Your search for "HPE 40GB QSFP+ Direct Attach" revealed the following:
NEW HPE Aruba JL624A 48x 25GB SFP28 8x 100GB QSFP28 Front-to-Back Airflow Switch
SKU: NSN-3639
Condition: New
Shipping: Overnight Options
Warranty: 365 days
Extreme VSP4900-48P 48x 1GB PoE 4x 10GB SFP+ 2x 25GB SFP28 1x 40GB QSFP+ Switch
SKU: NSB-4649
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
NEW Extreme 17705 Summit X770 32x 40GB QSFP+ F-B Airflow Switch
SKU: NSN-3824
Condition: New
Shipping: Overnight Options
Warranty: 365 days
Cisco N2K-C2348TQ-E 48x 10GB Copper 6x 40GB QSFP+ F-B Airflow Fabric Extender
SKU: NSB-7162
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
NEW Cisco N5K-C5648Q 24x 40GB QSFP+ 2x GEM Slot Front-to-Back Air Switch Chassis
SKU: NSN-3539
Condition: New
Shipping: Overnight Options
Warranty: 365 days
Nvidia Mellanox MCP1600-C001E30N 1m 100GB QSFP28 Direct Attach Copper Cable
SKU: NSB-2905
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
NEW Juniper MPC7E-MRATE MX Series 12x 40GB QSFP+ Router Line Card
SKU: NSN-9731
Condition: New
Shipping: Overnight Options
Warranty: 365 days
Juniper QFX5110-32Q-DC-AFI 32x 40GB QSFP+ Back-to-Front Airflow (DC) Switch
SKU: NSH-8246
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
NEW Arista DCS-7050TX-72Q-R 48x 10GB Copper 6x 40GB QSFP+ B-F Airflow Switch
SKU: NSN-4224
Condition: New
Shipping: Overnight Options
Warranty: 365 days
Juniper QFX5100-24Q-D-3AFI 24x 40GB QSFP+ 2x Mod Slots B-F Air (DC) Switch
SKU: NSH-8234
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days