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NVIDIA Mellanox CX-T-25G-SFP28-L-SR 25GBASE-SR SFP28 850nm
25 Gbps 25GBASE-SR SFP28 transceiver, 850 nm, up to 70 m OM3 / 100 m OM4, Ethernet.
- Manufacturer
- NVIDIA Corporation (Mellanox)
- Mfr part number
- CX-T-25G-SFP28-L-SR
- Series
- LinkX 25G SFP28
- Category
- Fiber optic transceiver modules
- Datasheet
- CX-T-25G-SFP28-L-SR datasheet (PDF)
CX-T-25G-SFP28-L-SR specifications
| Attribute | Value |
|---|---|
| Part Number | CX-T-25G-SFP28-L-SR |
| Manufacturer | NVIDIA Corporation (Mellanox Technologies) |
| Brand | NVIDIA Mellanox |
| Standard | 25GBASE-SR |
| Form Factor | SFP28, hot-swappable |
| Data Rate | 25 Gbps |
| Protocol | Ethernet |
| Wavelength | 850 nm |
| Media | Multimode fiber (OM3/OM4) |
| Max Distance | 70 m OM3 / 100 m OM4 |
| Connector | Duplex LC |
| Lifecycle | Legacy / end-of-life (stock on request) |
| Case Temp | 0 °C to 70 °C (commercial) |
| Dimensions | 8.5 × 13.4 × 56.5 mm |
| Compliance | IEEE 802.3, SFP28 MSA |
| Reach detail | up to 70 m on OM3 and 100 m on OM4 multimode fiber |
| Ordering note | Cumulus Express part (Mellanox OPN 25G-SFP28-L-SR). Current NVIDIA equivalent: MMA2P00-AS. |
| Part-number note | Cumulus Express part |
Values are from NVIDIA's LinkX product pages, ordering tables and firmware 'validated and supported cables and modules' lists (Oct 2026). Confirm platform and firmware support for your switch or adapter with us before ordering.
About the NVIDIA Mellanox CX-T-25G-SFP28-L-SR
The NVIDIA Mellanox CX-T-25G-SFP28-L-SR is a hot-swappable SFP28 25GBASE-SR optical transceiver for 25 Gbps Ethernet links over multimode fiber, with a Duplex LC interface and reach of up to 70 m OM3 / 100 m OM4. It is a Cumulus Express transceiver that NVIDIA sold with Cumulus Linux white-box switch bundles; the family is now end-of-life (NVIDIA LCR-000637). Typical uses: 25GbE server access, leaf-spine fabrics and 10G-to-25G migrations on ConnectX adapters and Spectrum switches.
- 25 Gbps 25GBASE-SR up to 70 m OM3 / 100 m OM4
- Cumulus Express 25GbE SR SFP28
- 850 nm multimode, duplex LC
- Duplex LC connector · Multimode fiber
- Genuine NVIDIA Mellanox part · GST invoice · pan-India dispatch
CX-T-25G-SFP28-L-SR: frequently asked questions
What is the NVIDIA Mellanox CX-T-25G-SFP28-L-SR?
The CX-T-25G-SFP28-L-SR is an SFP28 25GBASE-SR module from NVIDIA's LinkX range for 25 Gbps Ethernet links. It plugs into an SFP28 (or SFP56) port on an NVIDIA / Mellanox switch, adapter or DPU and is used for 25GbE server access, leaf-spine fabrics and 10G-to-25G migrations on ConnectX adapters and Spectrum switches.
What is the maximum distance of the CX-T-25G-SFP28-L-SR?
NVIDIA specifies the CX-T-25G-SFP28-L-SR for up to 70 m on OM3 and 100 m on OM4 multimode fiber.
Which fiber and connector does the CX-T-25G-SFP28-L-SR need?
The CX-T-25G-SFP28-L-SR uses a Duplex LC connector on multimode fiber (OM3/OM4), at 850 nm. Both ends of the link must use the same optical standard.
Is the CX-T-25G-SFP28-L-SR compatible with my NVIDIA / Mellanox switch or adapter?
It works in NVIDIA and Mellanox platforms with SFP28 (or SFP56) ports that list this part in their firmware 'validated and supported cables and modules' table. Send us your switch / adapter model and firmware version and we check it against NVIDIA's support list before dispatch, so you only receive a module that links up in your port.
Is the CX-T-25G-SFP28-L-SR still available?
NVIDIA has marked the CX-T-25G-SFP28-L-SR legacy / end-of-life, so it is no longer in regular production. Next Gen Networks sources genuine new and surplus stock on request. Cumulus Express part (Mellanox OPN 25G-SFP28-L-SR). Current NVIDIA equivalent: MMA2P00-AS. Tell us the quantity and we will confirm availability, or suggest the current NVIDIA equivalent.
Is your CX-T-25G-SFP28-L-SR genuine NVIDIA / Mellanox?
Yes. Next Gen Networks supplies original NVIDIA (Mellanox) LinkX parts, not third-party lookalikes or grey-market stock. Every unit is checked before dispatch and we share serial numbers on request so you can verify them with mlxlink / mlxcables or the switch's transceiver inventory.
What is the CX-T-25G-SFP28-L-SR price in India and how do I order?
The NVIDIA Mellanox CX-T-25G-SFP28-L-SR price in India depends on quantity, delivery city and current stock. Next Gen Networks supplies it with a GST invoice (input tax credit ready) and pan-India dispatch from New Delhi. Send the part number, quantity and delivery city on WhatsApp +91-7827955775 or email Sales@nextgennetworks.in and we reply with a GST quote.
Documents
NextGen datasheetPDF · specs, FAQ & buying guideDownload datasheet
Mellanox_CX-T-25G-SFP28-L-SR_Datasheet_NextGenNetworks.pdfNVIDIA LinkX documentation
Manufacturer product pages
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