HPE Aruba JL666A is the exact ordering identifier covered here, in the CX 6300 range. The reviewed specification records access ports: 24 x 10/100/1000BASE-T PoE+; uplinks: 4 x SFP56; 1/10/25G; 50G with DACs only; fastest access port: 1G. Use this guide to decide what to include in a configuration request, rather than treating similar model numbers as interchangeable.
Specifications that define this model
The values below retain the source qualifiers. A missing field is not evidence that a capability is included or absent.
| Specification | Recorded value |
|---|---|
| Access ports | 24 x 10/100/1000BASE-T PoE+ |
| Uplinks | 4 x SFP56; 1/10/25G; 50G with DACs only |
| Fastest access port | 1G |
| PoE | PoE+ |
| PoE budget | 370 W |
| Layer | L3 |
| Switching capacity | 448 Gbps |
| Stacking | VSF; up to 10 members; 200 Gbps (400 Gbps full duplex) |
| Management | Cloud or on-premises |
| Form factor | 1U rack |
| Power supplies | Fixed internal 950W power supply |
How to evaluate this exact configuration
Access connections
Access connections for JL666A: 24 x 10/100/1000BASE-T PoE+. List the endpoints, required link speeds and spare connections before choosing the switch count. Do not count an uplink socket as another equivalent copper endpoint port.
Uplink arrangement
Uplink arrangement for JL666A: 4 x SFP56; 1/10/25G; 50G with DACs only. Match the upstream port format, cable or transceiver, link speed and intended redundancy. Retain every qualification in the stated uplink arrangement when preparing the bill of materials.
Power over Ethernet
Power over Ethernet for JL666A: PoE+. Check the endpoint's power requirement and the total budget of the supplied power configuration. Multiplying a per-port maximum by the number of ports is not a valid way to infer the available PoE budget.
Power supply configuration
Power supply configuration for JL666A: Fixed internal 950W power supply. Write the required supply quantity, input power and airflow into the quote. A supply slot and an included supply are different bill-of-materials items.
Compare nearby ordering codes
| Model | Access ports | Power supplies | Uplinks |
|---|---|---|---|
| JL666A | 24 x 10/100/1000BASE-T PoE+ | Fixed internal 950W power supply | 4 x SFP56; 1/10/25G; 50G with DACs only |
| JL661A | 48 x 10/100/1000BASE-T PoE+ | Two hot-swappable PSU slots; minimum one PSU ordered separately | 4 x SFP56; 1/10/25G; 50G with DACs only |
| JL662A | 24 x 10/100/1000BASE-T PoE+ | Two hot-swappable PSU slots; minimum one PSU ordered separately | 4 x SFP56; 1/10/25G; 50G with DACs only |
These are specification comparisons, not statements that the models are drop-in replacements. Compare the configuration limits before choosing an alternative.
JL661A manufacturer reference · JL662A manufacturer reference
Questions before you request a quote
Which product does JL666A identify?
It identifies HPE Aruba Networking CX 6300F 24-port Gigabit Class 4 PoE+ switch. Keep JL666A on the requirement and quote; a family name alone does not fix the ordering configuration.
How is JL666A managed?
The recorded management approach is Cloud or on-premises. Confirm the software, management platform and deployment requirements for the offered configuration.
What should I check before ordering JL666A?
Start with the specification and configuration checks above, then state the quantity, destination and intended connections or platform. Ask for the exact contents of the offered configuration and identify every proposed substitution separately.
Build a clear requirement
Specify JL666A, quantity and delivery country, then add the configuration information discussed above. Keep accessories and any accepted alternative as separate lines. Request current pricing and availability rather than relying on an article for live commercial information.
View the JL666A product listing · Browse HPE Aruba switches · Request a quote
For the wider selection process, read the related buying guide.
Sources and scope
Document and identifier checks: 2026-10-17. Prepared from manufacturer documentation and the catalogue's recorded specifications; no hands-on benchmark is claimed. Confirm destination-specific options and configuration eligibility against the source documents. Prices, stock, delivery dates and coverage terms are not established by this guide.