- Cyber Security
The Five Technical Controls of Cyber Essentials Explained
2 Jun, 2026
£24.10 inc. VAT
AI-generated summary
For £19.97 ex-VAT, this is the kind of “just works” optical that can save you from paying silly money for brand-new gear. If you’ve got an Intel X520/X710-based server NIC or adapter and you’re looking to light up an existing short-reach fibre link, it’s a solid, practical choice—SR optics are exactly what you want for typical data-centre distances. It’s also one of those items where the risk is usually not performance (SR is SR), it’s compatibility, so buying Intel-branded optics for Intel NICs is the sensible path.
Who should buy it: anyone running 10GbE over multimode fibre on Intel X520/X710/X520-series adapters and who needs a spare, a replacement, or to expand an existing port without reworking the network. Who should *not* buy it: if you’re not using Intel hardware, or if your links are anything other than the short multimode use case—optics are cheap compared to troubleshooting the wrong fibre/connector situation. If you’re unsure about the link distance or fibre type, confirm that before ordering; otherwise you might end up with a perfectly good module that won’t come up.

Dell
Dell - SFP (mini-GBIC) transceiver module - 1GbE - 1000Base-T - for Networking N1148, PowerSwitch S4112, S5212, S5232, S5296, Networking N3132, X1026, X1052

STARTECH
StarTech.com M.2 SSD Enclosure for M.2 SATA Drives - USB 3.1 - USB-C - Storage enclosure - M.2 - M.2 Card - USB 3.1 (Gen 2) - black - for P/N: PEXUSB321C

STARTECH
StarTech.com Cisco GLC-LH-SMD Compatible SFP Module 1000BASE-LH 1GbE Single Mode (SMF) Fiber SMF Optic Transceiver 1GE Gigabit Ethernet SFP LC 20km, 1310nm, DDM, Cisco Firepower, IE2000 - Lifetime Warranty (SFPG1320C) - SFP (mini-GBIC) transceiver module - 1GbE - 1000Base-LH - LC single-mode - up to 20 km - 1310 nm - for P/N: ET91000LCOAM, IES101002SFP, IES101G2SFPW, IES101GP2SFW, MCM1110SFP, PEX1000SFP2

STARTECH
StarTech.com MSA Uncoded Compatible SFP+ Module, 10GBASE-ZR, 10GbE Single Mode (SMF) Fiber Optic Transceiver, 10GE Gigabit Ethernet SFP+, LC Connector, 80km, 1550nm, DDM, Mini GBIC Module - Lifetime Warranty (SFP10GBZRST) - SFP+ transceiver module - 10GbE - 10GBase-ZR - LC single-mode - up to 80 km - 1550 nm