vendor: Nvidia
   main_memory:
     ram_size: 274877906944
   memory_devices:
@@ -123,7 +131,7 @@ esterel33-1:
       management: false
       model: MT27800 Family [ConnectX-5]
       name: ib0
-      rate: 40000000000
+      rate: 20000000000
       vendor: Mellanox Technologies
   operating_system:
     cstate_driver: acpi_idle