800G OSFP (IHS/Finned Top) to 2× 400G OSFP (IHS/Finned Top)-800G-DAC-3M10FT 800G OSFP 8 x 100G PAM4 IHS/Finned Top to 2 x 400G OSFP 4 x 100G PAM4 IHS/Finned Top Passive Copper Breakout Cable, 3m (10ft)

The 800G OSFP (IHS/Finned Top) to 2× 400G OSFP (IHS/Finned Top)-800G-DAC-3M10FT compatible assembly is intended for Generic equipment that requires a 800G direct-attached connection. This version is specifically 3m (10ft), with 800G OSFP (IHS/Finned Top) to 2× 400G OSFP (IHS/Finned Top) and its own order reference. Exact length pages and equivalent brand references are linked to make multi-product procurement easier to verify.
OEM Part Number: 800G OSFP (IHS/Finned Top) to 2× 400G OSFP (IHS/Finned Top)-800G-DAC-3M10FTHT Part Number: 800G OSFP (IHS/Finned Top) to 2× 400G OSFP (IHS/Finned Top)-800G-DAC-3M10FT
Product Highlights
- HT-manufactured DAC assembly in 3m (10ft)
- 800G connectivity at 800Gbps
- Interface configuration: 800G OSFP (IHS/Finned Top) to 2× 400G OSFP (IHS/Finned Top)
- Fixed length and part number: 3m (10ft), 800G OSFP (IHS/Finned Top) to 2× 400G OSFP (IHS/Finned Top)-800G-DAC-3M10FT
- Cable construction: Passive Twinax
- Conductor specification: 26AWG
- Maximum power consumption: 0.1W (800G End)0.1W (400G Per End)
- Minimum bend radius: 45mm
Specifications
| HT Part Number | 800G OSFP (IHS/Finned Top) to 2× 400G OSFP (IHS/Finned Top)-800G-DAC-3M10FT |
|---|---|
| Manufacturer | HT |
| Form Factor | 800G OSFP (IHS/Finned Top) to 2× 400G OSFP (IHS/Finned Top) |
| Max. Data Rate | 800Gbps |
| Media | Copper |
| Cable Type | Passive Twinax |
| Minimum Bend Radius | 45mm |
| Max. Power Consumption | 0.1W (800G End)0.1W (400G Per End) |
| Cable Length | 3m (10ft) |
| Wire AWG | 26AWG |
| Commercial Temperature Range | 0 to 70°C (32 to 158°F) |
| Jacket Material | PVC |
| Protocols | OSFP MSA, IEEE 802.3ck, CMIS v4.0 |
| Modulation Format | 8x 100G PAM4 to Dual 4x 100G PAM4 |
Signal and Lane Configuration
The listed modulation format is 8x 100G PAM4 to Dual 4x 100G PAM4. Both host interfaces must be configured for the same aggregate rate and lane arrangement. A connector that fits mechanically does not by itself guarantee that the remote port supports this encoding or breakout mode.
Cable Construction and Routing
This assembly uses 26AWG conductors, PVC jacket, minimum bend radius 45mm. These mechanical characteristics affect how the cable should be dressed behind the equipment. Avoid sharp edges, excessive ties and repeated tight bends close to the connector boots.
Network and Protocol Considerations
The intended application is determined by the host interface and protocol support. Listed interface and protocol references include OSFP MSA, IEEE 802.3ck, CMIS v4.0. Confirm that the host firmware and port configuration support the same operating mode.
Breakout Port Mapping
The 800G OSFP (IHS/Finned Top) to 2× 400G OSFP (IHS/Finned Top) configuration divides the high-speed interface into multiple lower-speed connections. Verify the upstream lane assignment, downstream port speeds and breakout setting on the host before connecting the assembly. Each branch must attach to the correct remote interface.
Passive Copper Operation
A passive DAC has no separate optical conversion stage. Its low-power, low-latency operation is useful for short equipment links, but the assembly must remain within the length and signaling mode accepted by both hosts.
Length Selection and Installation Planning
At 3m (10ft), this assembly can bridge non-aligned ports or adjacent racks while remaining a single direct-attach link. Support longer horizontal runs with suitable cable management and preserve space for cooling and future maintenance.
Position Within the Length Range
800G OSFP (IHS/Finned Top) to 2× 400G OSFP (IHS/Finned Top)-800G-DAC-3M10FT is the longest of 3 verified length options in this family. Compared with 800G OSFP (IHS/Finned Top) to 2× 400G OSFP (IHS/Finned Top)-800G-DAC-2.5M8FT at 2.5m (8ft), it provides 0.5m of additional reach for a longer vertical drop, a wider rack or an adjacent-cabinet route. Confirm that the complete path requires this length, because unused slack still needs supported, bend-safe storage.
Procurement and Port-Mapping Review
A useful purchase order should identify the host platform, the expected OEM code and the exact cable length as separate pieces of information. This prevents a physically similar assembly from being substituted when the port identification or reach is different. For mixed-length installations, prepare one order line per part number and reconcile each delivered cable with its intended pair of ports. For this assembly, the listed conductor specification is 26AWG; the minimum bend radius is 45mm; the stated power consumption is 0.1W (800G End)0.1W (400G Per End); the jacket material is PVC.
Power and Thermal Planning
The rated power consumption is 0.1W (800G End)0.1W (400G Per End). Include this load in the host-port power and thermal budget, especially in densely populated switches. Maintain front-panel clearance and do not bundle the cable so tightly that it obstructs airflow around the connectors.
Generic Compatibility and Factory Testing
Our procurement-oriented compatibility check begins with the OEM reference and ends with a live host link. We record the physical length separately from the identification configuration, so the cable supplied for this page remains the stated version rather than a generic length substitute. The check includes link stability and diagnostic indications, followed by a final inspection of both ends.
Ordering Information
For a clear bill of materials, quote the OEM reference, HT part number, length and quantity on the same line. Add the switch or server model and software release when a pre-order review is required; project labels can repeat those details for receiving and installation teams. Keep 800G OSFP (IHS/Finned Top) to 2× 400G OSFP (IHS/Finned Top)-800G-DAC-3M10FT associated with 3m (10ft) throughout the order and receiving record.
Quality Assurance and Packaging
Before packing, the assembly is checked for connector condition, identification and link operation. Cables for multi-line orders can be labelled and grouped by part number, making it easier to match each length to the procurement record without opening every protective bag. Volume orders can include customer references on the labels and carton list.
Frequently Asked Questions
Is this an original equipment manufacturer cable?
No. It is manufactured by HT under our own manufacturer identity.
How should an unused assembly be stored?
Protect both connector ends, keep the cable in a loose bend-safe coil and retain its part-number label so the length and compatibility identity remain traceable.
Can different brands be connected with the same assembly?
Only where both hosts explicitly support the complete interface and compatibility arrangement. Document each end and select the appropriate brand-specific product when required.
Does this order code cover multiple lengths?
No. 800G OSFP (IHS/Finned Top) to 2× 400G OSFP (IHS/Finned Top)-800G-DAC-3M10FT refers here to 3m (10ft). Every other verified length has a separate part number and page in the length list.
Shipping and Lead Time
Standard configurations normally ship within one to three working days, while production quantities are confirmed with the order. Worldwide courier services are available, with air or sea freight for consolidated shipments; freight-collect delivery and coordination with a customer’s logistics provider can be arranged.