StarTech.com · AV Extender

StarTech.com HDMI over CAT6 Extender - 4K price in United Kingdom

Model ST121HD20LMPN ST121HD20LEAN 065030882637

ConnectivityWired
TypeAV transmitter & receiver
Weight271 g
ColourBlack

Lowest price incl. delivery

£295.44

at PCHUB.UKFree deliveryIn stock

2 stores
Range £295.44 – £362.99
Save up to £67.55 vs. the dearest store
2 in stock
2 with free delivery
Checked 6 Oct 2026, 05:40 UTC

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Full specifications and side-by-side comparison

Prices in United Kingdom

2 stores · prices in GBP · updated 6 Oct 2026, 05:40 UTC

Lowest price£295.44at PCHUB.UK · free shippingGo to PCHUB.UK

Price range across 2 offers

Save up to £67.55 (19%) by choosing the cheapest store

2 of 2 stores in stock
2 with free shipping
Checked 6 Oct 2026, 05:40 UTC

PCHUB.UKLowest priceStarTech.com HDMI over CAT6 Extender - 4K 60Hz - 330 ft. (100 m) - TAA In stockFree shipping
£295.44incl. free shipping
Go to store : PCHUB.UK (opens in a new tab)
Back to the OfficeStarTech.com HDMI over CAT6 Extender - 4K 60Hz - 330 ft. (100 m) - TAA In stockFree shipping
£362.99incl. free shipping+£67.55 (23%) vs lowest
Go to store : Back to the Office (opens in a new tab)

Ad: we may earn a commission when you buy through these links; it never changes the order, which is by total price only. Prices and stock are shown as each store states them, as of 6 Oct 2026, 05:40 UTC, and can change at any time. Taxes are included only where the store includes them.

Price history in United Kingdom

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Product details

Identification

Brand: StarTech.com
Product: HDMI over CAT6 Extender - 4K
Full name: StarTech.com HDMI over CAT6 Extender - 4K 60Hz - 330 ft. (100 m) - TAA
Manufacturer part number: ST121HD20L
EAN / UPC: 065030882637
Category: AV Extender

47 specifications from the manufacturer's data sheet

Features

Type	AV transmitter & receiver
Maximum resolution	3840 x 2160 pixels
Cable types supported	Cat6
Chipset	Norelsys NS 5730, NS5731
Maximum transfer distance	140 m
Maximum refresh rate	60 Hz
Audio output channels	7.1 channels
HDCP	Yes
HDCP version	1.4/2.2
LED indicators	Link, Power
Material	Metal
Supported graphics resolutions	1280 x 720 (HD 720), 1920 x 1080 (HD 1080), 1920 x 1200 (WUXGA), 2560 x 1600 (WQXGA)
Product colour	Black

Ports & interfaces

Connectivity technology	Wired
RJ-45 input ports	1
RJ-45 output ports	1
HDMI in	1
Number of HDMI outputs	1
Remote (IR) input	2
Remote (IR) output	2
Serial ports quantity	2
DC-in jack	Yes