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DVRs with RS-232 connector

 prices on 32 models  

RS-232

— the presence of an RS-232 service interface in the recorder (also known as a COM port). Through such a connector, it is usually possible to remotely control the device’s operating parameters from a computer or specialized equipment using appropriate software. Also, the RS-232 port can be used to update the recorder firmware.
RS-232
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Recorder Dahua NVR5208-EI
Dahua NVR5208-EI
WizSense (built-in AI chip)face recognitionsmartalarm input
Type:digital NVR
Video recording:8 channels
Maximum resolution:32 MP (~8000x4000 px)
Storage:up to 32 TB
Photos 4Prices 3
on the 8 channelson the 16 channelson the 32 channels
Price from £331.81 up to £541.00 
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3 store 3 offers
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Recorder Dahua NVR5432-EI
Dahua NVR5432-EI
WizSense (built-in AI chip)face recognitionsmartalarm input
Type:digital NVR
Video recording:32 channels
Maximum resolution:32 MP (~8000x4000 px)
Storage:up to 64 TB
Photos 4Prices 3
on the 32 channelson the 64 channels
Price from £445.06 up to £816.00 
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3 store 3 offers
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Recorder Hikvision DS-7716NXI-K4/16P
Hikvision DS-7716NXI-K4/16P
AcuSense (object detection)face recognitionsmartalarm inputPoE+
Type:digital NVR
Video recording:16 channels
Maximum resolution:12 MP (~4000x3000 pixels)
Storage:up to 40 TB
Prices 2
on the 16 channelson the 32 channels
Price from £530.47
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1 store 2 offers
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Recorder Hikvision DS-9664NI-M8
Hikvision DS-9664NI-M8
smartalarm input
Type:digital NVR
Video recording:64 channels
Maximum resolution:32 MP (~8000x4000 px)
Storage:up to 128 TB
Prices 3
Price from £1,458.38 up to £1,489.00 
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3 store 3 offers
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Recorder Hikvision DS-7716NXI-I4/S(E)
Hikvision DS-7716NXI-I4/S(E)
AcuSense (object detection)face recognitionsmartalarm input
Type:digital NVR
Video recording:16 channels
Maximum resolution:32 MP (~8000x4000 px)
Storage:up to 40 TB
Photos 4Prices 1
on the 16 channelson the 32 channels
Price from £606.95
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1 store 1 offer
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Recorder Dahua NVR5864-EI
Dahua NVR5864-EI
WizSense (built-in AI chip)face recognitionsmartalarm input
Type:digital NVR
Video recording:64 channels
Maximum resolution:32 MP (~8000x4000 px)
Storage:up to 128 TB
Photos 4Prices 1
Price from £1,509.70
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1 store 1 offer
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Recorder Synology DVA3221
Synology DVA3221
face recognitionsmart
Type:digital NVR
Video recording:32 channels
Maximum resolution:8 MP (~3840x2160 px)
Videos 5Photos 8Prices 9
Price from £1,985.72 up to £4,848.00 
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7 store 9 offers
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Recorder Dahua NVR5208-8P-EI
Dahua NVR5208-8P-EI
WizSense (built-in AI chip)face recognitionsmartalarm inputPoE+
Type:digital NVR
Video recording:8 channels
Maximum resolution:32 MP (~8000x4000 px)
Storage:up to 32 TB
Photos 4Prices 4
on the 8 channelson the 16 channelson the 32 channels
Price from £368.29 up to £685.00 
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4 store 4 offers
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Recorder Axis F9111
Axis F9111
face recognitionsmartalarm input
Type:analog DVR
Video recording:1920x1080 px
Maximum resolution:2 MP (~1920x1080 px)
Photos 3Prices 3
Price from £574.58 up to £585.00 
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3 store 3 offers
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Recorder Hikvision DS-7716NI-M4/16P
Hikvision DS-7716NI-M4/16P
smartalarm inputPoE+
Type:digital NVR
Video recording:16 channels
Maximum resolution:32 MP (~8000x4000 px)
Storage:up to 64 TB
Prices 3
on the 16 channelson the 32 channels
Price from £608.76 up to £694.00 
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3 store 3 offers
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Recorder Hikvision DS-7716NXI-I4/16P/S(E)
Hikvision DS-7716NXI-I4/16P/S(E)
AcuSense (object detection)face recognitionsmartalarm inputPoE+
Type:digital NVR
Video recording:16 channels
Maximum resolution:32 MP (~8000x4000 px)
Storage:up to 40 TB
Photos 4Prices 3
on the 16 channelson the 32 channels
Price from £608.76 up to £739.00 
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3 store 3 offers
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Recorder Dahua NVR5216-16P-4KS2E
Dahua NVR5216-16P-4KS2E
smartalarm inputPoE+
Type:digital NVR
Video recording:16 channels
Maximum resolution:12 MP (~4000x3000 pixels)
Storage:up to 20 TB
Photos 3Prices 4
on the 16 channelson the 32 channels
Price from £342.99 up to £503.00 
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3 store 4 offers
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Recorder LevelOne NVR-1332
LevelOne NVR-1332
smartalarm input
Type:digital NVR
Video recording:32 channels
Maximum resolution:12 MP (~4000x3000 pixels)
Storage:up to 32 TB
Photos 6Prices 2
Price from £1,028.70
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2 store 2 offers
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Recorder Hikvision DS-7716NI-M4
Hikvision DS-7716NI-M4
smartalarm input
Type:digital NVR
Video recording:16 channels
Maximum resolution:32 MP (~8000x4000 px)
Storage:up to 64 TB
Prices 2
on the 16 channelson the 32 channels
Price from £451.30
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2 store 2 offers
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Recorder Hikvision iDS-7716NXI-I4/X(C)
Hikvision iDS-7716NXI-I4/X(C)
face recognitionsmartalarm input
Type:digital NVR
Video recording:16 channels
Maximum resolution:32 MP (~8000x4000 px)
Storage:up to 40 TB
Prices 2
Price from £1,133.02
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2 store 2 offers
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Recorder Dahua NVR4216-16P-4KS2/L
Dahua NVR4216-16P-4KS2/L
smartalarm inputPoE+
Type:digital NVR
Video recording:16 channels
Maximum resolution:8 MP (~3840x2160 px)
Storage:up to 20 TB
Photos 7Prices 2
on the 4 channelson the 8 channelson the 16 channels
Price from £318.99 up to £430.00 
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2 store 2 offers
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Recorder Hikvision DS-7732NXI-K4/16P(D)
Hikvision DS-7732NXI-K4/16P(D)
AcuSense (object detection)face recognitionsmartalarm inputPoE+
Type:digital NVR
Video recording:32 channels
Maximum resolution:12 MP (~4000x3000 pixels)
Storage:up to 64 TB
Photos 4Prices 1
Price from £606.68
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1 store 1 offer
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Recorder Hikvision DS-7732NXI-K4(D)
Hikvision DS-7732NXI-K4(D)
face recognitionsmartalarm input
Type:digital NVR
Video recording:32 channels, 4000x3000 px
Maximum resolution:12 MP (~4000x3000 pixels)
Storage:up to 64 TB
Photos 4Prices 1
Price from £430.46
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1 store 1 offer
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Recorder Dahua NVR616-128-4KS2
Dahua NVR616-128-4KS2
smartalarm input
Type:digital NVR
Video recording:128 channels, 4000x3000 px
Maximum resolution:12 MP (~4000x3000 pixels)
Storage:up to 128 TB
Photos 3Prices 2
Price from £924.13 up to £2,600.00 
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1 store 2 offers
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Recorder Dahua XVR5832S-4KL-I3
Dahua XVR5832S-4KL-I3
WizSense (built-in AI chip)face recognitionsmartalarm input
Type:hybrid HVR (HDVR)
Video recording:32 channels, 3840x2160 px
Maximum resolution:8 MP (~3840x2160 px)
Storage:up to 144 TB
Photos 4Prices 1
Price from £1,175.00
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1 store 1 offer
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Recorder Dahua NVR5208-8P-4KS2E
Dahua NVR5208-8P-4KS2E
smartalarm inputPoE+
Type:digital NVR
Video recording:8 channels
Maximum resolution:12 MP (~4000x3000 pixels)
Storage:up to 20 TB
Photos 4Prices 1
Price from £349.98
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1 store 1 offer
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Recorder TP-LINK VIGI NVR4032H
TP-LINK VIGI NVR4032H
VIGI (IP, wired)face recognitionsmartalarm input
Type:digital NVR
Video recording:32 channels
Maximum resolution:8 MP (~3840x2160 px)
Storage:up to 40 TB
Photos 2Prices 2
Price from £1,579.00
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2 store 2 offers
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Recorder Dahua XVR5832S-I3
Dahua XVR5832S-I3
WizSense (built-in AI chip)face recognitionsmartalarm input
Type:hybrid HVR (HDVR)
Video recording:32 channels, 1296x1944 px
Maximum resolution:8 MP (~3840x2160 px)
Storage:up to 128 TB
Photos 4Prices 1
Price from £719.15
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1 store 1 offer
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Recorder Hikvision DS-7732NXI-K4
Hikvision DS-7732NXI-K4
AcuSense (object detection)face recognitionsmartalarm input
Type:digital NVR
Video recording:32 channels
Maximum resolution:12 MP (~4000x3000 pixels)
Storage:up to 40 TB
Photos 4Prices 1
Price from £430.46
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1 store 1 offer
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RS-232
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