Your search for "HPE CX4" revealed the following:
NEW HPE Aruba JL700A CX 8360 Series 8360-32Y4C Front-to-Back Air Switch Bundle
SKU: NSN-0197
Condition: New
Shipping: Overnight Options
Warranty: 365 days
HPE Aruba JL726B CX 6200F Series 48x 1GB RJ-45 4x 10GB SFP+ Switch
SKU: NSB-8344
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
NEW HPE Aruba R0X41A CX 6400 48x 5GB PoE RJ45 4x 1GB SFP56 Switch Line Card
SKU: NSN-9133
Condition: New
Shipping: Overnight Options
Warranty: 365 days
NEW HPE JH232A 40GB BASE-LR4 LC SM QSFP+ Transceiver
SKU: NSN-4251
Condition: New
Shipping: Overnight Options
Warranty: 365 days
NEW HPE Aruba JL701A CX 8360 Series 8360-32Y4C Back-to-Front Air Switch Bundle
SKU: NSN-0458
Condition: New
Shipping: Overnight Options
Warranty: 365 days
HPE 862976-B21 DDR4-2400 CAS-17-17-17 Unbuffered 16GB Dual Rank x8 Memory
SKU: NSB-4744
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
NEW HPE Aruba R0X26A CX 6405 Switch Chassis Bundle
SKU: NSN-8062
Condition: New
Shipping: Overnight Options
Warranty: 365 days
HPE Aruba JL701A CX 8360 Series 8360-32Y4C Back-to-Front Airflow Switch Bundle
SKU: NSB-8104
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
HPE Aruba R0X26A CX 6405 Series Switch Chassis Bundle
SKU: NSB-6462
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
NEW HPE Aruba R0X44A CX 6400 Series 48x 25GB SFP28 Switch Line Card
SKU: NSN-0523
Condition: New
Shipping: Overnight Options
Warranty: 365 days