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Lenovo ThinkSystem DB400 Series Fibre Channel Switch

Lenovo ThinkSystem DB400 Series Fibre Channel Switch

Brand: Lenovo | Category: Network Switches

SKU: LENO-7DLFCTO1WW | Part #: 7DLFCTO1WW | MPN: 7DLFCTO1WW

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About the Lenovo ThinkSystem DB400 Series Fibre Channel Switch

The Lenovo ThinkSystem DB400 Series Fibre Channel Switch is a purpose-built Gen7 64Gb FC fabric platform designed to serve as the high-performance backbone of modern all-flash and all-NVMe storage area networks. Built on Broadcom's Gen7 ASIC architecture, the DB400 Series delivers per-port bandwidth of 64Gbps with aggregate non-blocking throughput engineered to eliminate fabric congestion in latency-sensitive workloads. The switch supports NVMe over Fibre Channel (NVMe-oF) natively, enabling direct-attach NVMe storage arrays and NVMe-oF initiators to communicate across the fabric with sub-microsecond latencies that are unachievable with legacy SCSI-based FC implementations. Advanced ISL trunking and Dynamic Path Selection ensure maximum bandwidth utilization across inter-switch links without manual administrator intervention.

The DB400 Series integrates Lenovo's enterprise SAN management toolchain, including compatibility with ThinkSystem Director and Brocade SAN Health analytics for proactive fabric diagnostics, performance monitoring, and automated anomaly detection. The platform supports advanced fabric services including Fabric Vision technology with IO Insight, allowing administrators to identify slow-drain devices, monitor buffer credit health, and perform non-disruptive diagnostics at wire speed. Zoning, RBAC-based access control, and FIPS 140-2 compliant management plane security are all standard, making the DB400 Series suitable for regulated industries including healthcare, financial services, and government.

Launched in Q3 2025, the DB400 Series addresses the growing demand for Gen7 FC fabrics driven by the proliferation of NVMe-based primary storage arrays from vendors such as NetApp, Pure Storage, IBM, and Lenovo's own ThinkSystem DE and DM series. The switch is available in fixed-port and modular director-class configurations, enabling deployment from edge data center SAN islands to core enterprise fabric architectures requiring hundreds of ports with full redundancy, non-disruptive firmware upgrades, and hot-swap field-replaceable units including power supplies and cooling modules.

Ideal for

  • All-NVMe SAN backbone for hyperscale virtualization platforms requiring sub-microsecond storage fabric latency across thousands of NVMe-oF namespaces
  • Financial services high-frequency trading and real-time analytics environments demanding deterministic low-latency block storage access with zero packet loss
  • Healthcare PACS and EHR consolidation onto a high-throughput FC fabric connecting NVMe all-flash arrays to clustered application servers
  • AI and machine learning training pipelines requiring sustained high-bandwidth storage fabric throughput to feed GPU clusters from NVMe-based data lakes
  • Enterprise data center modernization projects migrating legacy 16Gb FC SANs to Gen7 64Gb fabric while maintaining backward compatibility with existing HBA investments
  • Disaster recovery and business continuity architectures leveraging long-distance ISL extensions and Metro Fabric capabilities to synchronize NVMe storage across geographically separated data centers

Technical specifications

ManufacturerLenovo
Product SeriesThinkSystem DB400 Series
GenerationGen7 Fibre Channel
Port Speed64Gbps per port (auto-negotiates to 32Gbps, 16Gbps, 8Gbps)
Port Count (Fixed Config)Up to 48 ports (base model); scalable to 128 ports in director configuration
Supported FC ProtocolsFC-NVMe (NVMe-oF), FCP (SCSI over FC), FICON
Switching ArchitectureNon-blocking, cut-through crossbar fabric
Aggregate Switching BandwidthUp to 6.144 Tbps (full 48-port 64Gbps configuration)
Latency< 900 nanoseconds port-to-port (cut-through mode)
ISL TrunkingUp to 8 ports per trunk group; Dynamic Path Selection (DPS) enabled
Buffer CreditsExtended buffer credits per port for long-distance ISL support
Management Interfaces1GbE RJ-45 out-of-band management, USB console, REST API, SNMP v3
Fabric ServicesFabric Vision with IO Insight, Fabric Watch, Flow Monitor, SAN Health integration
SecurityFIPS 140-2 management plane, RBAC, LDAP/RADIUS authentication, TLS 1.3 management encryption, port-level zoning
RedundancyRedundant hot-swap power supplies, N+1 cooling fans, non-disruptive firmware upgrade (NDFU)
Form Factor1U rack-mount (fixed); 7U chassis (director-class)
Power SupplyDual redundant AC PSUs, 100–240V auto-ranging
Typical Power Consumption~250W (48-port fully loaded, 64Gbps)
Operating Temperature0°C to 40°C (32°F to 104°F)
CertificationsCE, FCC Class A, UL, RoHS, FC-NVMe Gen7 compliance, FIPS 140-2
Software CompatibilityLenovo ThinkSystem Director, Broadcom SANnav Management Software, VMware vSphere, Red Hat OpenShift, Microsoft Windows Server
Backward CompatibilityInteroperable with Gen6 (32Gbps) and Gen5 (16Gbps) FC HBAs and switches

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Technical Specifications

BrandLenovo
CategoryNetwork Switches
SKULENO-7DLFCTO1WW
Part Number7DLFCTO1WW
ConditionNew
Product SeriesThinkSystem DB400 Series
GenerationGen7 Fibre Channel
Port Speed64Gbps per port (auto-negotiates to 32Gbps, 16Gbps, 8Gbps)
Port Count (Fixed Config)Up to 48 ports (base model); scalable to 128 ports in director configuration
Supported FC ProtocolsFC-NVMe (NVMe-oF), FCP (SCSI over FC), FICON
Switching ArchitectureNon-blocking, cut-through crossbar fabric
Aggregate Switching BandwidthUp to 6.144 Tbps (full 48-port 64Gbps configuration)
Latency< 900 nanoseconds port-to-port (cut-through mode)
ISL TrunkingUp to 8 ports per trunk group; Dynamic Path Selection (DPS) enabled
Buffer CreditsExtended buffer credits per port for long-distance ISL support
Management Interfaces1GbE RJ-45 out-of-band management, USB console, REST API, SNMP v3
Fabric ServicesFabric Vision with IO Insight, Fabric Watch, Flow Monitor, SAN Health integration
SecurityFIPS 140-2 management plane, RBAC, LDAP/RADIUS authentication, TLS 1.3 management encryption, port-level zoning
RedundancyRedundant hot-swap power supplies, N+1 cooling fans, non-disruptive firmware upgrade (NDFU)
Form Factor1U rack-mount (fixed); 7U chassis (director-class)
Power SupplyDual redundant AC PSUs, 100–240V auto-ranging
Typical Power Consumption~250W (48-port fully loaded, 64Gbps)
Operating Temperature0°C to 40°C (32°F to 104°F)
CertificationsCE, FCC Class A, UL, RoHS, FC-NVMe Gen7 compliance, FIPS 140-2
Software CompatibilityLenovo ThinkSystem Director, Broadcom SANnav Management Software, VMware vSphere, Red Hat OpenShift, Microsoft Windows Server
Backward CompatibilityInteroperable with Gen6 (32Gbps) and Gen5 (16Gbps) FC HBAs and switches

Frequently Asked Questions about Lenovo ThinkSystem DB400 Series Fibre Channel Switch

What does the Lenovo ThinkSystem DB400 Series Fibre Channel Switch do?

The Lenovo ThinkSystem DB400 Series Fibre Channel Switch is enterprise networking hardware for data-center, campus, and branch deployments. Common roles include core/distribution switching, server uplinks, top-of-rack fabric, and edge connectivity in mixed Cisco/Juniper/Arista environments.

What does the Lenovo ThinkSystem DB400 Series Fibre Channel Switch do?

The Lenovo ThinkSystem DB400 Series Fibre Channel Switch is enterprise networking hardware for data-center, campus, and branch deployments. Common roles include core/distribution switching, server uplinks, top-of-rack fabric, and edge connectivity in mixed Cisco/Juniper/Arista environments.

What does the Lenovo ThinkSystem DB400 Series Fibre Channel Switch do?

The Lenovo ThinkSystem DB400 Series Fibre Channel Switch is enterprise networking hardware for data-center, campus, and branch deployments. Common roles include core/distribution switching, server uplinks, top-of-rack fabric, and edge connectivity in mixed Cisco/Juniper/Arista environments.

What are the headline specs of the Lenovo ThinkSystem DB400 Series Fibre Channel Switch?

Key specifications for the Lenovo ThinkSystem DB400 Series Fibre Channel Switch: new condition; manufacturer Lenovo; product series ThinkSystem DB400 Series; generation Gen7 Fibre Channel; port speed 64Gbps per port (auto-negotiates to 32Gbps, 16Gbps, 8Gbps); port count (fixed config) Up to 48 ports (base model); scalable to 128 ports in director configuration; supported fc protocols FC-NVMe (NVMe-oF), FCP (SCSI over FC), FICON. Manufacturer part number 7DLFCTO1WW. For the full datasheet with electrical, environmental, and compliance details, contact our pre-sales engineering team.

What are the headline specs of the Lenovo ThinkSystem DB400 Series Fibre Channel Switch?

Key specifications for the Lenovo ThinkSystem DB400 Series Fibre Channel Switch: new condition; manufacturer Lenovo; product series ThinkSystem DB400 Series; generation Gen7 Fibre Channel; port speed 64Gbps per port (auto-negotiates to 32Gbps, 16Gbps, 8Gbps); port count (fixed config) Up to 48 ports (base model); scalable to 128 ports in director configuration; supported fc protocols FC-NVMe (NVMe-oF), FCP (SCSI over FC), FICON. Manufacturer part number 7DLFCTO1WW. For the full datasheet with electrical, environmental, and compliance details, contact our pre-sales engineering team.