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Arista QSFP-100G-SWDM4 100GBASE-SWDM4 QSFP28 850-940nm
100 Gbps 100GBASE-SWDM4 QSFP28 transceiver, 850–940 nm (4 lambda SWDM), up to 70 m OM3 / 100 m OM4, 0 to 70 °C case temperature.
- Manufacturer
- Arista Networks, Inc.
- Mfr part number
- QSFP-100G-SWDM4
- Series
- 100G QSFP28
- Category
- Fiber optic transceiver modules
- Datasheet
- QSFP-100G-SWDM4 datasheet (PDF)
QSFP-100G-SWDM4 specifications
| Attribute | Value |
|---|---|
| Part Number | QSFP-100G-SWDM4 |
| Manufacturer | Arista Networks, Inc. |
| Brand | Arista Networks |
| Standard | 100GBASE-SWDM4 |
| Form Factor | QSFP28, hot-swappable |
| Data Rate | 100 Gbps |
| Wavelength | 850–940 nm (4 lambda SWDM) |
| Media | Duplex multimode (OM3/OM4) |
| Max Distance | 70 m OM3 / 100 m OM4 |
| Connector | Duplex LC |
| Tx Power | −7.5 to +3.4 dBm/lane |
| Rx Power | −9.3 to +3.4 dBm/lane |
| Max Power | 3.5 W |
| Case Temp | 0 °C to 70 °C |
| Dimensions | 13.5 × 18.4 × 72.4 mm |
| Reach detail | 70 m on duplex OM3 and 100 m on duplex OM4 multimode fiber |
All values are from Arista Networks' published Optics Modules and Cables data sheet (Sep 2026). Confirm platform support for your switch with us before ordering.
About the Arista QSFP-100G-SWDM4
The Arista QSFP-100G-SWDM4 is a hot-swappable QSFP28 100GBASE-SWDM4 optical transceiver for 100 Gbps Ethernet over duplex multimode (OM3/OM4), with a Duplex LC interface and reach of up to 70 m OM3 / 100 m OM4. Typical uses: 100G leaf-spine fabrics, DC interconnect, 4 × 25G breakout and service-provider aggregation.
- 100 Gbps 100GBASE-SWDM4 up to 70 m OM3 / 100 m OM4
- 100G over existing duplex LC multimode
- SWDM Alliance compliant
- Duplex LC connector · Duplex multimode (OM3/OM4)
- Genuine Arista optic · GST invoice · pan-India dispatch
QSFP-100G-SWDM4: frequently asked questions
What is the Arista QSFP-100G-SWDM4?
The Arista QSFP-100G-SWDM4 is a QSFP28 100GBASE-SWDM4 module from Arista Networks for 100 Gbps links. It plugs into a 100G QSFP port on an Arista switch and is used for 100G leaf-spine fabrics, DC interconnect, 4 × 25G breakout and service-provider aggregation.
What is the maximum distance of the QSFP-100G-SWDM4?
Arista specifies the QSFP-100G-SWDM4 for 70 m on duplex OM3 and 100 m on duplex OM4 multimode fiber.
What are the transmit and receive power levels of the QSFP-100G-SWDM4?
Per Arista's published optics data sheet, the QSFP-100G-SWDM4 transmits −7.5 to +3.4 dBm/lane and receives −9.3 to +3.4 dBm/lane.
Which fiber and connector does the QSFP-100G-SWDM4 need?
The QSFP-100G-SWDM4 uses a Duplex LC connector on duplex multimode (OM3/OM4), at 850–940 nm (4 lambda SWDM). Both ends of the link must use the same optical standard.
Is the QSFP-100G-SWDM4 compatible with my Arista switch?
It works in Arista switches with 100G QSFP ports that support this optic. Send us your switch model and EOS version and we will check it against Arista's Transceiver and Cable Guide before dispatch, so you only receive a module that works in your port.
Which Arista 100G multimode optic should I choose?
SR4 / SR4-E / XSR4 use 8-fibre MPO trunks (SR4-E adds a no-FEC low-latency mode, XSR4 extends reach to 300 m OM4). SWDM4, SRBD and SR1.2 run on ordinary duplex LC multimode, so existing 10G fibre pairs can be reused.
Is your QSFP-100G-SWDM4 genuine Arista?
Yes. Next Gen Networks supplies original Arista Networks optics, not third-party lookalikes or grey-market stock. Every unit is checked before dispatch, and we share the serial numbers on request so you can verify them in EOS ('show inventory').
What is the QSFP-100G-SWDM4 price in India and how do I order?
The Arista QSFP-100G-SWDM4 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.
How much power does the QSFP-100G-SWDM4 draw?
Arista lists maximum power of 3.5 W for the QSFP-100G-SWDM4. Check your switch's per-port power budget for dense deployments.
Documents
NextGen datasheetPDF · specs, FAQ & buying guideManufacturer datasheet
Arista family datasheet
Related Arista parts
QSFP-100G-SR4100GBASE-SR4, 70 m OM3 / 100 m OM4QSFP-100G-SR4-E100GBASE-SR4, 50 m OM4 (no FEC)QSFP-100G-XSR4100GBASE-XSR4, 150 m OM3 / 300 m OM4QSFP-100G-SR1.2100GBASE-SR1.2, 70 m OM3 / 100 m OM4QSFP-100G-SRBD100GBASE-BIDI, 70 m OM3 / 100 m OM4QSFP-100G-PSM4100GBASE-PSM4, 500 m SMFGovernment, PSU and enterprise orders welcome. GST invoice and pan-India delivery.
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