diff --git a/src/Constants.ts b/src/Constants.ts
index ea6ea6a12..355fc3b04 100644
--- a/src/Constants.ts
+++ b/src/Constants.ts
@@ -104,10 +104,11 @@ export let CONSTANTS: IMap<any> = {
     NumNetscriptPorts:              20,
 
     //Server constants
-    ServerBaseGrowthRate: 1.03,     //Unadjusted Growth rate
-    ServerMaxGrowthRate: 1.0035,    //Maximum possible growth rate (max rate accounting for server security)
-    ServerFortifyAmount: 0.002,     //Amount by which server's security increases when its hacked/grown
-    ServerWeakenAmount: 0.05,       //Amount by which server's security decreases when weakened
+    HomeComputerMaxRam: 1073741824, // 2 ^ 30
+    ServerBaseGrowthRate: 1.03,     // Unadjusted Growth rate
+    ServerMaxGrowthRate: 1.0035,    // Maximum possible growth rate (max rate accounting for server security)
+    ServerFortifyAmount: 0.002,     // Amount by which server's security increases when its hacked/grown
+    ServerWeakenAmount: 0.05,       // Amount by which server's security decreases when weakened
 
     PurchasedServerLimit: 25,
     PurchasedServerMaxRam: 1048576, //2^20
@@ -506,40 +507,8 @@ export let CONSTANTS: IMap<any> = {
 
     LatestUpdate:
     `
-     v0.42.0
-     * Corporation Changes:
-     ** Corporation can now be self-funded with $150b or using seed money in exchange for 500m newly-issued shares
-     ** In BitNode-3, you no longer start with $150b
-     ** Changed initial market prices for many materials
-     ** Changed the way a material's demand, competition, and market price change over time
-     ** The sale price of materials can no longer be marked-up as high
-     ** Added a Research Tree mechanic. Spend Scientific Research on permanent upgrades for each industry
-     ** You can now redistribute earnings to shareholders (including yourself) as dividends
-     ** Cost of "Smart Supply" upgraded reduced from $50b to $25b
-     ** Now has offline progress, which works similarly to the Gang/Bladeburner mechanics
-     ** Slightly reduced the amount of money offered to you by investment firms
-     ** Employee salaries now slowly increase over time
-     ** Slightly reduced the effect "Real Estate" has on the Production Multiplier for the Agriculture industry
-     ** Changed the way your Corporation's value is calculated (this is what determines stock price)
-     ** After taking your corporation public, it is now possible to issue new shares to raise capital
-     ** Issuing new shares can only be done once every 12 hours
-     ** Buying back shares must now be done at a premium
-     ** Selling shares can now only be done once per hour
-     ** Selling large amounts of shares now immediately impacts stock price (during the transaction)
-     ** Reduced the initial cost of the DreamSense upgrade from $8b to $4b, but increased its price multiplier
-     ** Reduced the price multiplier for ABC SalesBots upgrade
-
-     * Added getOrders() Netscript function to the TIX API
-     * Added getAugmentationPrereq() Singularity function (by havocmayhem)
-     * Added hackAnalyzePercent() and hackAnalyzeThreads() Netscript functions
-     * Stock Market, Travel, and Corporation main menu links are now properly styled
-     * Many pop-up/dialog boxes now support the 'Enter' and 'Esc' hotkeys. If you find a pop-up/dialog box that doesnt support this, let me know specifically which one ('Enter' for the default option, 'Esc' for cancelling and closing the pop-up box)
-     * Added "brace_style = preserve_inline" configuration to Script Editor Beautifier
-     * ServerProfiler.exe can now be purchased from the Dark Web
-     * Added an option to copy save data to clipboard
-     * Added total multiplier information on the "Augmentations" page
-     * Bug Fix: gymWorkout() Singularity function should now work properly with Millenium Fitness Gym
-     * Began migrating gameplay information to the ReadTheDocs documentation
-     `
+    v0.43.0
+    * Home Computer RAM is now capped at 2 ^ 30 GB (1073741824 GB)
+    `
 
 }
diff --git a/src/NetscriptFunctions.js b/src/NetscriptFunctions.js
index 0bd160870..6f90ddde0 100644
--- a/src/NetscriptFunctions.js
+++ b/src/NetscriptFunctions.js
@@ -2992,16 +2992,20 @@ function NetscriptFunctions(workerScript) {
                 }
             }
 
-            const cost = Player.getUpgradeHomeRamCost();
+            // Check if we're at max RAM
+            const homeComputer = Player.getHomeComputer();
+            if (homeComputer.maxRam >= CONSTANTS.HomeComputerMaxRam) {
+                workerScript.log(`ERROR: upgradeHomeRam() failed because your home computer is at max RAM`);
+                return false;
+            }
 
+            const cost = Player.getUpgradeHomeRamCost();
             if (Player.money.lt(cost)) {
                 workerScript.scriptRef.log("ERROR: upgradeHomeRam() failed because you don't have enough money");
                 return false;
             }
 
-            var homeComputer = Player.getHomeComputer();
             homeComputer.maxRam *= 2;
-
             Player.loseMoney(cost);
 
             Player.gainIntelligenceExp(CONSTANTS.IntelligenceSingFnBaseExpGain);
diff --git a/src/ServerPurchases.js b/src/ServerPurchases.js
index 18915770b..39bd22527 100644
--- a/src/ServerPurchases.js
+++ b/src/ServerPurchases.js
@@ -58,9 +58,14 @@ function purchaseRamForHomeComputer(cost) {
         return;
     }
 
-    var homeComputer = Player.getHomeComputer();
-    homeComputer.maxRam *= 2;
+    const homeComputer = Player.getHomeComputer();
+    if (homeComputer.maxRam >= CONSTANTS.HomeComputerMaxRam) {
+        dialogBoxCreate(`You cannot upgrade your home computer RAM because it is at its maximum possible value`);
+        return;
+    }
 
+
+    homeComputer.maxRam *= 2;
     Player.loseMoney(cost);
 
     dialogBoxCreate("Purchased additional RAM for home computer! It now has " + homeComputer.maxRam + "GB of RAM.");