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 Samsung  
SAMSUNG 870 QVO SATA III SSD 4TB 2.5" Internal Solid State Drive, Upgrade Desktop PC or Laptop Memory and Storage for IT Pros, Creators, Everyday Users, MZ-77Q4T0B
GO BIG, DO MORE: The 870 QVO is Samsung’s latest 2nd gen QLC SSD and the largest of its kind that provides up to 8TB of storage,* offering an incredible upgrade for everyday PC users who want to ramp-up their desktop PC or laptop.Specific uses: Business, personal
ENHANCED IN EVERY WAY: With an expanded SATA interface limit of 560/530 MB/s sequential speeds, the 870 QVO improves random access speed and sustained performance; Intelligent TurboWrite accelerates write speeds and maintains long-term high performance with a larger variable buffer**
BOOST CAPACITY: The 870 QVO is now available in 1TB, 2TB, 4TB and 8TB; The 8TB model is by far the largest client SATA SSD; Upgrade to the latest in SATA SSD technology to thrive in today’s digital world***
RELIABLE AND SUSTAINABLE: The groundbreaking capacity of the 870 QVO doubles its reliability from 1,440 TBW to up to 2,880 TBW, using a refined ECC (error-correcting code) algorithm for stable performance; Plus, it's backed by a limited 3 year warranty****
UPGRADE WITH EASE: Upgrading to 870 QVO is now easier than ever for anyone with a desktop PC or laptop that supports a standard 2.5-inch SATA form factor; Simply plug in the 870 QVO into a SATA slot and let the updated migration software take care of the rest
SAMSUNG MAGICIAN SOFTWARE Keep your SSD in check with Samsung Magician 6.1 software; Manage your drive and enhance its performance with a wide range of useful tools to keep up with the latest updates and monitor the drive's health and status
WORLD'S #1 FLASH MEMORY BRAND: Experience the performance and reliability from the world's #1 brand for flash memory since 2003***** All firmware and components, including Samsung's world-renowned DRAM and NAND, are produced in-house, allowing end-to-end integration for quality you can trust. Encryption Support: AES 256
SAMSUNG 870 QVO SATA III SSD 4TB 2.5" Internal Solid State Drive, Upgrade Deskto
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