StarTech FD121-KVM-EXTENDER DisplayPort Fiber Optic KVM Extender, Black
Key Specifications
Choose one or multiple features to search for items that have the same specifications.| System requirements | |
| Mac compatibility | ![]() |
| Ports & interfaces | |
| Ethernet LAN | ![]() |
| USB connector type | USB Type-A |
| USB 1.1 ports quantity | 3 |
| USB version | USB 1.1 |
| USB connectivity | ![]() |
| Installed SFP+ modules quantity | 2 |
| Weight & dimensions | |
| Weight | 500 g |
| Height | 28 mm |
| Width | 78 mm |
| Depth | 114 mm |
| Receiver depth | 10 cm |
| Receiver height | 2.8 cm |
| Receiver width | 7.4 cm |
| Transmitter depth | 10 cm |
| Transmitter height | 2.8 cm |
| Transmitter width | 7.4 cm |
| Receiver weight | 235 g |
| Transmitter weight | 235 g |
| Energy management | |
| Power consumption (typical) | 10 W |
| AC adapter output voltage | 5 V |
| AC adapter output current | 2 A |
| External power adapter | ![]() |
| Input current | 0.3 A |
| AC input voltage | 100 - 240 V |
| Power consumption (receiver) (max) | 10 W |
| Power consumption (transmitter) (max) | 10 W |
| Operational conditions | |
| Operating relative humidity (H-H) | 0 - 80% |
| Storage temperature (T-T) | -10 - 60 °C |
| Operating temperature (T-T) | 0 - 50 °C |
| Packaging data | |
| Package weight | 1 kg |
| Package depth | 175 mm |
| Package height | 70 mm |
| Package width | 306 mm |
| Packaging content | |
| Cables included | Mini-USB |
| Quick installation guide | ![]() |
| Included power plug types | ANZ, EU, NA, UK |
| Other features | |
| Mean time between failures (MTBF) | 156000 h |
| USB required | ![]() |
| Extended display identification data (EDID) | ![]() |
| Compliance certificates | RoHS, Trade Agreements Act (TAA) |
| Receiver | |
| Receiver local video port type | DisplayPort |
| Transmitter | |
| Number of displays supported | 1 |
| Transmitter local video port | ![]() |
| Transmitter local video port type | DisplayPort |
| Features | |
| Type | Transmitter & receiver |
| Plug and Play | ![]() |
| LED indicators | ![]() |
| Connectivity technology | Wired |
| Product colour | Black |
| On Screen Display (OSD) | ![]() |
| Housing material | Steel |
| Maximum digital resolution | 4096 x 2160 pixels |
| Maximum refresh rate | 60 Hz |
| Supported resolutions | 4096 x 2160 @ 60hz 3840 x 2160 @ 60hz 3440 x 1440 @ 60hz 3200 x 1800 @ 60hz 3072 x 1728 @ 60hz 2560 x 1440 @ 60hz 2048 x 1536 @ 60hz 1920 x 1200 @ 60hz 3840 x 1080 @ 60hz 1920 x 1080 @ 60hz 1760 x 990 @ 60hz 1680 x 1050 @ 60hz 1600 x 1200 @ 60hz 1600 x 900 @ 60hz 1440 x 900 @ 60hz 1366 x 768 @ 60hz 1280 x 1024 @ 60hz 1280 x 720 @ 60hz 1128 x 634 @ 60hz 1024 x 768 @ 60hz 800 x 600 @ 60hz |
| Mac operating systems supported | MacOS |
| Maximum transfer distance | 300 m |
| Logistics data | |
| Master (outer) case height | 275 mm |
| Master (outer) case width | 410 mm |
| Master (outer) case length | 323 mm |
| Products per master (outer) case | 6 pc(s) |
| Sustainability | |
| Sustainability compliance | ![]() |
| EAN | 0065030901123 |
| Warranty | 2 years |
The StarTech FD121-KVM-EXTENDER is a kit designed to transmit DisplayPort and USB signals over fiber optic cable. It enables control of a computer or KVM switch from a distance of up to 300 meters using the included multi-mode SFP+ modules. The extender maintains video fidelity by supporting 4K resolutions at 60Hz with 4:4:4 chroma subsampling, suitable for applications requiring precise image quality. EDID pass-through technology is integrated to ensure proper communication and settings between the source and the connected display.
The unit is constructed with a steel chassis that provides durability and helps mitigate electromagnetic interference in various environments. It includes three USB 1.1 HID ports, allowing for the connection of standard input devices such as a keyboard and mouse. This device is compatible with both Windows and macOS systems, offering plug-and-play functionality for a direct setup process. Power is supplied to both the transmitter and receiver units via external power adapters, and LED indicators display connection status.
Key Features:- Extends DisplayPort and USB signals over fiber optic cable
- Supports video resolutions up to 4K at 60Hz
- Operates up to 300 meters with included SFP+ modules
- Features three USB 1.1 HID ports for peripherals
- Constructed from a steel enclosure for durability
- Compatible with Windows and macOS operating systems
- Requires an external power adapter for operation
- Measures 28 mm x 78 mm x 114 mm
- Weighs 500 g
Estimated delivery: 04.03 - 06.03
Today: 10:00 - 18:00
Estimated delivery: 04.03 - 06.03
Today: 09:00 - 17:00
Estimated delivery: 04.03 - 06.03
Today: 10:00 - 17:00
Estimated delivery: 04.03 - 06.03
Today: 10:00 - 18:00
Estimated delivery: 04.03 - 06.03
Today: 10:00 - 17:00
Estimated delivery time: 04.03 - 06.03
Estimated delivery time: 04.03 - 05.03
Estimated delivery time: 05.03 - 06.03
Estimated delivery time: 05.03 - 06.03
Estimated delivery time: 05.03
Estimated delivery time: 04.03 - 06.03
Estimated delivery time: 04.03 - 06.03
Estimated delivery time: 05.03
- manual pdf (English)
- leaflet (English)
- leaflet (Svenska)


