Your search for "HPE 40GB QSFP+ Direct Attach" revealed the following:

NEW Juniper EX9200-6QS 6x 40GB QSFP+ Switch Line Card

SKU: NSN-3884
Condition: New
Shipping: Overnight Options
Warranty: 365 days

NEW Cisco N5624-B-24Q 24x 40GB QSFP+ Front-to-Back Airflow Switch

SKU: NSN-0330
Condition: New
Shipping: Overnight Options
Warranty: 365 days

NEW Nvidia Mellanox MC2210411-SR4E 40GB BASE-SR4 850nm MMF QSFP+ Transceiver

SKU: NSN-8601
Condition: New
Shipping: Overnight Options
Warranty: 365 days

NEW Juniper QFX5100-24Q-D-3AFO 24x 40GB QSFP+ 2x Mod Slots F-B Air (DC) Switch

SKU: NSN-3779
Condition: New
Shipping: Overnight Options
Warranty: 365 days

NEW Juniper QFX5100-48S-DC-AFI 48x 10GB SFP+ 6x 40GB QSFP+ B-F Air (DC) Switch

SKU: NSN-3947
Condition: New
Shipping: Overnight Options
Warranty: 365 days

NEW Fortinet FS-548D-FPOE 48x PoE+ 4x SFP+ 2x QSFP+ Local Manage Only Switch

SKU: NSN-8454
Condition: New
Shipping: Overnight Options
Warranty: 365 days

NEW Juniper QFX5100-24Q-DC-AFO 24x 40GB QSFP+ 2x Mod Slots F-B Air (DC) Switch

SKU: NSN-3903
Condition: New
Shipping: Overnight Options
Warranty: 365 days

NEW Nvidia Mellanox MCP1600-C01AE30N 1.5m 100GB QSFP28 Direct Attach Cable

SKU: NSN-8574
Condition: New
Shipping: Overnight Options
Warranty: 365 days

NEW Cisco N3K-C3016Q-40GE Nexus 3000 16x 40GB QSFP+ Front-to-Back Airflow Switch

SKU: NSN-2524
Condition: New
Shipping: Overnight Options
Warranty: 365 days

SuperMicro SSE-X3348TR 48x 10GB Copper 4x 40GB QSFP+ 2x 1GB RJ45 (Rev) Switch

SKU: NSB-7199
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days