Your search for "hpe 40gb qsfp+ direct attach" revealed the following:
Dell S4148FE-ON-RA 48x 10GB SFP+ 2x 40GB QSFP+ 4x QSFP28 B-F No OS10 Switch
SKU: NSB-9791
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
Ruckus Brocade ICX7650-48F-E 24x 1GB SFP 24x 10GB SFP+ 4x 40GB QSFP+ F-B Switch
SKU: NSB-6284
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
Juniper EX4300-48T-DC-AFI 48x 1GB RJ-45 4x 40GB QSFP+ B-F Airflow (DC) Switch
SKU: NSH-4918
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
NEW Arista DCS-7050QX-32-F 32x 40GB QSFP+ Front-to-Back Airflow Switch
SKU: NSN-2834
Condition: New
Shipping: Overnight Options
Warranty: 365 days
Nvidia Mellanox MCP1600-C02AE26N 2.5m 100GB QSFP28 Direct Attach Copper Cable
SKU: NSB-2909
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
Fortinet FS-524D-FPOE 24x PoE+ RJ45 4x SFP+ 2x QSFP+ Registrable Switch
SKU: NSC-0198
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
NEW Arista DCS-7050Q-16-F 16x 40GB QSFP+ 8x 10GB SFP+ Front-to-Back Air Switch
SKU: NSN-2710
Condition: New
Shipping: Overnight Options
Warranty: 365 days
NEW Arista DCS-7050T-64-R 48x 10GB Copper 4x 40GB QSFP+ Back-to-Front Air Switch
SKU: NSN-2774
Condition: New
Shipping: Overnight Options
Warranty: 365 days
NEW Arista DCS-7050S-64-R 48x 10GB SFP+ 4x 40GB QSFP+ Back-to-Front Air Switch
SKU: NSN-2874
Condition: New
Shipping: Overnight Options
Warranty: 365 days
Mellanox MCP1600-C005E26L 5m 100GB QSFP28 Direct Attach Copper Cable
SKU: NSB-2914
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days