T520-CR — Chelsio Unified Wire Dual Port 10GbE SFP+ PCIe Network Adapter
MPN: T520-CR|By: Chelsio

In Stockships worldwide
- Condition:
- New — authorized channel
- Warranty:
- Full manufacturer warranty
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Product overview
The Chelsio unified wire dual port 10GbE SFP+ PCIe network Adapter is supplied under part number T520-CR. Optics have to match at both ends and are frequently vendor-coded, so a module that is electrically correct can still refuse to link. Tell us both switch models and we will confirm compatibility before it ships.
This part is quoted rather than listed, because the price moves with availability. Send the quantity and we will come back with a number we can stand behind.
Featuring
- Manufacturer
- Chelsio
Interfaces / Ports
- Drive Interface
- PCIe
- Port Speed
- 10GbE
Physical characteristics
- Product Type
- Transceivers & Cables
- Expedited shipping options are available — rates confirmed with your quote.
- Purchase orders accepted from qualified institutions.
- Compatibility is validated against your server platform before dispatch. Send us the model and we will confirm support.
Specifications for T520-CR as published by Chelsio. Where a value is absent it is because we could not verify it, not because it does not exist — ask and we will check.
Where the Chelsio T520-CR is deployed
- Sourcing T520-CR against a build sheet that names it explicitly
- Cabling a new rack into an installed fabric
- Replacing an optic that has started erroring
Who this part is for
- Procurement buying optics in quantity for a scheduled build
- Data centre teams cabling a new rack to an installed fabric
- Integrators supplying the passive layer with a switch order
What you get ordering this from us
Ordered by part number
T520-CR is what is quoted and T520-CR is what ships; where an alternate code is genuinely the same part we name it rather than swap it silently.
No substitutions without asking
If we cannot supply the exact code we tell you what we can supply and why, rather than shipping an equivalent and letting you find out.
Coded for both ends
Tell us the switch at each end and we confirm the vendor coding before dispatch rather than after a link fails to come up.
Questions buyers ask about this part
- Is T520-CR genuine and is the warranty intact?
- Yes. It ships new in Chelsio packaging, which is what keeps the warranty and the firmware entitlement valid. Anything we cannot supply that way we tell you about before you order.
- Will T520-CR work in my server?
- Tell us the switch at both ends of the link. Optics are frequently vendor-coded, so a module that is electrically correct can still refuse to come up; we confirm the coding for both ends before it ships.
- Do you accept purchase orders and quote at volume?
- Yes. Purchase orders are accepted from qualified organisations, net terms are available on approval, and tiered pricing applies at quantity. Tell us how many you need.
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Specifying a system, not just the part?
Optics and cabling are part of the fabric spec on a cluster build — both ends and the switch have to agree.
