Installation > Getting Started > Hardware Requirements
Hardware Requirements
For information on SQL Server 2014 requirements and prerequisites, refer to the Microsoft help topic:
Hardware and Software Requirements for Installing SQL Server 2014
For a list of all supported versions of SQL Server, see the Release Notes document.
For information about how much free disk space is required for each installation type, see the Modeler Release Notes.
Integrity Modeler Client or Standalone Installation
For Client Only and Standalone installations of Modeler, we recommend a computer with the following specifications:
Windows PC with a 3 GHz i5 processor
3 GB RAM recommended
SVGA graphics, 1280x1024 minimum, 256 colors
Supported Windows operating system - For more information, see the Modeler Release Notes.
If the Client Only or Standalone installation is integrated with a Requirements Management tool requiring both Modeler and the Requirements Management tool to be running simultaneously, you should add the recommendations for CPU throughput and RAM.
If you are using ACS to generate large quantities of code, or a Reverser to reverse engineer large quantities of code, we recommend you use a computer that has 2 GB of RAM or more.
Integrity Modeler Server – Workgroup Deployment:
For Server Only installations supporting multi-user access of small models by up to five concurrent users, we recommend a computer with the following specifications:
Windows PC with a 3 GHz i5 or Xeon processor
3 GB RAM recommended (for SQL Server 2014 Express)
SVGA graphics, 800x600 minimum, 256 colors.
Supported Windows operating system - for more information, see the Modeler Release Notes.
Integrity Modeler Server – Enterprise Deployment
If you want to support a greater number of concurrent users, or if you want to store large models (for example, models that make a Database larger than 1 GB) on a Modeler server, the recommended specifications may not provide a satisfactory performance when performing operations that process a large number of objects, such as check in and check out operations and versioning of models.
To maintain a good performance with a greater number of concurrent users or large models, we make the following recommendations:
3 GHz Xeon multi-core processor.
8 GB RAM recommended (for SQL Server 2014 Standard)
Use fast SCSI disks (15,000 RPM) or equivalents.
If you are using a RAID disk array, configure it as RAID 0. The RAID 5 configuration is not recommended because it performs poorly with large numbers of small disk writes.
Enable Write-caching on disks. Performance can be substantially improved by enabling Write-caching, but if you do this ensure that the server has an Uninterruptible Power Supply.
The following table suggests the minimum number of processor cores and the minimum size of RAM that we recommend to support different numbers of users.
Number of Users
Processor Cores
RAM
10
2
4 GB
25
2
4 GB
50
4
4 GB
100
4
8 GB
200
4
8 GB
300
4
8 GB
400
4
8 GB
500
8
12 GB
1000
8
12 GB
* 
Ensure that you have a working, regular backup procedure in place for your models.
For more information, see Setting up a backup procedure.
Microsoft Remote Desktop Services and Citrix MetaFrame Installations
If you set up a Modeler server and client on a Microsoft Remote Desktop Services or Citrix MetaFrame computer, that computer must be powerful enough to run the server and client software, along with any add-ins the remote clients choose to use.
The following table suggests the minimum number of process cores and the minimum size of RAM that we recommend to support different numbers of users.
Number of Users
Processor Cores
RAM
10
4
4 GB
25
4
8 GB
50
8
16 GB
100
8
32 GB