The Lenovo ThinkSystem DB720S Gen 7 FC SAN Switch, with its unmatched 64Gbps performance and industry-leading port density, provides a building block that supports data growth, demanding workloads, and data-center consolidation. Delivering unmatched 64Gbps performance and 50% lower latency compared to the previous generation, this switch delivers a fixed-port building block, designed to maximize the performance of flash and NVMe environments to meet demanding workloads. With Brocade® Gen 7 technology, the DB720S delivers far more than just speed and latency improvements. It can eliminate the pain of managing your data center, with autonomous SAN technology to deliver a network that can self-learn, self-optimize, and self-heal without intervention.
The Lenovo DB720 is built for maximum flexibility, scalability, and ease of use. Organizations can scale from 24 to 64 SFP+ ports in an efficient 1U form factor that delivers industry-leading port density and space utilization.

Model	Lenovo ThinkSystem DB720S
Fibre Channel Ports	Switch mode (default): Minimum of 24 ports and maximum of 64 ports. Ports are enabled in increments of 8 ports up to 64 ports via Ports on Demand (PoD) licenses; E_Ports, F_Ports, M_Ports, D_Ports, and EX_Ports. * Up to 48 autosensing ports that support 32Gb or 64Gb SFP+ transceivers * Up to 8 double density (DD) ports that support either SFP+ (32Gb or 64Gb) transceivers for a single connection, or SFP-DD transceivers that each support two 64G connections, thus providing an additional 16 ports at 64Gb. Access Gateway default port mapping: 56x SFP+ F_Ports, 8x SFP+ N_Ports. The SFP+ ports are capable of auto-negotiating to 8, 16, 32, or 64Gb speeds depending on the SFP+ model and the minimum supported speed of the optical transceiver at the other end of the link.
Scalability	Full-fabric architecture with a maximum of 239 switches
Certified maximum	4K active nodes; 56 switches, 19 hops in Brocade Fabric OS® fabrics
Performance	Non-blocking architecture with wire-speed forwarding of traffic: * 8GFC: 8.5 Gb/sec line speed, full duplex * 10GFC: 10.53Gb/s line speed, full duplex; 10Gb/s optionally programmable to fixed port speed. * 16GFC: 14.025 Gb/sec line speed, full duplex * 32GFC: 28.05 Gb/sec line speed, full duplex * 64GFC: 57.8 Gb/sec line speed, full duplex
Traffic load balancing	* Frame-based ISL Trunking load balances supports up to eight SFP+ ports per ISL trunk; up to 512Gb/s per ISL trunk when using 64Gb/s optics * Dynamic Path Selection (DPS) provides exchange-based load balancing across all available ISLs.
Aggregate bandwidth	4.096 Tb/s
Media types	* 64Gb/s: Brocade Secure hot-pluggable SFP-DD, SN connector; 64Gb/s SWL * 64Gb/s: Brocade Secure hot-pluggable SFP+, LC connector; 64Gb/s SWL, LWL 10 km, ELWL 25 km * 32Gb/s: Brocade Secure hot-pluggable SFP+, LC connector; 32Gb/s SWL, LWL 10 km, ELWL 25 km * 10Gb/s: Brocade Secure hot-pluggable SFP+, LC connector; 10Gb/s SWL, LWL 10 km Fibre Channel distance is subject to fiber-optic cable and port speed.
Extension	Fibre Channel, in-flight compression (Brocade LZO) and encryption (ES-GCM-256 encryption on FC ISLs, E_Port); integrated optional 10Gb/s Fibre Channel for DWDM MAN connectivity
Power supplies	Dual, hot-swappable redundant power supplies (80 PLUS Gold) with integrated system cooling fans (3 built into each power supply), N+N cooling redundancy
Enclosure	Front-to-back airflow; non-port-side exhaust; power from back, 1U Back-to-front airflow; non-port-side intake; power from back, 1U

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Q1: Are you a factory or a trading company?

A: We are a distributor and trading company.

Q2: What are the guarantees for product quality?

A: We have professional engineers to test each device before shipment. All servers use dust-free IDC room, 100% new appearance and same interior.

Q3: When I receive defective products, how do you solve it?

A: We have professional engineers to help you solve the problem. If the product is defective, we usually return or replace them in the next order.

Q4: How to order in bulk?

A: You can contact our customer service, they will provide you with the best solution and service.

Q5: What are your payment terms?

A: We accept TT. But we provide 30-90 days credit business for quality customers when necessary.

Q6: How long is the warranty? When will the package be sent out after payment?

A: The shelf life of the product is 1 year. For more information, please contact our customer service. After the contract is signed, if there is stock, we will arrange express delivery for you immediately or within 5 days.

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