Guides & Resources — Switches & Network Gear

Two MCP7H60-W002 QSFP-DD to 2x200G breakout DACs put four DGX Sparks on two ports of a MikroTik CRS804 for $358.90, leaving two 400G ports free. Port math for the CRS804 and CRS812, the RouterOS settings that make the legs link, and the parts list.

MTEF-KIT-J is NVIDIA OPN 930-9NRKT-00JN-000, the fixed four-post rack kit for SN3700, SN3700C, SN4600, SN4600C and SN4700. The full MTEF-KIT family crosswalk, why MTEF-KIT-C keeps getting mistaken for it, and the depth-range conflict inside NVIDIA's own manuals.

Short answer: if your ceiling already has (or will have) Cisco T-rail grid clips, use the AIR-CHNL-ADAPTER pair ($17.98 at Resilient Tec) to slide the access point onto the rail. If you want a single-part, flush mount that attaches straight to a standard drop-ceiling T-rail...

A complete guide to the Arista DCS-7050SX3-48YC8-F — a 1RU leaf switch with 48x25GbE SFP28 + 8x100GbE QSFP28 ports and front-to-rear airflow. Covers specs, the "-F" vs "-R" airflow difference, 2026 used pricing, and what to verify before you buy.

Aruba (HPE) and Cisco both make excellent enterprise networking gear, but they fit different needs. We break down pros, cons, pricing, and a SWOT comparison, plus in-stock Aruba and Cisco switches and access points you can buy today.