QSFP28 to SFP28 adapter QSA adapter, converter module, Multimode, Singlemode

Adapter Module for QSFP28
Works out of the box, no configuration needed
Use SFP28 in QSFP28 port of your device
Transceivers are not included and sold separately
Lower Power Consumption than using an equivalent QSFP28
Not supported in Cisco and HP/Aruba. For Cisco and HP/Aruba use Q.1HG.PCT.U
Alternative hardware available with lower pricing: Q.1HG.PCT.M
Supported Data Rates: 1.25 Gbit/s - 25.7 Gbit/s
Specs
  • pl_connector Adapter
  • pl_datarate 25.7 G
  • accept SFP28
Protocols
  • 10G ETH
  • 1G ETH
  • 25G ETH
Part number
Q.1HG.PCT:S2
In stock
1 pcs
Back In Stock
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Estimated arrival of additional items.
Our order confirmation will provide the final shipping date.
  • ~Jan 8, 2026
    +150 pcs
  • ~Jan 28, 2026
    +400 pcs

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pdp_spec

Specification

Form Factor QSFP28
Temperature Range 0°C - 70°C
Digital Diagnostic Monitoring (DDM) depends on transceiver
CDR none
Inbuilt FEC No
Supported Protocols 25G Ethernet, 10G Ethernet, Gigabit Ethernet
Power Consumption 0.1 W
Compliance Code ADAPTER
Interface SFI
pdp_recom

What customers say

Everything is build for and runs in the cloud today, the Aviatrix Multicloud solution as well.
Still, we have customers asking for a highperformance encryption from “their” premises to the cloud and this is where our CloudN appliances come into play.
If customers ask us to support the installation of our appliances, we’ll do everything we can to help. And then it’s good to know that if you sneak into a datacenter, you can rely on FLEXOPTIX to even fulfil that connection(s) that are terminating on a device that was missing or has changed in the architecture you discussed before.
Thanks for the brilliant service!

Gerald Buchholz Principal Solution Architect / Aviatrix

When you unpack it, you immediately notice: A lot of time and love was invested in this great device. In just a few minutes everything is ready to go and the first transceiver can be configured. The app responds quickly and is well laid out, and the search function makes it easy to find the right configuration. The FLEXBOX is ideal for us because we use switches from many different manufacturers and can thus react flexibly to changes in our infrastructure at any time. Even on site, we can make adjustments at an instant thanks to the support for mobile devices for configuration.

Stefan Lieven Teamleitung EDV / Pflegeheime Esslingen

The SFP are exactly like promise on the web page, and the configuration tool is so amazing. I worked years with SFP and optical fiber and this tool is so great. It include a power meter an OTDR and allow to diagnose and configure the SFP for many vendors. It will help us in our research and also to manage our LAN. Thank you FLEXOPTIX

Sylvain Brisebois Senior Firmware Engineer / KINOVA

Before we knew FLEXOPTIX, we always stocked various types of transceivers from different brands. Now, several years later, we have completely switched to FLEXOPTIX's universal transceivers since we can simply brand these ourselves using the FLEXBOX. Along with their broad product range and very fast shipping, they are an awesome company to deal with!

Jeffrey Bosma Sr. System & Network Engineer / XS News
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