Zyxel USG Flex 100 hardware firewall 900 Mbit/s

Manufacturer: Zyxel | Model: USGFLEX100-EU0111F | Product ID: 2103
£505.64 (inc. VAT)
Availability: 0 in stock

Product Technical Specification

Data transmission
Firewall throughput900
VPN throughput270
Performance
Heat dissipation42.65
Mean time between failures (MTBF)989810
CertificationDCC, CE, C-Tick, LVD
Network
Number of VPN connections100
Concurrent SSL/VPN connections (maximum)30
VPN tunnels quantity64
Number of VLANs8
Security
Security algorithmsIPSec,SSL/TLS
VPN supportIKEv2, IPSec, SSL, L2TP/IPSec
Management features
URL filteringYes
Ports & interfaces
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity1
Ethernet LAN (RJ-45) ports4
Console portRJ-45
WAN connectionEthernet (RJ-45)
Design
Built-in fanNo
Power
Input current2
Power consumption (max)12.5
Logistics data
Harmonized System (HS) code85176990
Operational conditions
Operating temperature (T-T)0 - 40
Storage temperature (T-T)-30 - 70
Operating relative humidity (H-H)10 - 90
Storage relative humidity (H-H)10 - 90
Weight & dimensions
Width216
Depth147.3
Height33
Weight850
Packaging data
Package width284
Package height190
Package depth100
Package weight1400

Delivery Options

Economy Delivery
FREE
Economy Delivery

Economy Delivery (UK)

Estimated delivery date: Sun 07th Dec 2025 to Wed 10th Dec 2025
Fast & Tracked by Courier
£6.95
Fast & Tracked by Courier

Fast & Tracked by Courier (UK)

Estimated delivery date: Sat 06th Dec 2025 to Mon 08th Dec 2025
View all Delivery Options & International Rates
Precise Protection. Flexible Subscription.
Introducing the latest USG Series-USG FLEX, delivering higher levels of performance and flexibility! USG FLEX's platform continue its tradition in providing the latest, leading technologies, all while providing a complete suite of security subscription with seamless, scalable gateway connectivity. We want to bring top of the line experience for all business owners!

Higher Precision Detection Uncovers Threats
Zyxel Security Cloud keeps learning from collecting threat information. USG FLEX series supports advanced Anti-Malware with cloud query express mode which expands billions of signatures. The cloud query with high detection rate helps verify the file hash within seconds.

Best Threat
Intelligence Alliance

To ensure your network on getting the best protection, USG FLEX integrates threat intelligence from leading companies and organizations in the cybersecurity field for scaled information about file and real-time threat data. By leveraging a wider malware coverage with multiple-sourced database, this increases the accuracy in threat detection. Web Filtering is also included to safeguard all internet access, especially with CTIRU (Counter-Terrorism Internet Referral Unit) to restrict access to terrorist materials online.

High Assurance
Multi-layered Protection

USG FLEX is designed with multi-layer protection against multiple types of threats from in and out. URL Threat Filter, Anti-Malware, and Intrusion Prevention block external attacks, while Application Patrol and Web Filtering empower you to restrict users' inappropriate application usage or web access, all together safeguarding your network without any unattended gaps.

Flexible
Subscription
for Your Need

USG FLEX security services turn your firewall into a comprehensive security solution. Add Unified Threat Management (UTM) and Hospitality bundled service to get the protection and connectivity that meet your network needs. You can also choose from a single license whenever you need, such as Web Filtering, Anti-Malware, SecuReporter Premium, and more.

Upgrade to Gain
Migrate without Pain

If you still get USG series licenses, now is the time to migrate! USG FLEX provides hassle-free license migration from USG series with auto migration. Upgrade to a whole new 6-in-1 UTM bundle license from your USG existing licenses for more comprehensive protection.
Data transmission
Firewall throughput900
VPN throughput270
Performance
Heat dissipation42.65
Mean time between failures (MTBF)989810
CertificationDCC, CE, C-Tick, LVD
Network
Number of VPN connections100
Concurrent SSL/VPN connections (maximum)30
VPN tunnels quantity64
Number of VLANs8
Security
Security algorithmsIPSec,SSL/TLS
VPN supportIKEv2, IPSec, SSL, L2TP/IPSec
Management features
URL filteringYes
Ports & interfaces
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity1
Ethernet LAN (RJ-45) ports4
Console portRJ-45
WAN connectionEthernet (RJ-45)
Design
Built-in fanNo
Power
Input current2
Power consumption (max)12.5
Logistics data
Harmonized System (HS) code85176990
Operational conditions
Operating temperature (T-T)0 - 40
Storage temperature (T-T)-30 - 70
Operating relative humidity (H-H)10 - 90
Storage relative humidity (H-H)10 - 90
Weight & dimensions
Width216
Depth147.3
Height33
Weight850
Packaging data
Package width284
Package height190
Package depth100
Package weight1400

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Buykingston order despatch times:

We will despatch your order the very same day if we receive cleared payment by 12:00 pm Mon-Fri.

These delivery estimates apply when you order up to 12:00 pm Mon-Fri (excluding public holidays).

We charge a one off delivery cost as outlined below regardless of how many items you order or the weight of your order.

Estimated delivery times are provided to us by the respective delivery companies. We pass this information onto you, the customer.

Despatch times do not apply to UK public holidays.

Estimated delivery times are taken from the next available working day available for delivery. For example if an order was despatched on a working Wednesday by 3pm, the first available working day for delivery would be Thursday provided you placed your order by 3pm on the Wednesday. If the next available weekday is a UK bank holiday/public holiday then your order will be despatched on the next available working day.

Our warehouse reserves the right to upgrade the delivery method you select on your order.

Our available delivery options*

Contact us for a shipping quote.

*All delivery times are estimated unless stated.

Product Returns Note

Buykingston offers a very flexible and hassle free returns policy. If for whatever reason you are not happy with the item purchased you can return it to us within 12months for a refund (for unused and unopened items) or within 30 days on opened and used items for a refund. This applies to items purchased direct through Buykingston  only.

Our 30 Day Returns Money Back Guarantee Satisfaction Guarantee:
For items opened and used and that are returned in a resellable condition.

Our 365 Day Returns Money Back Guarantee Satisfaction Guarantee:
For items that remain sealed and unused.

Some items are excluded from our moneyback guarantee unless they have developed a fault. These include;

- Headphones
- Earphones
- Custom made and designed products such as flash memory products with custom logo’s on them. E,g USB flash drives and memory cards with your own logo

Returns FAQs

What is your returns criteria?
On opened items 30 days from date of receipt or expected date of receipt on non tracked items.
On unopened items 365 days.

How do i go about returning my order?
Please contact us via our contact page with your order number where we will present you with an RMA number and returns label.

Do i need to contact you before returning my order?
Yes, to obtain an RMA number.

Does my item have to include its original packaging?
Yes for items that fall within our 30 day money back guarantee and our 365 day returns. Of course for faulty items we realise you may no longer have the packaging.

Who deals with the warranty on a faulty item?
We will. In some circumstances we may ask you to contact the manufacturer direct for assistance.

Please ensure you have read and comply in full with Section 11 & 13 of our terms and conditions which you can read here in full.