USG FLEX H Series [Firewall] - Key advantages and comparison of USG FLEX H vs USG FLEX Series

In this article, we'll compare the USG FLEX H Series to the USG FLEX Series and highlight why the USG FLEX H Series has the upper hand. The USG FLEX H Series comes with several gigabit ports, a user-friendly in-house operating system, and excellent performance for tasks like UTM and VPN. It also offers faster boot times and improved CPU performance. 

Disclaimer!
This article offers a general overview of the series and may not apply uniformly to every model. Prior to purchasing or using the device, please consult the model-specific documentation or reach out to technical support for accurate information.

Highlight USG FLEX H Series

  • Port Flexibility, Multi-gig, and PoE+

  • Supports speeds 10 Mbit/s, 100 Mbit/s, 1 Gbit/s & 2,5 Gbit/s
  • Brand-new powerful uOS for better usability
  • High-performance throughput (including UTM and VPN)
  • Up to 3x firewall throughput
  • All-in-one VPN Client
  • Enhanced Security 

USG FLEX H Series Overview

Feature USG FLEX 100H(P)*​ USG FLEX 200H(P)*​ USG FLEX 500H​ USG FLEX 700H​
Max. Concurrent Sessions​ 300,000 ​ 600,000 ​ 1,000,000 ​ 2,000,000 ​
Max. UTM Concurrent sessions​ 200,000 ​ 400,000 ​ 800,000 ​ 1,600,000 ​
Total Physical ports (ALL Configurable)​ 8*1GbE​ 6*1GbE, 2*2.5GbE​ 8*1GbE, 4*2.5GbE​ 2 Multi-GbE (up to 10G), 2 SFP+, 8*1GbE, 2*2.5GbE​
PSE port​ 1 port 30W ​ 1 port 30W ​ 2 ports, total 30W ​ 2 ports, total 30W ​
(USG FLEX 100HP)​ (USG FLEX 200HP)​
USB 3.0​ 1​ 1​ 1​ 1​
Housing Type​ USG20/40​ USG60​ USG110​ USG310​
Fanless​ Y​ Y​ N​ N​
SPI Firewall Throughput ​ 3Gbps​ 5Gbps​ 10Gbps​ 15Gbps​
VPN throughput​ 750Mbps​ 1.2 Gbps​ 2 Gbps​ 3 Gbps​
UTM throughput (AV & IDP)​ 750Mbps​ 1.5 Gbps​ 2.5 Gbps​ 4 Gbps​
IPS throughput​ 1,5 Gbps 2 Gbps 3,5 Gbps 6,3 Gbps
Max. Concurrent IPsec VPN tunnels Gateway to Gateway IPsec VPN Tunnels 50 100 500 1000
Gateway to Gateway IPsec VPN Tunnels  20 50 200 300
Concurrent SSL VPN users 25 50 200 500
  • *USG FLEX 100H and 200H also have PoE built-in version available as USG FLEX 100HP/200HP. 
    PoE
    + function with ports :USG FLEX 100HP P2; USG FLEX 200HP P2; USG FLEX 500H P3, P4; USG FLEX 700H P3, P4.
  • *1 VPN throughput measured based on RFC 2544 (1,424-byte UDP packets)​
  • *2 Anti-Malware throughput is based on express mode​
  • *3 UTM Throughput measured by using the industry standard HTTP performance test (1,460-byte HTTP packets) ​
  • All Testing done with multiple flows

The data for the USG FLEX series is shown below for quick comparison.

Feature

USG FLEX 100(W)

USG FLEX 200

USG FLEX 500

USG FLEX 700

SPI firewall throughput

900Mbps

1.8Gbps

2.3Gbps

5.4Gbps

VPN throughput

270Mbps

450 Mbps

810Mbps

1.1Gbps

UTM throughput  (AV & IPS)

360Mbps

550 Mbps

800Mbps

1.35Gbps

Max. TCP  concurrent sessions

300,000

600,000

1,000,000

1,600,000

Max. concurrent IPSec VPN

40

100

300

500

Concurrent SSL VPN users

30

60

150

150

Max VLAN interfaces

8

16

64

128

Max. concurrent devices logins

64

200

300

800

 

Other Benefits

  • Keyword Search - Save your time to search each feature
  • My Favorite - Add frequently used pages to your favorites.
  • High DH Group - Support Diffie-Hellman groups up to DH30 to ensure a highly secure connection
  • Secure Boot - Verify the validity of system files and protect firmware from unauthorized changes
  • Wide Range of IKE Cipher Suites - Maximize interoperability with third-party VPN devices through a variety of IKE Cipher Suites
  • Security & Reliability - IKEv2 is a widely adopted VPN protocol known for its security, reliability, and efficiency compared to L2TP over IPSec. It ensures exceptional compatibility with various VPN components.
  • Easy Wizard & Effortless Migration - Utilize a script for easy compatibility with native OS-based IKEv2 VPN clients such as Windows, macOS, iOS, and Android (StrongSwan)* For Android devices, you must download the third-party strongSwan app. Please note the support of L2TP/IPSec has been removed from Android 12.
  • SecuExtender Streamline Secure Connectivity - Get one installation for a secure tunnel with options for IKEv2 IPSec VPN and SSL VPN
  • SecuExtender Multi-Platform Licensing - Simplify your experience with a single license key that covers Windows and macOS

Function

USG FLEX 200

USG FLEX 200H

System boot time

4 minutes

Within 3 minutes

Local Firmware Uploads

60 seconds

Within 30 seconds

Restore configuration

60 seconds

3-5 seconds

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