Cisco MDS 9000 Series MDS 9148T vs Lenovo ThinkSystem DB620S
Side-by-side specifications from the vendors' own documents. The Cisco MDS 9148T is a high-performance 48-port 32-Gbps Fibre Channel switch offering enterprise SAN reliability, telemetry, and NVMe-FC capability in a compact 1U form factor. The ThinkSystem DB620S is Lenovo's midrange 1U Gen 6 Fibre Channel SAN switch, built on OEM Brocade G620 hardware and running Brocade Fabric OS.
| Cisco MDS 9000 Series MDS 9148T | Lenovo ThinkSystem DB620S | |
|---|---|---|
| Brand | Cisco | Lenovo |
| Status | current | current |
| Released | Sep 2018 | May 2017 |
| Form factor | 1U | 1U rack |
| Form factor | 1U rackmount | — |
| Ports | 48x 32Gb FC SFP28 (24, 32, 40, or 48 ports active) | 48x 32Gb/s SFP+ Fibre Channel ports + 4x 128Gb/s QSFP28 ports (expandable from 24 to 64 ports via PoD) |
| Switching capacity | 1.536 Tb/s full duplex | 2.048 Tbps aggregate full duplex throughput |
| Latency | Cut-through switching architecture | — |
| Power supply | — | Dual redundant hot-swap AC power supplies (front-to-back or back-to-front airflow) |
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