Why partners choose THI
The brand behind the brands
For more than twenty years THI has done the technical work behind compatible optics for companies that sell them under their own name. We handle procurement, coding, testing, support and blind drop shipping, so you keep the brand, the pricing and the customer. If a customer we know is yours contacts us directly, we pass them back to you.
Procurement
Two decades of sourcing relationships behind every part we supply.
Coding
OEM compatibility programmed in-house, platform by platform.
Testing
Parts are tested for the specified compatibility before they reach you.
Technical support
Global technical support for you, and for your customer after the sale.
How it works
From your parts list to your customer’s rack
Built for resellers, integrators and private-label partners.
Build your list
Search by OEM part number and add parts to a quote request. No account, no login.
We quote it
Our sales team prices the whole list and replies to you by email.
Coded & tested
Every part is programmed for the target platform and tested in-house against it.
Shipped as yours
Blind drop shipped straight to your customer, or to you, under your brand.
Browse the catalog
1G to 800G, in every common form factor
1,400+ OEM-compatible part numbers. Search by the OEM part number your customer gave you, or start from the form factor.
SFP & SFP+
The everyday optics: SR, LR, ER and ZR, CWDM, DWDM and copper RJ-45.
View SFP+ parts →
SFP28
Server and top-of-rack 25G, from short-reach multimode to 10km single-mode.
View SFP28 parts →
QSFP+ & QSFP28
Spine and uplink optics, including BiDi, CWDM4 and breakout options.
View QSFP28 parts →
QSFP-DD & OSFP
DR4, FR4 and DR8 for AI clusters and high-density data center fabrics.
View 400G & 800G →
Direct attach copper
Passive twinax for in-rack links. No optics and no power draw.
View DAC cables →
Active optical cables
Lightweight fiber assemblies for longer in-row and cross-rack runs.
View AOC cables →Put THI behind your brand.
Sell compatible optics under your own name, with THI handling the sourcing, coding, testing and support behind the scenes.




