Dell Networking S25N and S50N Data Center Switches
S-Series S25N and S50N High Performance GbE/10 GbE Top-of-Rack Switches

Overview:

Modular Dell Networking Operating System (FTOS) software delivers inherent stability; 24-port and 48-port GbE fixed configuration 1-RU switch with up to four 10 GbE ports; scalable stacking technology supports 384 GbE ports with up to eight S50Ns.

S-Series S25N and S50N High Performance GbE/10 GbE Top-of-Rack Switches

The Dell Networking S25N and S50N bring core-like resiliency in a compact form factor to the network edge, enabling cost-effective scalability. These high performance and low latency Gigabit Ethernet switches deliver the critical functionality that advanced data center network edges demand.

Key applications

Coupled with the Dell Networking E-Series and C-Series, which deliver unmatched resiliency and performance, the S25N and S50N enable IT managers to deploy a reliable end-to-end 10 GbE solution thats spans from core to network edge.

• Line-rate GbE and 10 GbE rack switches for demanding data center, storage or compute facility
• Cost effective distribution layer into a 10 GbE LAN core or distributed data center deployments

Key features

The S25N and S50N are fixed configuration switches that deliver reliability and scalability for data centers and edge switching applications.

• 24 or 48 10/100/1000 ports in a 1-RU form factor – 20 or 44 ports 10/100/1000Base-T – 4 ports 10/100/1000Base-T shared with SFP ports
• 24 or 48 10/100/1000 ports in a 1-RU form factor – 2-port 10 GbE LAN PHY (pluggable XFP modules) – 2-port 10 GbE (CX4) – 2-port 12 Gbps stacking – 1-port 24 Gbps stacking
• Modular Dell Networking FTOS with advanced monitoring and serviceability functions
• VirtualView™ real-time network and application traffic monitoring for virtualized data centers
• Supports jumbo frames of up to 9,252 bytes; ideal for high-end server connectivity and network attached file servers
• Full complement of standards-based Layer 2, IPv4 and IPv6 features for unicast and multicast applications
• Switching fabric capacity of up to 288 Gbps and forwarding capacity of more than 144 Mpps
• Stack up to eight S25N, S25P, S25V, S50N or S50V switches to deliver a scalable and flexible high capacity solution

S Series managed switches:

Designed for performance Dell Networking switching technology helps enable outstanding productivity from your high-performance data center and computing environments.

Developed for flexibility The Dell Networking S Series switches offer a family of products that enable you to find the ideal solution for your specific needs.

Built for cost-effective deployment Selected S Series switches support the Dell Networking Open Automation Framework, a suite of interrelated network management tools that can be used together or independently to provide a flexible, available and manageable network while helping reduce operational expenses.

Global services and support Dell Services can help reduce IT complexity, lower costs and eliminate inefficiencies by making IT and business solutions work harder for you. The Dell Services team delivers distinctive capabilities, including full data migration solutions to facilitate consolidation from multiple file systems. Dell takes a holistic view of your needs and designs solutions for your environment and business objectives, and uses established delivery methods, local talent and in-depth domain knowledge to help lower your total cost of ownership.

Model Lineup

Dell Networking S6000 10/40GbE ToR Switch
The S6000 supports top-of-rack (ToR), middle-of-row (MoR) and end-of-row (EOR) connectivity to 10GbE servers and 40GbE fabrics for enterprise and midmarket implementations. The 1U S6000 enables streamlined connectivity and workflow operation with low latency operation and includes support for Network Virtualization with VXLAN Gateway hardware built-in. Virtual Link Trunking (VLT) helps eliminate spanning tree protocol (STP)-blocked ports and provides fast convergence if a link or device fails.

Dell Networking S5000 10/40G Unified Storage Switch
The S5000 enables converging LAN and SAN traffic in a single 1U top-of-rack switch. It features a unique modular design to enable adding Ethernet and Fibre Channel/FcoE modules when needed, and DCB support for lossless Ethernet. In addition, the S5000 helps standardize and simplify the Dell Active System Infrastructure pre-integrated systems.

Dell Networking S4820T 10G Base T Switch
Deploy 1/10GbE for 10G copper terminations to server with the S4820T 10G Base T switch. The high-density switch features 48 ports of 1/10GbE and four 40GbE uplinks in a 1U rack chassis. Powered by the Dell Networking Operating System (FTOS), it offers non-blocking, line-rate performance for top-of-rack storage solutions and Dell 12G rack servers as well as 12G blade servers with Dell Networking MXL switches.

Dell Networking S4810 high-performance 10/40GbE switch
Deliver low-latency throughput with the Dell Networking S4810. The 1/10/40GbE top-of-rack, aggregation or core switch features a 1.28 Tbps (full-duplex), nonblocking, cut-through switching fabric designed to deliver line-rate performance under full load with 800ns latency.

Dell Networking S60 high-performance 1/10GbE switch
Optimized to improve manageability at the network edge, the Dell Networking S60 is a stackable, 48-port GbE top-of-rack switch that delivers nonblocking, line-rate switching and routing with a 1.25GB deep-packet buffer to help eliminate congestion.

Dell Networking S55 high-performance 1/10GbE switch
Designed for high-performance data center applications, the Dell Networking S55 features a 192 Gbps switch fabric that supports line-rate, nonblocking switching with less than five microseconds of latency.

Dell Networking S25V/S50V power-over-Ethernet switches
The scalable, stacking technologies of the Dell Networking S25v/S50v PoE switches bring core-like resiliency to the network edge, supporting up to 384GbE ports with up to eight S50Vs.

Dell Networking S25P fiber switch
Delivering high-GbE fiber density at the network edge, the Dell Networking S25P switch enables cost-effective scalability while helping eliminate bandwidth bottlenecks at key aggregation points.

Dell Networking S25N/S50N edge switches
The S25N and S50N are high-performance and low latency 1/10GbE fixed configuration switches designed principally for data center top-or-rack systems and access applications.

Comparison Specifications:

Legend: S — Standard, OA — Option Available, N — Not Available

	S25N-S50N	S25V-S50V	S25P	S55	S60
Performance
MAC Address	S25N: 16K S50N: 32K	S25N: 16K S50N: 32K	16K	32K	32K
IPv4 routes	4,000	4,000	4,000	16,000	16,000
IPv6 routes	2,500	2,500	2,500	8,000	8,000
Switching fabric capacity	S25N: 144 Gbps S50N: 288 Gbps	S25V: 144 Gbps S50V: 288 Gbps	144 Gbps	192 Gbps	176 Gbps
User traffic capacity	S25N: 128 Gbps (95 Mpps) S50N: 192 Gbps(144 Mpps)	S25V: 128 Gbps (95 Mpps) S50V: 192 Gbps(144 Mpps)	128 Gbps (95 Mpps)	144 Mpps	132 Mpps
Link aggregation	8 links per group, 128 groups per stack	8 links per group, 128 groups per stack	8 links per group, 128 groups per stack	8 links per group, 128 groups per stack	8 links per group, 128 groups per stack
Stacking capacity	96 Gbps per stack member	48 Gbps per stack member	96 Gbps per stack member	48 Gbps per stack member	48 Gbps per stack member
Queues per port	4 queues	4 queues	4 queues	4 queues	4 queues
VLANs with 4096 tag value support	1024	1024	1024	1024	1024
Line-rate Layer 2 switching — All protocols, including IPv4 and IPv6	S	S	S	S	S
Line-rate Layer 3 routing — IPv4 and IPv6	S	S	S	S	S
LAG load balancing — Based on Layer 2, IPv4 or IPv6 headers	S	S	S	S	S
Switching latency	<5 µs for 64 byte frames	<5 µs for 64 byte frames	<5 µs for 64 byte frames	<5 µs for 64 byte frames	<9 µs for 64 byte frames
Packet buffer memory	N/A	N/A	N/A	4MB	1.25GB
CPU memory	N/A	N/A	N/A	2GB	2GB
IPv4 host table size	N/A	N/A	N/A	N/A	N/A
IPv6 host table size	N/A	N/A	N/A	N/A	N/A
IPv4 Multicast table size	N/A	N/A	N/A	N/A	N/A
	S25N-S50N	S25V-S50V	S25P	S55	S60
Availability
Ring stacking topology with dynamic master election	S	S	S	S	S
Dual modular slots with up to four 10 GbE ports	S	S	S	S	S
Link aggregation across stack members	S	S	S	S	S
Built-in power redundancy	S	S	S	S	S
Hot swappable redundant AC or DC power	N	N	N	S	S
Hot swappable redundant fans	N	N	N	N	S
	S25N-S50N	S25V-S50V	S25P	S55	S60
Chassis
Line-rate ports	S25N: 24 - 10/100/1000 Base-T ports S50N: 48 - 10/100/1000 Base-T ports	S25V: 24 - 10/100/1000 Base-T ports S50V: 48 line-rate 10/100/1000 Base-T ports	24 ports supporting GbE or 100 Base-FX SFPs	44 - 10/100/1000 Base-T ports	44 RJ45 10/100/1000 Base-T ports
SFP Ports	4 (shared)	4 (shared)	4-ports 10/100/1000 Base-T (shared with SFP ports)	4	4
1 RJ45 console/management port with RS232 signaling	S	S	S	S	S
1 RJ45 Ethernet management port	N	N	N	N	N
USB Ports	N	N	N	2 USB 2.0 ports (1 USB A, 1 USB B)	2 USB 2.0 ports (1 USB A, 1 USB B)
2 line-rate ports 10 Gigabit Ethernet XFP	S	S	S	N	N
2 line-rate ports 10 Gigabit Ethernet CX4	S	S	S	N	N
2 line-rate ports 12 Gigabit Stacking	S	S	S	S	N
2 line-rate ports 10 Gigabit Ethernet SFP+	N	N	N	S	S
1 line-rate port 24 Gigabit Stacking	S	S	S	N	S
	S25N-S50N	S25V-S50V	S25P	S55	S60
Dimensions
Size	1 RU, 1.7 h x 17.32 w x 16.73" d (4.3 h x 44 w x 42.5 cm d)	1 RU, 1.7 h x 17.32 w x 16.73" d (4.3 h x 44 w x 42.5 cm d)	1 RU, 1.7 h x 17.32 w x 16.73" d (4.3 h x 44 w x 42.5 cm d)	1 RU, 1.7 h x 17.32 w x 18.06" d (4.3 h x 44 w x 45.87 cm d)	1 RU, 1.7 h x 17.32 w x 20.5" d (4.3 h x 44 w x 52.07 cm d)
Weight	14.39 lbs (6.54 kg)	15.62 lbs (7.10 kg)	14.43 lbs (6.56 kg)	14.39 lbs (6.54 kg)	14.39 lbs (6.54 kg)
ISO 7779 A-weighted sound pressure level	S25N: 42.0 dBA at 73.4°F (23°C)/S50N: 59.6 dBA at 73.4°F (23°C)	S25V: 42.9 dBA at 73.4°F (23°C)/S50V: 62.2 dBA at 73.4°F (23°C)	45.1 dBA at 73.4°F (23°C)	59.6 dBA at 73.4°F (23°C)	59.6 dBA at 73.4°F (23°C)
	S25N-S50N	S25V-S50V	S25P	S55	S60
Environmental
Operating temperature: 32° to 122°F (0° to 50°C)	S	S	S	S	S
Operating humidity: 10 to 85% (RH), noncondensing	S	S	S	S	S
Storage temperature: –40° to 158°F (–40° to 70°C)	S	S	S	S	S
Storage humidity: 5 to 95% (RH), noncondensing	S	S	S	S	S
	S25N-S50N	S25V-S50V	S25P	S55	S60
Power
Power supply	100–240 VAC 50/60 Hz, –44 to -60 VDC	100–240 VAC 50/60 Hz, –48 VDC	100-240 VAC 50/60 Hz, -44 to -60 VDC	100–240 VAC 50/60 Hz, –44 to -60 VDC	100–240 VAC 50/60 Hz, –44 to -60 VDC
Max. thermal output:	S25N: 349 BTU/h S50N (AC): 531 BTU/h,/DC): 465 BTU/h	S25V: 349 BTU/h S50V: 497 BTU/h	(AC): 305 BTU/h (DC): 262 BTU/h	443 BTU/h	531 BTU/h
Max. current draw per system	2 A at 100/120 VAC1 A at 200/240 VAC 3.6 A at -48 VDC	6.5 A at 100/120 VAC3.25 A at 200/240 VAC 11.5 A at -48 VDC	2 A at 100/120 VAC 1 A at 200/240 VAC, 3.6 A at -48 VDC	2 A at 100/120 VAC, 1 A at 200/240 VAC, 3.6 A at -48 VDC	2 A at 100/120 VAC, 1 A at 200/240 VAC, 3.6 A at -48 VDC
Max. power consumption	S25N: 102 W, S50N (AC): 156 W, S50N (DC): 136 W	S25V: 102 W, S50V: 146 W	S25P (AC): 90 W, S25P (DC): 77 W	130 W	N
Max. PoE power	N	320 W using either AC or DC inputs/790 W using load sharing AC and DC inputs	N	N	N
Reliability	S25N: MTBF 141,275 hours S50N (DC): MTBF 168,259 hours S50N (AC): MTBF 169,315 hours	S25V: MTBF 107,720 hours S50V: MTBF 130,482 hours	S25P (AC): MTBF 164,358 hours S25P (DC): MTBF 164,358 hours	MTBF 169,315 hours	MTBF 169,315 hours
	S25N-S50N	S25V-S50V	S25P	S55	S60
Safety
EN 60825-1 Safety of Laser Products Part 1: Equipment	S	S	S	S	S
EN 60825-2 Safety of Laser Products Part 2: Safety of	S	S	S	S	S
EN 60950-1, Second Edition	S	S	S	S	S
Equipment Classification Requirements and User's Guide	N	N	N	N	N
FDA Regulation 21 CFR 1040.10 and 1040.11	S	S	S	S	S
IEC 60950-1, Second Edition Including all National	S	S	S	S	S
Optical Fibre Communication Systems	N	N	N	N	N
UL/CSA 60950-1, Second Edition	S	S	S	S	S
	S25N-S50N	S25V-S50V	S25P	S55	S60
Emissions
Australia/New Zealand: AS/NZS CISPR 22: 2006, Class A	S	S	S	S	S
Canada: ICES-003, Issue-4, Class A	S	S	S	S	S
Europe: EN 55022: 2006 (CISPR 22: 2006), Class A	S	S	S	S	S
Japan: VCCI V3/2007.04 Class A	S	S	S	S	S
USA: FCC CFR 47 Part 15, Subpart B, Class A	S	S	S	S	S
	S25N-S50N	S25V-S50V	S25P	S55	S60
Immunity
EN 300 386 V1.3.3: 2005 for Network Equipment	S	S	S	S	S
EN 55024: 1998 + A1: 2001 + A2: 2003	S	S	S	S	S
EN 61000-3-2: Harmonic Current Emissions	S	S	S	S	S
EN 61000-3-3:Voltage Fluctuations and Flicker	S	S	S	S	S
EN 61000-4-2: ESD	S	S	S	S	S
EN 61000-4-3: Radiated Immunity	S	S	S	S	S
EN 61000-4-4: EFT	S	S	S	S	S
EN 61000-4-5: Surge	S	S	S	S	S
EN 61000-4-6: Low Frequency Conducted Immunity	S	N	S	S	S
	S25N-S50N	S25V-S50V	S25P	S55	S60
RoHS
All S Series components are EU RoHS compliant.	S	S	S	S	S

Documentation:

Download the Dell Networking S25 and S50 Series Spec Sheet (PDF).