Citrix Sizer
by Niyyasoft
Sizing wizard
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Guest sizing · Step 3 of 9
User & workload requirements
1
Details
2
Workloads
3
Requirements
4
Availability
5
Architecture
6
Hardware
7
Network
8
Assumptions
9
Review
Citrix Virtual Apps
Total named users
*
Maximum concurrent users
*
Peak concurrent sessions
ⓘ
Number of published applications
Workload mix
ⓘ
%
Light (task worker)
%
Medium (knowledge worker)
%
Heavy (power user)
Application categories
Office productivity
Browser workloads
ERP
CRM
Engineering
Graphics-intensive
Session hosts
Session host OS
ⓘ
Windows Server 2025
Windows Server 2022
Windows Server 2019
Windows 11 Enterprise multi-session
Windows 10 Enterprise multi-session
CPU sizing method
Citrix VDI Handbook density (users per core)
vCPU per session with vCPU:pCore ratio
Provisioning
Machine Creation Services (non-persistent, RAM cache with overflow)
Machine Creation Services (no RAM-based write cache)
Citrix Provisioning (cache in device RAM with overflow on disk)
Manually built / existing VMs
vCPU per session host VM
ⓘ
RAM per VM (empty = calculated)
GB
Sessions per VM (empty = calculated)
Master images
Master image size
GB
Measured average CPU per host (optional)
ⓘ
%
Measured peak CPU per host (optional)
%
vCPU per session - light
ⓘ
vCPU per session - medium
ⓘ
vCPU per session - heavy
ⓘ
Override memory per session (MB)
RAM per session - light
ⓘ
MB
RAM per session - medium
ⓘ
MB
RAM per session - heavy
ⓘ
MB
Storage, logons and bandwidth
Profile size per user
ⓘ
GB
User data per user
GB
Application storage
ⓘ
GB
Peak logon window
min
Sessions logging on in window
%
Logon duration
s
HDX bandwidth profile
Office productivity
Rich web browsing
Mixed (Office / web / video)
1080p video without browser content redirection
Custom (customer-measured)
Custom kbps per session
kbps
Application inventory (optional)
Add application
Application
Type
Office
Browser
ERP
CRM
Engineering
Graphics
Line of business
Other
Criticality
Low
Medium
High
Mission critical
Users
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Citrix Sizer
by
Niyyasoft