Standard_B4ms
Standard_B4ms is an Azure VM size with 4 vCPUs, 16 GiB memory (Intel Xeon Platinum 8370C (Ice Lake), Intel Xeon Platinum 8272CL (Cascade Lake), Intel Xeon 8171M (Skylake), Intel Xeon E5-2673 v4 (Broadwell), Intel Xeon E5-2673 v3 (Haswell)). In East US it costs $0.166 per hour on demand ($121.18 per month) for Linux. It is sold in 58 regions.
Prices by region
USD per hour, Linux. Reserved prices are no upfront, standard. Cheapest on-demand first.
| Region | On-demand | 1-yr savings plan | 3-yr savings plan |
|---|---|---|---|
| East US eastus | $0.166 | $0.1118 | $0.0748 |
| East US 2 eastus2 | $0.166 | $0.1145 | $0.078 |
| North Central US northcentralus | $0.166 | $0.1118 | $0.0748 |
| West US 2 westus2 | $0.166 | $0.1118 | $0.0748 |
| West US 3 westus3 | $0.166 | $0.1145 | $0.078 |
| Sweden Central swedencentral | $0.173 | $0.1315 | $0.0952 |
| Central India centralindia | $0.179 | $0.1209 | $0.0788 |
| Jio India Central jioindiacentral | $0.179 | $0.179 | $0.179 |
| Jio India West jioindiawest | $0.179 | $0.179 | $0.179 |
| North Europe northeurope | $0.182 | $0.1383 | $0.1001 |
| Mexico Central mexicocentral | $0.183 | $0.1233 | $0.0825 |
| Spain Central spaincentral | $0.183 | $0.1391 | $0.1007 |
| Canada Central canadacentral | $0.185 | $0.125 | $0.0837 |
| Canada East canadaeast | $0.186 | $0.1257 | $0.0841 |
| UK West ukwest | $0.188 | $0.1429 | $0.1034 |
| France Central francecentral | $0.189 | $0.1432 | $0.1003 |
| UK South uksouth | $0.189 | $0.1432 | $0.1003 |
| Indonesia Central indonesiacentral | $0.19 | $0.1283 | $0.0841 |
| Malaysia West malaysiawest | $0.19 | $0.1283 | $0.0841 |
| Germany West Central germanywestcentral | $0.192 | $0.1459 | $0.1056 |
| Israel Central israelcentral | $0.192 | $0.1306 | $0.0883 |
| Italy North italynorth | $0.192 | $0.1574 | $0.1114 |
| Poland Central polandcentral | $0.192 | $0.1459 | $0.1056 |
| West Europe westeurope | $0.192 | $0.1459 | $0.1056 |
| US Gov Arizona usgovarizona | $0.195 | – | – |
| US Gov Virginia usgovvirginia | $0.195 | – | – |
| West US westus | $0.198 | $0.1366 | $0.0931 |
| Central US centralus | $0.2 | $0.138 | $0.094 |
| South Central US southcentralus | $0.2 | $0.138 | $0.094 |
| UAE North uaenorth | $0.2 | $0.152 | $0.11 |
| West Central US westcentralus | $0.2 | $0.138 | $0.094 |
| Qatar Central qatarcentral | $0.201 | $0.1528 | $0.1106 |
| Korea South koreasouth | $0.207 | $0.1573 | $0.1139 |
| Korea Central koreacentral | $0.208 | $0.135 | $0.0955 |
| Australia Central australiacentral | $0.211 | $0.1538 | $0.1066 |
| Australia Central 2 australiacentral2 | $0.211 | $0.1538 | $0.1066 |
| Australia East australiaeast | $0.211 | $0.1538 | $0.1066 |
| Australia Southeast australiasoutheast | $0.211 | $0.1604 | $0.1161 |
| Norway East norwayeast | $0.211 | $0.1604 | $0.1161 |
| Southeast Asia southeastasia | $0.211 | $0.1424 | $0.0934 |
| Switzerland North switzerlandnorth | $0.2112 | $0.1605 | $0.1162 |
| South Africa North southafricanorth | $0.217 | $0.1649 | $0.1194 |
| Japan East japaneast | $0.218 | $0.1599 | $0.1123 |
| New Zealand North newzealandnorth | $0.222 | $0.1618 | $0.1122 |
| Sweden South swedensouth | $0.225 | $0.171 | $0.1238 |
| East Asia eastasia | $0.234 | $0.1578 | $0.1036 |
| US Gov Texas usgovtexas | $0.235 | – | – |
| South India southindia | $0.236 | $0.1794 | $0.1298 |
| West India westindia | $0.238 | $0.1809 | $0.1309 |
| Japan West japanwest | $0.24 | $0.1824 | $0.132 |
| Germany North germanynorth | $0.25 | $0.19 | $0.1375 |
| UAE Central uaecentral | $0.25 | $0.19 | $0.1375 |
| Brazil South brazilsouth | $0.269 | $0.1657 | $0.1219 |
| France South francesouth | $0.27 | $0.2052 | $0.1485 |
| South Africa West southafricawest | $0.2713 | $0.2062 | $0.1492 |
| Norway West norwaywest | $0.275 | $0.209 | $0.1513 |
| Switzerland West switzerlandwest | $0.2755 | $0.2094 | $0.1515 |
| Brazil Southeast brazilsoutheast | $0.349 | $0.2652 | $0.192 |
Prices by operating system in East US
| Operating system | On-demand /hr | 1-yr reserved /hr | 3-yr reserved /hr |
|---|---|---|---|
| Linux | $0.166 | – | – |
| Windows | $0.182 | – | – |
Specs
| Compute | Value |
|---|---|
| vCPUs | 4 |
| Physical cores | 4 |
| Threads per core | 1 |
| Architecture | x86_64 |
| Processor | Intel Xeon Platinum 8370C (Ice Lake), Intel Xeon Platinum 8272CL (Cascade Lake), Intel Xeon 8171M (Skylake), Intel Xeon E5-2673 v4 (Broadwell), Intel Xeon E5-2673 v3 (Haswell) |
| Memory | Value |
|---|---|
| Memory (GiB) | 16 |
| Networking | Value |
|---|---|
| Accelerated networking | No |
| Max network interfaces | 4 |
| Storage | Value |
|---|---|
| Storage | 32 GiB temp SSD |
| Temp disk | 32 GiB |
| Max data disks | 8 |
| Premium SSD | Yes |
| Max disk IOPS (uncached) | 2,880 |
| Max disk throughput (uncached) | 35 MB/s |
| Ephemeral OS disk | Yes |
| Instance details | Value |
|---|---|
| Instance type | Standard_B4ms |
| Family | Bms |
| Category | General purpose |
| VM generations | V1, V2 |
| Encryption at host | Yes |
| Retirement date | 2028-11-15 |
| Other | Value |
|---|---|
| Series | bv1-series |
| Specs source | Azure Resource SKUs API |
Other Bms sizes
| Size | vCPUs | Memory (GiB) | On-demand /hr |
|---|---|---|---|
| Standard_B1ms | 1 | 2 | $0.0207 |
| Standard_B2ms | 2 | 8 | $0.0832 |
| Standard_B4ms | 4 | 16 | $0.166 |
| Standard_B8ms | 8 | 32 | $0.333 |
| Standard_B12ms | 12 | 48 | $0.499 |
| Standard_B16ms | 16 | 64 | $0.666 |
| Standard_B20ms | 20 | 80 | $0.832 |
Prices updated 2026-11-12 from the Azure Retail Prices API. Compare all Azure VM sizes.