Ruijie Reyee RG-NBS3200-24GT4XS 24-Port Gigabit L2 Managed Switch with 4× 10G SFP+ Uplink
Unless selecting a vari-focal camera (with an adjustable lens) It is important to select the correct camera lens option for where the camera is to be positioned. A smaller lens will give you a wider angle but will be "zoomed out more", while a bigger lens will narrow the angle down and "zoom in more". See below to give you some idea on angles of Megapixel HD Cameras:
| Lens in mm | Approx Viewing Angle (degrees) | Ideal Distance (metres) | Typical usage/notes |
|---|---|---|---|
| 2.8 | 106 | <6 | For seeing as much of the immediate area as possible such as above a doorway/low down/garage soffits (edges can appear slightly warped/distorted) - clearly "zoomed out" |
| 3.6/4 | 83-90 | <12 | A great general purpose option giving great coverage still in the corner of a room or higher up on second floor soffits with less distortion - more of a natural "zoom" |
| 6 | 56 | 6-20 | Narrows down the angle and zooms in to look past the immediate area a little to gain more detail - down a driveway for example from higher up |
| 12 | 24 | 20+ | Zooms in significantly more to look at a gate, entrance or adjascent building |
| 16 | 19 | 24+ | As above but more so |
The amount of hard drive space you require is dictated by how many cameras, as well as their resolution, frame rate settings, and whether you have H.265 encoding enabled or not to save space (We advise turning it on to double the capacity shown below with ease).
Finally, you can often make your storage space last a lot longer by enabling motion-detected recording rather than continuous, especially if there are long periods of no activity (to perhaps double or more these figures again).
|
Resolution (Megapixels) |
Days of storage provided by 1TB per camera (continuous - full 25 frames per second) |
Days of storage provided by 1TB per 4 cameras (continuous - full 25 frames per second) |
Days of storage provided by 1TB per 4 cameras (50% motion- 15 frames per second) |
|---|---|---|---|
| 1 | 44 | 11 | 36 |
| 2 | 22 | 5 | 18 |
| 3 | 17 | 4 | 14 |
| 4 | 11 | 3 | 9 |
| 5 | 9 | 2 | 8 |
| 6 | 8 | 2 | 6 |
| 8 (4K) | 5 | 1 | 4 |
| 12 | 4 | 0.5 | 3 |
As a rule of thumb, we recommend 2 Terabytes for a 4 x 4/5MP HD camera setup, as this should give you approx 2 weeks using H.265 @ 20fps and that is on continuous, not motion-detected recording.
(You may only require the full 25 frames per second on certain cameras if things are fast-moving - ie above a till)
You can also use the Hikvision online calculator to work out what works best for you specifically: https://tools.hikvision.com/ca...
(All of our hard drives come fitted and are CCTV-specific from one of the major brands)
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Ruijie Reyee RG-NBS3200-24GT4XS 24-Port Gigabit L2 Managed Switch with 4× 10G SFP+ Uplink
The RG-NBS3200-24GT4XS is a professional-grade Layer 2+ managed Gigabit switch built for high-density access and high-speed uplink environments. It provides 24 Gigabit Ethernet ports for end devices and 4 × 10G SFP+ uplink ports for high-speed fibre aggregation, making it ideal for enterprise backbone, CCTV control rooms, education campuses and business networks. With a 128Gbps switching capacity and high forwarding performance, the switch ensures smooth and stable traffic handling even under heavy network load. It supports advanced Layer 2 features such as VLAN segmentation, STP/RSTP loop prevention, LACP link aggregation, IGMP Snooping, QoS prioritisation, ACL security rules, and port isolation, allowing full control over network structure and traffic flow. The device is designed with a 19-inch rackmount metal chassis, built for durability and long-term operation in professional environments. It includes surge protection (6kV) to improve reliability in unstable power conditions. The RG-NBS3200-24GT4XS also supports Ruijie Cloud management, enabling remote monitoring, configuration, and maintenance, reducing the need for on-site network management. This makes it suitable for multi-site deployments and centrally managed enterprise networks.
KEY FEATURES
- 24 × Gigabit RJ45 ports (10/100/1000Mbps)
- 4 × 10G SFP+ fibre uplink ports
- Layer 2+ managed switch
- 128Gbps switching capacity
- 95Mpps forwarding performance (approx.)
- VLAN segmentation (up to 4094 VLANs)
- STP / RSTP loop prevention
- LACP link aggregation support
- IGMP Snooping for multicast optimisation
- QoS traffic prioritisation
- ACL security control policies
- Port isolation support
- 6kV surge protection
- Cloud management via Ruijie Cloud
- 19-inch rackmount metal chassis
- Ideal for enterprise, CCTV backbone and campus networks
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