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

Ruckus E40G-QSFP-SR4-INT 40GB BASE-SR4 850nm OM3 MMF QSFP+ Transceiver

SKU: NSB-1453
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days

NEW Extreme 48046 X8 BDXA-40G12X 12x 40GB QSFP+ Switch Module

SKU: NSN-3908
Condition: New
Shipping: Overnight Options
Warranty: 365 days

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

SKU: NSN-3578
Condition: New
Shipping: Overnight Options
Warranty: 365 days

NEW Ruckus E40G-QSFP-SR4-INT 40GB BASE-SR4 850nm OM3 MMF QSFP+ Transceiver

SKU: NSN-1020
Condition: New
Shipping: Overnight Options
Warranty: 365 days

Juniper QFX5100-24Q-AA-AFO 24x 40GB QSFP+ 1x DW Slot Front-to-Back Air Switch

SKU: NSH-8233
Condition: Seller refurbished
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

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

SKU: NSN-3902
Condition: New
Shipping: Overnight Options
Warranty: 365 days

NEW Dell S4048T-ON-RA 210-AHMV 48x 10GB Copper 6x 40GB QSFP+ B-F No OS10 Switch

SKU: NSN-9961
Condition: New
Shipping: Overnight Options
Warranty: 365 days

NEW Nvidia Mellanox MC2210511-LR4 40GB BASE-LR4 1310nm SMF LC QSFP+ Transceiver

SKU: NSN-8602
Condition: New
Shipping: Overnight Options
Warranty: 365 days

NEW Dell S4148T-ON 48x 10GB Copper 2x 40GB QSFP+ 4x QSFP28 F-B No OS10 Switch

SKU: NSN-9964
Condition: New
Shipping: Overnight Options
Warranty: 365 days