Arista Networks A-O800-O800-3M Compatible 800G OSFP 8 x 100G PAM4 IHS/Finned Top Active Optical Cable, 3m (10ft)
This page gives procurement and network teams a precise reference for Arista Networks A-O800-O800-3M: a 800G AOC assembly in a fixed 3m (10ft) configuration. The OSFP (IHS/Finned Top) to OSFP (IHS/Finned Top) interface, HT ordering identity and verified specifications are presented together so the required cable can be matched to the bill of materials without confusing it with another length.
OEM Part Number: A-O800-O800-3MHT Part Number: A-O800-O800-3M
Product Highlights
- Compatible alternative to Arista Networks A-O800-O800-3M
- 800G connectivity at 800Gbps
- Interface configuration: OSFP (IHS/Finned Top) to OSFP (IHS/Finned Top)
- Fixed length and part number: 3m (10ft), A-O800-O800-3M
- Cable construction: Active Optical Cable
- Maximum power consumption: 14W Per End
- Minimum bend radius: 30mm
- Operating temperature: 0 to 70°C (32 to 158°F)
Specifications
| HT Part Number | A-O800-O800-3M |
|---|---|
| Arista Networks Compatible | A-O800-O800-3M |
| Manufacturer | HT |
| Form Factor | OSFP (IHS/Finned Top) to OSFP (IHS/Finned Top) |
| Max. Data Rate | 800Gbps |
| Cable Length | 3m (10ft) |
| Cable Type | Active Optical Cable |
| Wavelength | 850nm |
| Minimum Bend Radius | 30mm |
| Transmitter Type | VCSEL |
| Receiver Type | PIN |
| Max. Power Consumption | 14W Per End |
| Modulation Format | 8x 100G-PAM4 |
| CDR (Clock and Data Recovery) | TX & RX Built-in CDR |
| Jacket Material | OFNP |
| DDM/DOM | Supported |
| Commercial Temperature Range | 0 to 70°C (32 to 158°F) |
| Protocols | OSFP MSA, CMIS Rev 4.0, SFF-8679, IEEE 802.3bs |
Signal and Lane Configuration
The listed modulation format is 8x 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.
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 minimum bend radius is 30mm; the stated power consumption is 14W Per End; the jacket material is OFNP.
Power and Thermal Planning
The rated power consumption is 14W 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.
Cable Construction and Routing
This assembly uses OFNP jacket, minimum bend radius 30mm. 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, CMIS Rev 4.0, SFF-8679, IEEE 802.3bs. Confirm that the host firmware and port configuration support the same operating mode.
Integrated Optical Assembly
The optical engines and fiber are permanently integrated into this AOC. There are no detachable optical modules to clean or exchange. Handle the complete assembly by its connector housings and cable, and keep both ends matched to the same interface specification.
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
A-O800-O800-3M occupies the middle of this family between A-O800-O800-1M at 1m (3ft) and A-O800-O800-5M at 5m (16ft). It adds 2m over the shorter option for extra routing clearance, while the next longer version adds another 2m. Measure the managed path and choose this version when its reach is sufficient without creating the slack associated with the longer assembly.
Arista Networks 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 receive activity 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 A-O800-O800-3M 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. Standard protective packing is used by default, with project documentation arranged when requested.
Frequently Asked Questions
Is this an original Arista Networks cable?
No. It is an HT-manufactured compatible alternative for equipment that specifies Arista Networks A-O800-O800-3M.
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. A-O800-O800-3M refers here to 3m (10ft). Every other verified length has a separate part number and page in the length list.
Are separate transceivers or patch leads required?
No. This is one complete direct-attach assembly. The ends are not detachable modules and should not be separated from the cable.
Shipping and Lead Time
Available stock is generally dispatched within one to three working days after order confirmation, with production lead times advised for larger quantities. International express, air cargo and sea freight can be selected according to destination and carton volume; customer courier accounts and nominated forwarders are also accepted.