Model: SX550X-16FT-K9
16FT, Switch, L3, Managed, 8 x 10GBase-T + 8 x 10 Gigabit SFP+, Desktop, Rack-mountable
List Price: US$5,888.62
You Save: $2,848.62 (48% OFF)
Condition: Brand New Sealed
Availability: Out of Stock
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Tax: $0.00 Tax Outside New Jersey


The Cisco SX550X-16FT-K9 Switch is a next-generation managed switch that offers excellent performance, rich features, and ease of use. With support for Layer 2 and 3 features, advanced security, routing, and energy-saving technology, it delivers a solid foundation for business applications today and in the future.


LEDs System, master, fan, RPS, stack ID, link/speed per port 
Cabling type Unshielded Twisted Pair (UTP) Category 5 or better; fiber options (SMF and MMF); coaxial SFP+ 
Accessories  There is no additional accessory other than the mounting kit and power cord included in the product package.
Supported SFP modules
SKU Media
MGBSX1 Multimode fiber
MGBLX1 Single-mode fiber
MGBLH1 Single-mode fiber
MGBT1 UTP cat 5e
GLC-SX-MMD Multimode fiber
GLC-LH-SMD Single-mode fiber
SFP-H10GB-CU1M Copper coax
SFP-H10GB-CU3M Copper coax
SFP-H10GB-CU5M Copper coax
SFP-10G-SR Multimode fiber
SFP-10G-LR Single-mode fiber
SFP-10G-SR-S Multimode fiber
SFP-10G-LR-S Single-mode fiber
Package contents
● Cisco 550X Series Stackable Managed Switch
● Power cord
● Mounting kit included with all models
● Console cable 
● Quick Start Guide 
Minimum requirements
●  Web browser: Mozilla Firefox version 34 or later; Microsoft Internet Explorer version 9 or later, Chrome version 40 or later, Safari version 5 or later 
●  Category 5 Ethernet network cable for 10/100 speeds at up to 100m; Category 5e Ethernet network cable for Gigabit speeds at up to 100m; Category 6a Ethernet network cable for 10 Gig speeds at up to 100m 
●  TCP/IP, network adapter, and network operating system (such as Microsoft Windows, Linux, or Mac OS X) installed 


Specifications SX550X-16FT-K9
Capacity in mpps (64-byte packets) 238.08 
Switching capacity (Gbps) 320
Flash Memory 256 MB
CPU 1.3 GHz (dual-core) ARM
CPU Memory 512MB 
Packet Buffer 3 MB
MAC addresses 32K
Head-of-line (HOL) blocking Head-Of-Line (HOL) blocking 
Quality of Service (QoS) 8 hardware queues, Strict priority and Weighted Round-Robin (WRR), Port based; 802.1p VLAN priority based
Loopback Detection Loopback detection provides protection against loops by transmitting loop protocol packets out of ports on which loop protection has been enabled. It operates independently of STP 
Standards IEEE 802.3 10BASE-T Ethernet, IEEE 802.3u 100BASE-TX Fast Ethernet, IEEE 802.3ab 1000BASE-T Gigabit Ethernet, IEEE 802.3ad Link Aggregation Control Protocol, IEEE 802.3z Gigabit Ethernet, IEEE 802.3ae 10 Gbit/s Ethernet over fiber for LAN, IEEE 802.3an 10GBase-T 10 Gbit/s Ethernet over copper twisted pair cable, IEEE 802.3x Flow Control, IEEE 802.1D (STP, GARP, and GVRP), IEEE 802.1Q/p VLAN, IEEE 802.1w Rapid STP, IEEE 802.1s Multiple STP, IEEE 802.1X Port Access Authentication, IEEE 802.3af, IEEE 802.3at, IEEE 802.1AB Link Layer Discovery Protocol, IEEE 802.3az Energy Efficient Ethernet, RFC 768, RFC 783, RFC 791, RFC 792, RFC 793, RFC 813, RFC 826, RFC 879, RFC 896, RFC 854, RFC 855, RFC 856, RFC 858, RFC 894, RFC 919, RFC 920, RFC 922, RFC 950, RFC 951, RFC 1042, RFC 1071, RFC 1123, RFC 1141, RFC 1155, RFC 1157, RFC 1213, RFC 1215, RFC 1286, RFC 1350, RFC 1442, RFC 1451, RFC 1493, RFC 1533, RFC 1541, RFC 1542, RFC 1573, RFC 1624, RFC 1643, RFC 1700, RFC 1757, RFC 1867, RFC 1907, RFC 2011, RFC 2012, RFC 2013, RFC 2030, RFC 2131, RFC 2132, RFC 2233, RFC 2576, RFC 2616, RFC 2618, RFC 2665, RFC 2666, RFC 2674, RFC 2737, RFC 2819, RFC 2863, RFC 3164, RFC 3176, RFC 3411, RFC 3412, RFC 3413, RFC 3414, RFC 3415, RFC 3416, RFC 4330 
Operating Temperature
32° to 122°F (0° to 50°C)
Operating humidity 10% to 90%, relative, noncondensing 
Certification UL (UL 60950), CSA (CSA 22.2), CE mark, FCC Part 15 (CFR 47) Class A 
Warranty Limited lifetime with next-business-day advance replacement (where available, otherwise same day shipping) 


Properties SX550X-16FT-K9
Description ● 8 x 10 Gigabit Ethernet 10GBase-T copper port
● 8 x 10 Gigabit Ethernet SFP+ (dedicated)
● 1 x Gigabit Ethernet management port
Product Family SG550X Series
Product Type Small Business Switch
Number of Ports (Gigabit Ethernet) 8x 10 GE copper + 8x 10 GE SFP+ plus 1x GE OOB management 
Network Ports 8x 10 GE 
Uplink Ports 8x 10 GE SFP+ 
Downlinks total 10/100/1000 ports  -
Power dedicated to PoE  -
Number of ports that support PoE  -
Power 100 - 240V 47 - 63 Hz, internal, universal 
Fans 2 + 1 (redundant) 
Unit dimensions in. (W x D x H) 17.3 x 1.7 x 10.12 

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Products are shipped Monday through Friday via UPS/FedEx/USPS. The estimated delivery time is 1-6 business days depending on location. If “Free Shipping” is offered, it will be by Ground only and within USA Continental States Only (48 States). There will be a surcharge on shipments to Hawaii, Alaska, Puerto Rico and APO/FPO addresses. After you have made a purchase, the surcharge will be calculated using the parcel’s weight and size. Network Devices Inc ships the product the same day of receiving an order. Otherwise you will a receive notification of delay or cancellation of said order.
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