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Arista QSFP-100G-SRBD 100GBASE-BIDI QSFP28 855 / 908nm
100 Gbps 100GBASE-BIDI QSFP28 transceiver, 855 / 908 nm (BiDi), up to 70 m OM3 / 100 m OM4, 0 to 70 °C case temperature.
- Manufacturer
- Arista Networks, Inc.
- Mfr part number
- QSFP-100G-SRBD
- Series
- 100G QSFP28
- Category
- Fiber optic transceiver modules
- Datasheet
- QSFP-100G-SRBD datasheet (PDF)
QSFP-100G-SRBD specifications
| Attribute | Value |
|---|---|
| Part Number | QSFP-100G-SRBD |
| Manufacturer | Arista Networks, Inc. |
| Brand | Arista Networks |
| Standard | 100GBASE-BIDI |
| Form Factor | QSFP28, hot-swappable |
| Data Rate | 100 Gbps |
| Wavelength | 855 / 908 nm (BiDi) |
| Media | Duplex multimode (OM3/OM4) |
| Max Distance | 70 m OM3 / 100 m OM4 |
| Connector | Duplex LC |
| Tx Power | −6 to +4 dBm/lane |
| Rx Power | −7.9 to +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-SRBD
The Arista QSFP-100G-SRBD is a hot-swappable QSFP28 100GBASE-BIDI 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-BIDI up to 70 m OM3 / 100 m OM4
- 100G over one duplex LC multimode pair
- Breakout partner for 400G-SRBD
- Duplex LC connector · Duplex multimode (OM3/OM4)
- Genuine Arista optic · GST invoice · pan-India dispatch
QSFP-100G-SRBD: frequently asked questions
What is the Arista QSFP-100G-SRBD?
The Arista QSFP-100G-SRBD is a QSFP28 100GBASE-BIDI 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-SRBD?
Arista specifies the QSFP-100G-SRBD 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-SRBD?
Per Arista's published optics data sheet, the QSFP-100G-SRBD transmits −6 to +4 dBm/lane and receives −7.9 to +4 dBm/lane.
Which fiber and connector does the QSFP-100G-SRBD need?
The QSFP-100G-SRBD uses a Duplex LC connector on duplex multimode (OM3/OM4), at 855 / 908 nm (BiDi). BiDi optics must be installed as a matching pair.
Is the QSFP-100G-SRBD 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.
QSFP-100G-SRBD vs QSFP-100G-SR1.2: what is the difference?
Both carry 100G over duplex LC multimode. SRBD is 100GBASE-BIDI; SR1.2 is IEEE 100GBASE-SR1.2 with KP4 FEC. Use the same type at both ends.
Is your QSFP-100G-SRBD 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-SRBD price in India and how do I order?
The Arista QSFP-100G-SRBD 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-SRBD draw?
Arista lists maximum power of 3.5 W for the QSFP-100G-SRBD. 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-SR1.2100GBASE-SR1.2, 70 m OM3 / 100 m OM4QSFP-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-SWDM4100GBASE-SWDM4, 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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