diff --git a/docs/miners/supported_types.md b/docs/miners/supported_types.md
index 27a35437..fdd2df28 100644
--- a/docs/miners/supported_types.md
+++ b/docs/miners/supported_types.md
@@ -90,6 +90,7 @@ details {
                 </details>
                 <details>
                     <summary><a href="../whatsminer/M3X/#m31s">M31S</a></summary>
+                    <summary><a href="../whatsminer/M3X/#m31sv70">M31SV70</a></summary>
                 </details>
                 <details>
                     <summary><a href="../whatsminer/M3X/#m31s_1">M31S+</a></summary>
diff --git a/docs/miners/whatsminer/M3X.md b/docs/miners/whatsminer/M3X.md
index c8b72b7f..42cac1d5 100644
--- a/docs/miners/whatsminer/M3X.md
+++ b/docs/miners/whatsminer/M3X.md
@@ -108,6 +108,14 @@
 
 ## M31S
 
+::: pyasic.miners.whatsminer.btminer.M3X.M31S.BTMinerM31S
+    handler: python
+    options:
+        show_root_heading: false
+        heading_level: 4
+
+## M31SV70
+
 ::: pyasic.miners.whatsminer.btminer.M3X.M31S.BTMinerM31S
     handler: python
     options:
diff --git a/pyasic/miners/_types/whatsminer/M3X/M31S.py b/pyasic/miners/_types/whatsminer/M3X/M31S.py
index 1ef75ebc..8933799f 100644
--- a/pyasic/miners/_types/whatsminer/M3X/M31S.py
+++ b/pyasic/miners/_types/whatsminer/M3X/M31S.py
@@ -20,5 +20,14 @@ class M31S(BaseMiner):  # noqa - ignore ABC method implementation
         super().__init__()
         self.ip = ip
         self.model = "M31S"
-        # TODO: Add chip count for this miner (per board) - self.nominal_chips
+        self.nominal_chips = 111
+        self.fan_count = 2
+
+
+class M31SV70(BaseMiner):  # noqa - ignore ABC method implementation
+    def __init__(self, ip: str):
+        super().__init__()
+        self.ip = ip
+        self.model = "M31S V70"
+        self.nominal_chips = 111
         self.fan_count = 2
diff --git a/pyasic/miners/_types/whatsminer/M3X/__init__.py b/pyasic/miners/_types/whatsminer/M3X/__init__.py
index 0e42bb30..331ee054 100644
--- a/pyasic/miners/_types/whatsminer/M3X/__init__.py
+++ b/pyasic/miners/_types/whatsminer/M3X/__init__.py
@@ -20,7 +20,7 @@ from .M30S_Plus_Plus import (
     M30SPlusPlusVG40,
     M30SPlusPlusVH60,
 )
-from .M31S import M31S
+from .M31S import M31S, M31SV70
 from .M31S_Plus import (
     M31SPlus,
     M31SPlusV30,
diff --git a/pyasic/miners/miner_factory.py b/pyasic/miners/miner_factory.py
index 232c459c..523a0ac1 100644
--- a/pyasic/miners/miner_factory.py
+++ b/pyasic/miners/miner_factory.py
@@ -194,6 +194,7 @@ MINER_CLASSES = {
     "M31S": {
         "Default": BTMinerM31S,
         "BTMiner": BTMinerM31S,
+        "V70": BTMinerM31SV70,
     },
     "M31S+": {
         "Default": BTMinerM31SPlus,
diff --git a/pyasic/miners/whatsminer/btminer/M3X/M31S.py b/pyasic/miners/whatsminer/btminer/M3X/M31S.py
index 6a1382bf..ac9a157d 100644
--- a/pyasic/miners/whatsminer/btminer/M3X/M31S.py
+++ b/pyasic/miners/whatsminer/btminer/M3X/M31S.py
@@ -13,10 +13,16 @@
 #  limitations under the License.
 
 from pyasic.miners._backends import BTMiner  # noqa - Ignore access to _module
-from pyasic.miners._types import M31S  # noqa - Ignore access to _module
+from pyasic.miners._types import M31S, M31SV70  # noqa - Ignore access to _module
 
 
 class BTMinerM31S(BTMiner, M31S):
     def __init__(self, ip: str) -> None:
         super().__init__(ip)
         self.ip = ip
+
+
+class BTMinerM31SV70(BTMiner, M31SV70):
+    def __init__(self, ip: str) -> None:
+        super().__init__(ip)
+        self.ip = ip
diff --git a/pyasic/miners/whatsminer/btminer/M3X/__init__.py b/pyasic/miners/whatsminer/btminer/M3X/__init__.py
index 6204adbe..02b69e3e 100644
--- a/pyasic/miners/whatsminer/btminer/M3X/__init__.py
+++ b/pyasic/miners/whatsminer/btminer/M3X/__init__.py
@@ -31,7 +31,7 @@ from .M30S_Plus_Plus import (
     BTMinerM30SPlusPlusVG40,
     BTMinerM30SPlusPlusVH60,
 )
-from .M31S import BTMinerM31S
+from .M31S import BTMinerM31S, BTMinerM31SV70
 from .M31S_Plus import (
     BTMinerM31SPlus,
     BTMinerM31SPlusV30,