DVR CCTV in 2026: Keep, Go Hybrid or Upgrade to IP

Keep your DVR if the coax cabling is sound and 2-4MP footage is enough for what you need to identify. Go hybrid if you want to add a few IP cameras without re-cabling, or move to an IP NVR when you need higher resolution, PoE and a longer-term platform, and you're willing to pull Cat6. The right path depends on the condition of your existing cable and cameras, so check those before you price any new recorder.

When does a DVR CCTV system still make sense in 2026?

Keep the DVR when the cables are sound, the cameras still give usable images, and no new camera needs more than coax can carry. If you want to add higher resolution or newer camera features, a hybrid recorder or an IP NVR is the better route.

	Keep the DVR	Hybrid (XVR)	IP NVR
Cable reuse	All existing coax, once its condition is confirmed	Existing coax for old cameras; new network cable for any IP additions	New network cable to every camera
Resolution ceiling	Set by the recorder and the camera format	Set by the recorder's rating, with IP channels added alongside coax	Set by the NVR and IP cameras, not by cable type
PoE	None; each camera needs a 12V DC supply	Only for the IP cameras, via a switch or injector	Built-in recorder PoE ports or a PoE switch
Cost-per-channel method	See formula below	See formula below	See formula below
Existing HDD	Check the new recorder's datasheet	Check the new recorder's datasheet	Check the new recorder's datasheet
Best for	Like-for-like replacement of a working analogue system	Phased upgrades that keep old runs	New builds and full upgrades

Work out cost per channel the same way on every path: (live recorder price on the product page ÷ channels) + camera cost + cable cost. Read the recorder price from the product page on the day you buy.

The resolution ceiling differs by recorder, not by path. The Hikvision DS-7204HGHI is a 1080p unit. The Dahua XVR5104HS-I3 4-channel takes HDCVI, AHD, TVI, CVBS or IP cameras at up to 4K.

On cable reuse, CCTV Security Pros advises confirming cable condition, camera video format and recorder compatibility before keeping coax.

For storage, the 8CH 4K Hybrid XVR-3108AD-4K takes one SATA drive, and a surveillance-grade model is recommended. Our data says nothing on reusing old drives, so check the new recorder's datasheet or manual for supported capacity and bays before moving one across.

What can your existing coax actually carry?

Existing coax can carry well beyond 2MP: current HD-over-coax recorders accept up to 8MP, though at lower frame rates and usually with new cameras.

The old ~2MP ceiling only describes older analogue formats. The Uniview XVR304-32Q3 datasheet lists AHD input at 8MP@15fps, 5MP@20fps, 4MP@30fps and 1080P@30fps, with TVI, AHD, CVI, CVBS and IP all accepted. Our Dahua XVR5104HS-I3 4-channel DVR with 2TB storage is listed as recording up to 4K from HDCVI, AHD, TVI, CVBS or IP cameras.

Higher resolution on coax costs frame rate, and it means new cameras as well as a new recorder. The datasheet shows the pattern: 8MP tops out at 15fps, while 1080P reaches 30fps. A recorder can only store what the camera sends, so a 1080p camera on a 4K-capable DVR still records 1080p.

RG59 versus Cat6

Reusing coax saves the cost and disruption of pulling new cable, which is the main reason to choose a DVR over an NVR for an existing install. Cat6 is the route for IP cameras. A hybrid recorder such as the 8 Channel 4MP Hybrid DVR, which takes TVI, AHD, CVI, CVBS and IP, lets you keep working coax runs and add IP cameras where you do run new cable.

Before you commit, follow the CCTV Security Pros advice (a US supplier) and confirm three things:

• the cable condition
• each camera's video format
• recorder compatibility

Your own installer or electrician should check the runs and connectors on site.

How does a hybrid DVR work as a stepping stone?

A hybrid DVR (XVR) records TVI, AHD, CVI, CVBS and some IP cameras on one box, so your existing coax stays in place. You add IP cameras only where you can run Cat6.

That lets you upgrade in stages rather than re-cabling a whole site at once. Before reusing old coax, confirm the cable condition, camera video format and recorder compatibility, as CCTV Security Pros advises for BNC upgrades.

The limit to check first

The IP channel allowance is capped, and it is usually much smaller than the analogue count. A Uniview hybrid example takes 32 analogue plus 4 IP channels, 36 at most. The US-market Viewtron VT-DVR-16 offers 16 BNC inputs plus up to 8 IP, 24 in total.

If you expect to go mostly IP over time, check the IP figure in the datasheet before you buy.

Our hybrid options

• 8 Channel 4MP Hybrid DVR: accepts TVI, AHD, CVI, CVBS and IP, with H.264/H.265 compression.
• 8CH 4K Hybrid DVR (XVR-3108AD-4K): 8MP recording and one SATA drive bay, at £122.82 including VAT.

Stock status and the IP allowance for each are on the product page. Your own installer or electrician should work from the datasheet or installation guide.

When is a full IP NVR worth the cable pull?

An IP NVR is worth the cable pull when your coax cameras can't give you the resolution you need, you want PoE-powered cameras, or you want a system you won't revisit.

The main change is cabling. One Cat6 run carries data and power, with the recorder's own PoE ports or a separate PoE switch supplying the power, where a DVR setup needs coax plus a power feed. Pelco's DVR vs NVR guide lists camera choice, cabling, processing and running costs as the main differences between the two.

Before pulling any cable, work out the PoE numbers:

• Add up each camera's rated PoE draw from its datasheet and compare the total with the PoE budget of the recorder or switch.
• Count the ports, and leave spares for cameras you may add later.

Our PoE switch sizing guide covers the method, the PoE camera article covers what to specify, and the Cat6 article covers the cable.

If the coax cameras still do the job, a hybrid step costs far less than a full re-cable. As general guidance, a hybrid recorder such as the Dahua XVR5104HS-I3 4-channel DVR with 2TB storage accepts HDCVI, AHD, TVI, CVBS or IP cameras. You can add IP cameras beside the existing coax now, then bring in an NVR later and move cameras across in phases.

We sell the kit; your own installer or electrician fits it. Each product's datasheet or installation guide gives the details they will need. You can shop at cctvmaster.co.uk or ask about trade pricing.

What should UK buyers check before deciding?

Check four things: the condition of any existing cable, what your lease permits, whether the recorder takes both analogue and IP, and your data-protection duties.

Older properties

Reusing coax only makes sense once the cable condition, camera video format and recorder compatibility are confirmed, per CCTV Security Pros. Trace the run and see whether Cat6 can follow the same route or trunking (see the cable trunking guide). Where solid walls make a new pull impractical, a hybrid recorder is the strongest option, because the coax cameras keep working and IP cameras can be added later.

Landlord and leasehold

Check your lease or tenancy for rules on drilling, external fixings and cabling. Where it requires consent, get it in writing before anything goes on the wall.

Sourcing analogue kit

Hybrid XVRs that accept analogue and IP are the mainstream recorder type, so a new purchase should start there. Buy pure-analogue cameras on a like-for-like basis, matching the video format your recorder supports. A recorder such as the 8CH 4K Hybrid CCTV DVR, priced at £122.82, leaves a later IP move open.

UK GDPR and the ICO CCTV code

Cameras that cover a pavement, a neighbour's garden or a shared hallway can bring you within UK GDPR, so read the ICO's CCTV and video surveillance guidance before you aim anything. Angle cameras to avoid areas you don't need, put up clear signage, and decide in advance how long footage is kept and who can view it. Your own position matters here, so treat this as a prompt to check rather than a ruling on your site.

Related products

Related products from our own range:

• Dahua XVR5104HS-I3 4-Channel DVR with 2TB Storage — Dahua XVR5104HS-I3 4-channel DVR with a 2TB hard drive pre-installed, recording up to 4K from HDCVI, AHD, TVI, CVBS or IP cameras — ready to run out of the box.
• Hikvision DS-7204HGHI 4-Ch DVR + 1TB | CCTV Master — Hikvision DS-7204HGHI: 4-channel 1080p 1U H.265 DVR with 1TB hard drive pre-installed. Free UK delivery over £100.
• 8 Channel 4MP Hybrid DVR for CCTV Systems — 8-channel hybrid DVR supporting TVI, AHD, CVI, CVBS and IP cameras with 4MP recording. H.264/H.265 compression, HDMI/VGA output, remote mobile access.
• Dahua DVR 4 Channel XVR5104HS-I3 with 6TB Storage — 4-channel Dahua WizSense DVR pre-loaded with a 6TB hard drive, ready to record straight out of the box. Supports HDCVI, AHD, TVI, CVBS and IP cameras up to 4K.