Your search for "HPE 40GB QSFP+ Direct Attach" revealed the following:
Extreme EC8404006-E6 8418XTQ 16x 10GB Copper 2x 40GB QSFP+ Switch Module
SKU: NSH-9242
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
Nvidia Mellanox MTS3600Q-1UNC 36x 40GB QSFP+ InfiniScale IV QDR Switch
SKU: NSB-3070
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
Fortinet FS-548D-FPOE 48x PoE+ RJ45 4x SFP+ 2x QSFP+ Registrable Switch
SKU: NSC-0174
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
Extreme EC8200A01-E6 VSP 8200 80x 10GB SFP+ 4x 40GB QSFP+ Switch
SKU: NSH-8660
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
NEW Arista DCS-7300X-64T-LC 48x 10GB Copper 4x 40GB QSFP+ Switch Line Card
SKU: NSN-2182
Condition: New
Shipping: Overnight Options
Warranty: 365 days
NEW Juniper EX-UM-2QSFP-MR EX4300 Series 2x 40GB QSFP+ Switch Module
SKU: NSN-4692
Condition: New
Shipping: Overnight Options
Warranty: 365 days
Ruckus Brocade ICX7650-48P-E2 48x 1GB PoE+ RJ45 4x 40GB QSFP+ F-B Air Switch
SKU: NSB-6286
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
Mellanox MIS5031Q-1SFC 18x 40GB QSFP+ Back-to-Front Airflow (P2C) Switch
SKU: NSB-1067
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
NEW Cisco N2K-C2348TQ 48x 10GB Copper 6x 40GB QSFP+ F-B Air Fabric Extender
SKU: NSN-0446
Condition: New
Shipping: Overnight Options
Warranty: 365 days
NEW Nvidia Mellanox MCP1600-C003E26N 3m 100GB QSFP28 Direct Attach Copper Cable
SKU: NSN-8575
Condition: New
Shipping: Overnight Options
Warranty: 365 days