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Description
Cisco Qsfp28 100Gbase Sr Bidi Optical Transceiver High Density 100G Data Center And Cloud Network Module EthernetEngineered for high density data centers, cloud networks, and hyperscale deployments, the Cisco QSFP28 100GBASE SR BiDi optical transceiver delivers ultrafast, reliable connectivity with exceptional cable efficiency. This purpose built module is designed to maximize rack space, simplify switching fabric upgrades, and provide predictable performance across modern spine leaf architectures. Built to integrate seamlessly with Cisco platforms, it offers
Engineered for high-density data centers, cloud networks, and hyperscale deployments, the Cisco QSFP28 100GBASE-SR BiDi optical transceiver delivers ultrafast, reliable connectivity with exceptional cable efficiency. This purpose-built module is designed to maximize rack space, simplify switching fabric upgrades, and provide predictable performance across modern spine-leaf architectures. Built to integrate seamlessly with Cisco platforms, it offers plug-and-play deployment, robust thermal management, and optimized power efficiency to help data centers scale without compromising uptime or total cost of ownership. With BiDi technology and a compact QSFP28 form factor, you can unlock stable 100G uplinks across multi-mode fiber while maintaining clean cabling and straightforward administration. From enterprise campuses to hyperscale clouds, this transceiver is the dependable backbone that keeps your network moving at the speed of business, delivering the bandwidth you need for workloads such as virtualization, AI/ML, real-time analytics, and high-volume storage replication.
- High-density 100G connectivity: Delivers 100 Gigabit Ethernet over multi-mode fiber using a QSFP28 form factor, enabling scalable uplinks and spine-leaf architectures while preserving valuable rack space and reducing port sprawl in dense data-center racks.
- BiDi fiber efficiency: Bi-Directional signaling uses two wavelengths on a single fiber pair, doubling fiber utilization and simplifying cabling. This technology preserves fiber counts while delivering full 100G performance, making growth and upgrades faster and easier for growing networks.
- LC duplex optical interface: Features a single LC duplex connector for clean, reliable optical connections. The LC interface is widely adopted in data centers and pairs with OM3/OM4 multimode fiber to support long-term expansion without changing existing cabling paths.
- Cisco-optimized reliability and compatibility: Specifically engineered to integrate with Cisco switching and routing platforms, providing guaranteed compatibility, predictable performance, and straightforward maintenance for consistent network uptime and easier administration.
- Plug-and-play deployment with efficient heat and power management: Hot-swappable and designed for straightforward installation, testing, and troubleshooting. The module helps reduce downtime and accelerate return on investment while delivering optimized power efficiency and effective heat dissipation for dense deployments.
Technical Details of Cisco QSFP Module
- Interface/Form Factor: QSFP28 form factor designed for 100GBASE-SR BiDi applications
- Data Rate: 100 Gigabit Ethernet (100G)
- Module Type: SR BiDi transceiver for multimode fiber
- Fiber Type: Multimode fiber (OM3/OM4 suitable); optimized for high-density data center deployments
- Connector: 1 x LC duplex optical connector
Note: Specifications are cited from the ec.synnex.com listing, referenced by SKU/UPC for accuracy and consistency with the product listing.
How to install Cisco QSFP Module
- Prepare the device: Power down the host device or place it into maintenance mode per your data center protocol to minimize any risk during the hot-swapping process.
- Locate the QSFP28 port: Identify an available QSFP28 port on the switch or router intended for 100GBASE-SR BiDi operation.
- Remove the existing module: If a module or blanking insert occupies the port, carefully extract it, taking care to avoid electrostatic discharge (ESD). Use appropriate anti-static precautions and grounding.
- Insert the Cisco QSFP module: Align the module with the connector and insert it firmly until it seats and engages with the port latch. Ensure the module is oriented correctly and that no force is applied to the optical connectors.
- Attach fiber cabling: Connect the two fibers for the LC duplex interface to the corresponding OM3/OM4 cables, ensuring secure, clean connections and proper routing to prevent cable strain.
- Power up and verify: Restore power or exit maintenance mode, and verify the link status via the device’s management interface. Confirm 100G link integrity, perform basic loopback or traffic tests, and validate expected throughput.
- Monitor and optimize: Check temperature and power consumption on the device, ensuring adequate airflow. Update any necessary firmware or device configurations to optimize performance and reliability for your specific workloads.
Frequently asked questions
- What is 100GBASE-SR BiDi, and when should I use it? This transceiver supports 100 Gigabit Ethernet signaling over multimode fiber using Bi-Directional (BiDi) technology. It is ideal for high-density data centers where fiber counts and cable management matter, and where you want to maximize uplink bandwidth with fewer fibers in the backbone.
- Which fiber and connector types are supported? The module is optimized for multimode fiber, specifically OM3 and OM4, with a single LC duplex optical connector. This makes it compatible with common data-center fiber paths and standard cabling practices.
- Is the Cisco QSFP28 100GBASE-SR BiDi compatible with Cisco devices? Yes. The module is designed to integrate with Cisco switching and routing platforms, providing plug-and-play deployment, predictable performance, and streamlined maintenance for Cisco-based networks.
- What are the benefits of BiDi technology in a data center? BiDi reduces fiber count and simplifies cabling by transmitting and receiving data on two wavelengths over a single fiber pair. This can lower cabling complexity, save space in racks, and simplify upgrades in dense environments.
- How do I verify a successful installation? After insertion, check the port status on the network device to confirm a 100G link. Run basic connectivity tests, monitor link performance, and review heat and power metrics to ensure stable operation under load.
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4.5 ★★★★★
Based on 16 reviews
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Product Reviews
★★★★★ 5
Stable, flexible in deployment configuration, creates true privacy and looks great.
Size: 3 Panel 12FT W
This is the second room divider panel I have installed, and there are several features about this one that I like much better than my older one.
The fact that there are no gaps and that the material is thicker means you get more privacy or more hiding power, if you wish. My older divider has vertical spaces between each of the panels and the panels are half as wide as the Siebwin panels, so there are many vertical spaces. The Siebwin divider really creates privacy.
Another feature that I really appreciate is that the legs are wider and stand off from the floor. On my older one the legs are flat and they're rather awkward to adjust because they create more drag on the floor. The feet on the older one also loosen if you turn them counter clockwise, so adjustments of configuration that require the feet to be moved are more complex.
The older divider also must be deployed in a zig-zag fashion because he feet are not as wide, but this new one can be deployed and stable in a straight, an "N" shape or an arc. They are both the same length, but because the older one must be use in a zig-zag deployment it doesn't reach to the length of the new one.
The Siebwin divider definitely costs more at $103.48, but it sports several features and advantages over the other brand, so it does a better job and is worth the extra cost.
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Reviewed in the United States on May 25, 2026
★★★★★ 4
Easy to assemble, does the job, material is shiny nylon and shows creases, minor defects, sloppy
Size: 3 Panel 12FT W, Size: 3 Panel 12FT W
The Siebwin room divider is a good idea, and for the price, it mostly delivers on the intended functionality. I ordered the 12 foot, 3-panel version mainly to hide an unfinished basement storage area that had become an eyesore. It works well for that purpose and gives the space a cleaner appearance without spending the kind of money that more decorative dividers or custom partitions cost. If you need something temporary, portable, or mainly functional, this is a viable option.
There are a few limitations that became obvious during setup and use. The first thing I noticed was that the weld quality on some of the metal poles is fairly sloppy. Once the cover is installed, you do not really see it, but up close, it does not look especially refined or professional. The blackout material also is not a matte canvas style fabric as I expected. It has more of a shiny nylon appearance, and the creases are fairly visible. Being that it’s more of a nylon, I’d be hesitant to try steaming it to remove the creases. However, the creases do not matter if you are using it in a basement, dorm, or shared room, but for photography, video work, or a professional office setting, the appearance could be disappointing. The fabric is thick enough, though. It blocks visibility well enough, but strong light behind it still shows through to some extent, nothing deal-breaking. Also, my fabric appeared to be slightly defective. The hook and loop strip on one of the bottom sections was off-center and couldn't be totally attached because it was lined up with one of the legs. I originally hoped to use this as a video backdrop, but I will probably end up replacing the fabric with a proper green screen or canvas material while continuing to use the frame itself. For now, it does a good job of covering my basement junk.
Assembly was actually easier than I expected and took roughly 15 to 20 minutes. The longer vertical poles are tethered together similarly to tent poles, which made setup straightforward and fairly intuitive. The shorter horizontal pieces slide and snap together to the top and bottom of the vertical assembly. After each section is assembled, the divider panels connect together with metal plates and two knurled screws (at the top and bottom), so no tools are really required. A few screws were difficult to start because paint had gotten into the threads, but once they caught, they tightened down normally. The feet install with similar knurled fasteners and help keep the divider reasonably stable. One thing to watch for during setup is the fabric orientation. There is one arrow indicator in the middle of the fabric to indicate up. However, if you need another indicator, the smaller hook and loop strip goes on the bottom while the longer strip goes on top. I realized mine was upside down right before finishing and had to redo it. I wasn't difficult to redo, despite the defect in mine.
The overall design is practical and easy to move around. I do like that the panels can fold and bend into different shapes depending on the space. The widened feet help stability, although when trying to stretch the fabric tight, I noticed the poles sometimes wanted to overlap slightly at the joints. Tightening everything helped somewhat, but it still happened occasionally. The divider feels adequate for normal indoor use, though I would not expect premium durability or luxury-level fit and finish at this price point. The entire device can also be easily disabled and stored in a tote if you need it completely out of the way. It comes with assembly instructions, but even if you didn’t have them, it’s easy to build without them (save a mistake or two).
In terms of value, I think the Siebwin divider mostly matches its price. Around $100 gets you a large freestanding partition with decent usability and easy assembly, but there are compromises in materials, appearance, and refinement. The defects are also off-putting, but hopefully you won't have them. Higher-end room dividers can easily cost two or three times more, so some of the tradeoffs are expected. I also noticed cheaper alternatives online, but based on the quality here, I suspect those would probably have even more issues. For practical home use, temporary privacy, hiding storage areas, or separating shared spaces, this is a good option as long as expectations stay realistic.
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Reviewed in the United States on May 18, 2026
★★★★★ 3
Works well but takes up more space than expected
Size: 2 Panel 8FT W, Size: 2 Panel 8FT W
This room divider does the job for creating a little extra privacy and was easy enough to set up. The panels feel decent quality and the wider feet help keep it more stable than some cheaper screens I’ve tried. My only issue is that it takes up a bit more room than I expected, especially with the feet sticking out. It’s still portable and folds away nicely, but definitely measure your space first. Overall it works well for separating a room or blocking off an area temporarily. i wish it came in other colors
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Reviewed in the United States on May 26, 2026
★★★★★ 5
Nice divider, serves it's purpose well!
Size: 3 Panel 12FT W
This room divider worked out very well for what I needed. I wanted a simple way to create a little more privacy and separation in a larger room without doing anything permanent, and this divider was an easy solution. The panels provide good coverage, and the black color gives it a clean, modern appearance that blends in nicely with different décor styles.
Assembly was fairly straightforward, and once set up, the wider feet helped keep the divider stable on the floor. I was especially happy with how flexible the panels are to arrange. You can keep it mostly straight, angle it around furniture, or create a more enclosed private space depending on the layout you need.
The material allows light to filter through slightly while still offering a noticeable sense of privacy. I’ve used it for separating a workspace area, but it would also work well in bedrooms, apartments, dorms, studios, or shared living spaces. Another plus is that it can be folded and moved without too much effort when you want to change the setup.
Overall, this divider delivers a good balance of functionality, portability, and appearance. It’s a practical option for anyone needing temporary room separation without installing permanent walls or curtains.
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Reviewed in the United States on May 26, 2026
★★★★★ 5
Perfect for Adding Privacy to a Piano Studio
Size: 2 Panel 8FT W, Size: 2 Panel 8FT W
I Ordered the 2 Panel version which is way too big for my needs... that's on me. So keep in mind that the picture shows a fabric made for two panels only being used on one and hence it is not pulled tight; it would pull tight and not be so wrinkly if it was set up properly as two panels. The metal pools that make up the panels seem to be well made, stable, and of good quality. They were very easy to put together and they stand up tall with plenty of height. The appearance of it with the fabric on it isn't as elegant as it could be, but it still looks good enough. The material is plenty solid, not allowing light through it, and thereby making a solid barrier. I am using it to block the view out the studio door when a student is sitting at the piano to avoid distractions from the hallway. It will allow a student to enter the studio with our distracting the student who is at the piano.
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Reviewed in the United States on May 18, 2026