- Azure Cloud
How to Optimise Azure VM Performance
6 Jan, 2026

£86.40 inc. VAT
AI-generated summary
The Lenovo C19 4.3m coupler is the kind of boring cable part that’s either exactly what you needed… or a headache you have to work around. At £72 ex-VAT, you’re paying for convenience and compatibility, not “value-per-meter”. If you’ve got a server rack/UPS setup where you need a longer run and your existing C19 lead is the bottleneck, this can save time and avoid unsafe DIY fixes. For a UK reseller environment, it’s also a sensible spare to keep on hand for customers who move gear around and discover their power routing doesn’t reach.
That said, I wouldn’t buy it casually. If you’re just building a new rack layout, it’s usually better value to choose the correct full-length power cable from the start rather than relying on couplers and extra join points. Also make sure your existing leads and inlet/outlet types actually match—C19-related bits are easy to mix up and then you’re stuck with something “technically compatible” but not usable without adapters. If you tell me what device(s) and what cable you’re trying to extend, I can say whether this is the right fix or a “buy once, regret later” purchase.

STARTECH
StarTech.com 2m (6.6ft) Thunderbolt 3 Cable, 20Gbps, 100W PD, 4K Video, Thunderbolt-Certified, Compatible w/ TB4/USB 3.2/DisplayPort - Thunderbolt cable - USB-C (M) to USB-C (M) - Thunderbolt 3 / USB / DisplayPort - 2 m - black - for P/N: CDP2HDUACP, CDP2HDUACPW, MST30C2DPPD

APC
Power Cord, Locking C19 to C20, 3.0m

Lenovo
Lenovo - Power cable - power IEC 60320 C13 to SABS 164-1 (M) - AC 250 V - 2.8 m - for ThinkSystem DE4000H Hybrid, SD630 V2, SR630 V2, SR650 V2, ST650 V2

STARTECH
StarTech.com DC Power Adapter - 12V, 2A - Universal Replacement Power Adapter (NA, EU, UK, AU) (SVA12M2NEUA) - Power adapter - AC 100-240 V - for P/N: RKPNLLT, S351BMU33ET, S351BMU33ETG, SV431DL2DU3A, SV431DPDDUA2, SV431DPUA2