The minimum hardware requirements for SQL Server vary depending on the version of SQL Server and the workload that it will be used for. Here are the general minimum requirements for SQL Server 2005 to 2019:
SQL Server 2005
- Processor: Pentium III-compatible processor or faster (1 GHz or faster recommended)
- RAM: 512 MB minimum (1 GB or more recommended)
- Hard Disk: 675 MB minimum for SQL Server components; additional space required for databases and other components
- Operating System: Windows Server 2003 or later
SQL Server 2008
- Processor: x64 Processor: AMD Opteron, AMD Athlon 64, Intel Xeon with Intel EM64T support, Intel Pentium IV with EM64T support (1.4 GHz or faster recommended)
- RAM: 512 MB minimum (1 GB or more recommended)
- Hard Disk: 675 MB minimum for SQL Server components; additional space required for databases and other components
- Operating System: Windows Server 2003 or later
SQL Server 2012
- Processor: x64 Processor: AMD Opteron, AMD Athlon 64, Intel Xeon with Intel EM64T support, Intel Pentium IV with EM64T support (1.4 GHz or faster recommended)
- RAM: Express Editions: 512 MB minimum; All other editions: 1 GB minimum (4 GB or more recommended)
- Hard Disk: Express Editions: 2.2 GB minimum; All other editions: 6 GB minimum for SQL Server components; additional space required for databases and other components
- Operating System: Windows Server 2008 R2 or later
SQL Server 2014 and 2016
- Processor: x64 Processor: AMD Opteron, AMD Athlon 64, Intel Xeon with Intel EM64T support, Intel Pentium IV with EM64T support (1.4 GHz or faster recommended)
- RAM: Express Editions: 512 MB minimum; All other editions: 1 GB minimum (4 GB or more recommended)
- Hard Disk: Express Editions: 4 GB minimum; All other editions: 6 GB minimum for SQL Server components; additional space required for databases and other components
- Operating System: Windows Server 2008 R2 or later
SQL Server 2017 and 2019
- Processor: x64 Processor: AMD Opteron, AMD Athlon 64, Intel Xeon with Intel EM64T support, Intel Pentium IV with EM64T support (2 GHz or faster recommended)
- RAM: Express Editions: 1 GB minimum; All other editions: 2 GB minimum (8 GB or more recommended)
- Hard Disk: Express Editions: 6 GB minimum; All other editions: 6 GB minimum for SQL Server components; additional space required for databases and other components
- Operating System: Windows Server 2012 or later
Note that these are minimum requirements and may not be sufficient for all workloads. For optimal performance, it is recommended to exceed these minimum requirements whenever possible.
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