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4 Channel NVR

A 4-channel NVR records from up to 4 IP cameras simultaneously, with 4 built-in PoE ports typically delivering power and data to each camera over a single Cat6 cable per camera. This size suits small-scale installs: a 2- or 3-camera apartment, a small home with front-door plus side-yard coverage, a single shopfront with 1–2 cameras inside plus 1–2 outside, or any install where 4 cameras is genuinely the final count and you don't need expansion headroom. For installs where you might add cameras later, an 8-channel NVR with the same install is usually the right call — same price tier on the basic models, double the expansion ceiling.

Security Cameras Australia stocks 4-channel NVRs from Hikvision and HiLook. Every NVR is genuine Australian stock with full manufacturer warranty.

For broader NVR guidance see the main NVR collection. For more headroom see the 8-channel NVR collection.

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Who buys a 4-channel NVR

  • Small apartments and units with 2–3 cameras (front door, balcony, single interior view).
  • Small homes with front door + side or rear coverage where 4 cameras is genuinely the final count.
  • Small commercial shopfronts with 1–2 inside + 1–2 outside cameras.
  • Replacement of a failed 4-channel NVR on an existing install where the camera count won't grow.

Key spec to confirm

  • 4 built-in PoE ports rated at 802.3af (and PoE+ 802.3at on Pro models) — match the PoE tier to your cameras.
  • Maximum resolution per channel — modern 4-channel NVRs typically support 4MP across all channels, with selected Pro models supporting 8MP / 4K on each.
  • SATA bay count — usually 1 bay (some Pro models 2). 1 bay limits maximum HDD to typically 16 TB; 2 bays add RAID redundancy or extended retention.
  • Incoming bandwidth budget — typically 40–80 Mbps on 4-channel NVRs, adequate for 4× 4K H.265+ streams.

Storage sizing for a 4-camera install

Per the per-resolution per-day numbers (see main NVR collection for the full sizing guide):

  • 4 × 4MP cameras, 30-day retention → ~8 TB. Single 8 TB Seagate SkyHawk AI fits.
  • 4 × 6MP cameras, 30-day retention → ~12 TB. Single 12 or 16 TB drive.
  • 4 × 4K cameras, 30-day retention → ~24 TB. Needs 2× 12 TB drives (and a 2-bay NVR) or step up to a Pro model.

Should I step up to 8-channel?

Probably, unless you're certain the camera count will never exceed 4. The price difference between 4-channel and 8-channel NVRs at the same Pro tier is typically modest, while the expansion headroom doubles. For most kit installs, the 8-channel NVR is standard for this reason — most 4-camera kits ship with 8-channel recorders. Buy 4-channel specifically only when the install is truly capped at 4 cameras (small unit, retrofit replacement, budget-constrained).

Why buy from Security Cameras Australia

  • Authorised Australian dealer · full manufacturer warranty.
  • Expert sizing support · advice on 4-channel vs 8-channel for your install.
  • Price-match · free shipping · 30-day returns.

Shop the 4-channel NVR range

Browse below, or step up to the 8-channel NVR collection for expansion headroom. For NVR sizing fundamentals see the main NVR collection.

Frequently Asked Questions about 4 Channel NVR

Is a 4-channel NVR enough for my install?

Yes if the camera count is truly capped at 4 — a small apartment with 2–3 cameras, a small home with front and side coverage, a shopfront with inside-plus-outside. No if there's any chance you'll add a 5th camera later — step up to 8-channel for the expansion headroom. The price difference at the same Pro tier is modest.

Does a 4-channel NVR have 4 PoE ports built in?

Most modern Hikvision and HiLook 4-channel NVRs include 4 built-in PoE ports — one per channel — so each camera connects with a single Cat6 cable for both power and data. Verify the PoE tier (802.3af vs PoE+ 802.3at) matches your cameras' power requirement; PTZ, 4K AcuSense and ColorVu cameras typically need PoE+.

What HDD storage does a 4-channel NVR support?

Typically 1 SATA bay (some Pro models 2). With a single 8 TB drive, you get about 30 days retention on 4× 4MP cameras; 16 TB for 4× 6MP at 30 days; for 4× 4K cameras at 30-day retention you need ~24 TB across two bays. Use surveillance-grade Seagate SkyHawk AI or WD Purple drives.

Can I view a 4-channel NVR remotely from my phone?

Yes — Hikvision and HiLook NVRs include Hik-Connect mobile app support (iOS and Android) for live view, playback, alerts and remote configuration. No cloud subscription required for the basic remote-view function.

Can I expand a 4-channel NVR to support more cameras?

No — the channel count is a hard ceiling. A 4-channel NVR will record up to 4 cameras, full stop. To run more, you either replace the NVR with an 8-channel (or higher) unit, or add a second NVR (uncommon and messy for small installs). This is why the standard recommendation for any install with growth potential is to size up at purchase rather than replace later.
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