diff --git a/BACKEND/app/ultils/helper.ts b/BACKEND/app/ultils/helper.ts
index d8c18a1..42efa7c 100644
--- a/BACKEND/app/ultils/helper.ts
+++ b/BACKEND/app/ultils/helper.ts
@@ -1457,13 +1457,19 @@ export async function checkStationActive(stationId: string): Promise<boolean> {
 export function isRamSufficient(deviceRam: string, defaultRamLimit: string): boolean {
   if (!defaultRamLimit || !deviceRam) return false
 
+  // ---- Parse + cộng tất cả phần RAM của device ----
   const parts = deviceRam.split('/')
-  if (parts.length === 0) return false
+  let deviceRamKB = 0
 
-  const totalRamStr = parts[0].trim() // lấy phần total (thường là trước dấu '/')
-  const totalRamKB = convertToKilobytes(totalRamStr)
+  for (const part of parts) {
+    const trimmed = part.trim()
+    deviceRamKB += convertToKilobytes(trimmed)
+  }
+
+  // ---- Parse RAM mặc định ----
   const defaultRamKB = convertToKilobytes(defaultRamLimit)
-  return totalRamKB >= defaultRamKB
+
+  return deviceRamKB >= defaultRamKB
 }
 
 export function convertToKilobytes(input: string): number {
@@ -1526,21 +1532,11 @@ async function loadKeywordRules(log: string): Promise<KeywordRule[]> {
 
 export function convertFromKilobytesString(input: string, decimals = 0): string {
   if (!input) return '0 KB'
+
   const parts = input.split('/')
-  if (parts.length === 0) return ''
+  if (parts.length === 0) return '0 KB'
 
-  const totalRamStr = parts[0].trim()
-  const trimmed = totalRamStr.trim().toUpperCase()
-
-  // Bắt dạng: 491520K, 1024KB, 1M, 1.5G, 2T
-  const match = trimmed.match(/^([\d.]+)\s*(K|M|G|T)?B?$/)
-
-  if (!match) return '0 KB'
-
-  const value = Number.parseFloat(match[1])
-  const unit = match[2] || 'K'
-
-  // Quy tất cả về KB
+  // ---- Step 1: parse + cộng tất cả về KB ----
   const toKB: Record<string, number> = {
     K: 1,
     M: 1024,
@@ -1548,16 +1544,31 @@ export function convertFromKilobytesString(input: string, decimals = 0): string
     T: 1024 ** 3,
   }
 
-  let kilobytes = value * toKB[unit]
+  let totalKB = 0
 
-  // ---- Convert KB -> đơn vị đẹp nhất ----
+  for (const part of parts) {
+    const trimmed = part.trim().toUpperCase()
+    const match = trimmed.match(/^([\d.]+)\s*(K|M|G|T)?B?$/)
+
+    if (!match) continue
+
+    const value = Number.parseFloat(match[1])
+    const unit = match[2] || 'K'
+
+    totalKB += value * toKB[unit]
+  }
+
+  if (totalKB === 0) return '0 KB'
+
+  // ---- Step 2: convert KB -> đơn vị đẹp nhất ----
   const units = ['KB', 'MB', 'GB', 'TB']
   let unitIndex = 0
+  let displayValue = totalKB
 
-  while (kilobytes >= 1024 && unitIndex < units.length - 1) {
-    kilobytes /= 1024
+  while (displayValue >= 1024 && unitIndex < units.length - 1) {
+    displayValue /= 1024
     unitIndex++
   }
 
-  return `${kilobytes.toFixed(decimals)} ${units[unitIndex]}`
+  return `${displayValue.toFixed(decimals)} ${units[unitIndex]}`
 }
diff --git a/FRONTEND/src/untils/helper.ts b/FRONTEND/src/untils/helper.ts
index aa8470e..e9517d2 100644
--- a/FRONTEND/src/untils/helper.ts
+++ b/FRONTEND/src/untils/helper.ts
@@ -202,21 +202,11 @@ export function convertFromKilobytesString(
   decimals = 0
 ): string {
   if (!input) return "0 KB";
+
   const parts = input.split("/");
-  if (parts.length === 0) return "";
+  if (parts.length === 0) return "0 KB";
 
-  const totalRamStr = parts[0].trim();
-  const trimmed = totalRamStr.trim().toUpperCase();
-
-  // Bắt dạng: 491520K, 1024KB, 1M, 1.5G, 2T
-  const match = trimmed.match(/^([\d.]+)\s*(K|M|G|T)?B?$/);
-
-  if (!match) return "0 KB";
-
-  const value = Number.parseFloat(match[1]);
-  const unit = match[2] || "K";
-
-  // Quy tất cả về KB
+  // ---- Step 1: parse + cộng tất cả về KB ----
   const toKB: Record<string, number> = {
     K: 1,
     M: 1024,
@@ -224,16 +214,31 @@ export function convertFromKilobytesString(
     T: 1024 ** 3,
   };
 
-  let kilobytes = value * toKB[unit];
+  let totalKB = 0;
 
-  // ---- Convert KB -> đơn vị đẹp nhất ----
+  for (const part of parts) {
+    const trimmed = part.trim().toUpperCase();
+    const match = trimmed.match(/^([\d.]+)\s*(K|M|G|T)?B?$/);
+
+    if (!match) continue;
+
+    const value = Number.parseFloat(match[1]);
+    const unit = match[2] || "K";
+
+    totalKB += value * toKB[unit];
+  }
+
+  if (totalKB === 0) return "0 KB";
+
+  // ---- Step 2: convert KB -> đơn vị đẹp nhất ----
   const units = ["KB", "MB", "GB", "TB"];
   let unitIndex = 0;
+  let displayValue = totalKB;
 
-  while (kilobytes >= 1024 && unitIndex < units.length - 1) {
-    kilobytes /= 1024;
+  while (displayValue >= 1024 && unitIndex < units.length - 1) {
+    displayValue /= 1024;
     unitIndex++;
   }
 
-  return `${kilobytes.toFixed(decimals)} ${units[unitIndex]}`;
+  return `${displayValue.toFixed(decimals)} ${units[unitIndex]}`;
 }