Amazon 10Gtek  
10Gtek Gigabit Multimode SFP 1000Base-SX LC Fiber Module, 850nm MMF, up to 550m, for Cisco GLC-SX-MMD/SFP-GE-S, Meraki MA-SFP-1GB-SX, Ubiquiti UniFi UF-MM-1G, Mikrotik, TP-Link TL-SM311LM, Pack of 4
1000BASE-SX SFP to LC Optical Gigabit Ethernet Fiber transceiver module, 1.25G Multimode SFP(supports OM1/OM2/OM3/OM4 fiber cables), Duplex LC connector, 850nm, DDM, up to 550m.
[Wide Compatibility] Compatible with Cisco GLC-SX-MMD/GLC-SX-MM/SFP-GE-S, Meraki MA-SFP-1GB-SX, Ubiquiti UniFi UF-MM-1G, Mikrotik S-85DLC05D, Fortinet, D-Link, Supermicro, Netgear AGM731F, TP-Link TL-SM311LM, Broadcom, Linksys and Other Open Switches. Widely support Gigabit Ethernet, Fiber Channel, Other Optical Links and other devices.
[Easy to Use] Easy installation, plug and play, fully hot-pluggable with ESD protection. Widely used in fiber switches, routers, NIC, server or other fiber optic equipments with 1Gbps SFP ports. SFP MSA Compliant, IEEE 802.3ab Compliant.
[Superior DDM Monitoring] DDM allows you to monitor the critical information concerning the status of the transmitted and received signals of the transceivers in real-time to find out some potential problems. Operating Temperature: 0°C to 70°C.
[What you Get] 4x 100% tested 1000Base-SX modules, 30-day Money-Back guarantee with 3-Year warranty and lifetime tech support. 10Gtek is a manufacturer of transceiver, customized service is available.
10Gtek Gigabit Multimode SFP 1000Base-SX LC Fiber Module, 850nm MMF, up to 550m,
Amazon Fintie  
Fintie Graphing Calculator Carrying Case for Texas Instruments TI-Nspire CX II CAS/Tl-Nspire-CX-ll, TI-84 Plus CE/TI-84 Plus Color Graphing Calculators - with Mesh Pockets, Pen Slots (Pink)
UPGRADE: This calculator case is the plus size (8.4" L - 4.5" W - 2" H). It comes with a separate compartment to hold pens and other accessories. A dual-use handle is an innovation. All-around protect the expensive calculator device. (Case Only! Device and accessories are not included)
This hard case travel bag fits for most graphing, scientific and financial calculators, like Texas Instruments / TI, HP / Prime or Casio. Perfect for Texas Instruments TI-Nspire CX Graphing Calculator, Texas Instruments Nspire CX CAS Graphing Calculator, Texas Instruments TI-Nspire CX II CAS Color Graphing Calculator, TI-Nspire CX II Color Graphing Calculator.
The graphing calculator carrying case is made of premium hard EVA and soft interior layer can prevent any damage to the Graphing Calculator. The striped fabric is stylish and durable. YKK Zipper is also a top material that will not easily appear quality problems.
The graphing calculator case includes mesh pockets and slots for cable, USB connector. It can also accommodate other essential accessories in it, like pencils, erasers, graphing rulers and so on.
Please don't hesitate to check the quality of it! We are a USA-based company. Please contact us if you're not 100% satisfied for any reason.
Fintie Graphing Calculator Carrying Case for Texas Instruments TI-Nspire CX II C
Amazon TP-Link  
TP-Link TL-SG2210P V3| Jetstream 8 Port Gigabit Smart Managed PoE Switch | 8 PoE+ Ports @61W, 2 SFP Slots | Support Omada SDN | PoE Recovery | IPv6 | Static Routing | 5 Year Manufacturer Warranty
【Flexible Full Gigabit 10-Port PoE Configuration】8× PoE+ (802.3at/af) 10/100/1000 Mbps RJ45 ports providing up to 30W per port and total PoE power budget of 61W, together w/ 2× Gigabit SFP slots for high-speed connections.
【Integrated into Omada SDN】Omada SDN platform integrates network devices, including switches, access points & gateways with multiple control options offered – Omada Hardware controller or Omada Software Controller. Standalone Mode also applies.
【Cloud Access】Remote cloud access and Omada app brings centralized cloud management of the whole network at different sites—all controlled from a single interface anywhere, anytime.
【SDN Compatibility】For SDN usage, make sure your devices/controllers are either equipped with or can be upgraded to SDN version. SDN controllers work only with SDN switches, access points & gateways. Non-SDN controllers work only with non-SDN access points. For devices that are compatible with SDN firmware, please visit TP-Link website.
【Enhance Network Security】Advanced security features include 802.1Q VLAN, IP-MAC-Port binding, ACL, Port Security, DoS defend, Storm control, DHCP Snooping, 802.1X radius authentication and more.
【Advanced Software Features】Prioritize your traffic and guarantee high quality of video or voice data transmission withL2/L3/L4 QoS, IGMP Snooping, Link Aggregation and Flow Control.
【5 Years Warranty】Backed by our industry-leading 5-years warranty and free technical support from 6am to 6pm PST Monday to Fridays, you can work with confidence.
TP-Link TL-SG2210P V3| Jetstream 8 Port Gigabit Smart Managed PoE Switch | 8 PoE
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