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

NEW Arista DCS-7050SX-72Q-F 48x 10GB SFP+ 6x 40GB QSFP+ Front-to-Back Air Switch

SKU: NSN-2402
Condition: New
Shipping: Overnight Options
Warranty: 365 days

NEW Arista DCS-7250QX-64-F 64x 40GB QSFP+ Front-to-Back Airflow Switch

SKU: NSN-2459
Condition: New
Shipping: Overnight Options
Warranty: 365 days

NEW Cisco N3K-C3172PQ-XL 48x 10GB SFP+ 6x 40GB QSFP+ Front-to-Back Air Switch

SKU: NSN-8222
Condition: New
Shipping: Overnight Options
Warranty: 365 days

NEW Arista QSFP-100G-ERL4 100GBASE-ERL4 30-40km SMF Transceiver QSFP28

SKU: NSN-5288
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

Nvidia Mellanox MTX6100-2SFS 6x 40GB QSFP+ (LH) 6x 56GB (DL) QSFP+ B-F Switch

SKU: NSB-6809
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days

Arista AOC-Q-Q-100G-20M 20m 100GB QSFP28 Active Optical Cable

SKU: NSB-5270
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days

NEW Arista AOC-D-D-400G-1M 1m 400G QSFP-DD Active Optical Cable

SKU: NSN-6724
Condition: New
Shipping: Overnight Options
Warranty: 365 days

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

SKU: NSH-8216
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days

NEW Arista AOC-Q-Q-100G-1M 1m 100GB QSFP28 Active Optical Cable

SKU: NSN-6738
Condition: New
Shipping: Overnight Options
Warranty: 365 days