Your search for "hpe 40gb qsfp+ direct attach" revealed the following:

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

SKU: NSN-0330
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

NEW Ruckus Brocade ICX7400-1X40GQ ICX 7450 1x 40GB QSFP+ Switch Module

SKU: NSN-1679
Condition: New
Shipping: Overnight Options
Warranty: 365 days

Cisco N2K-C2348TQ-E 48x 10GB Copper 6x 40GB QSFP+ B-F Airflow Fabric Extender

SKU: NSH-7699
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days

NEW Dell S4810P-AC-R XR65V 48x 10GB SFP+ 4x 40GB QSFP+ B-F Airflow Switch

SKU: NSN-0109
Condition: New
Shipping: Overnight Options
Warranty: 365 days

Juniper MPC5EQ-40G10G-IRB MX Series 6x 40GB QSFP+ Router Line Card

SKU: NSH-8695
Condition: Seller refurbished
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

NEW Cisco WS-C3850-48XS-F-S 48x 10GB SFP+ 4x 40GB QSFP+ B-F Airflow Switch

SKU: NSN-1788
Condition: New
Shipping: Overnight Options
Warranty: 365 days

NEW Dell S4148FE-ON-RA 48x 10GB SFP+ 2x 40GB QSFP+ 4x QSFP28 B-F No OS10 Switch

SKU: NSN-9967
Condition: New
Shipping: Overnight Options
Warranty: 365 days

Juniper QFX5100-24Q-DC-AFI 24x 40GB QSFP+ 2x Mod Slots B-F Airflow (DC) Switch

SKU: NSH-8214
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days