User Manual
DS-73xxHUI-K4, DS-73xxHQI-K4, DS-90xxHUI-K8 DVR User Manual 
UM DS-73xxHUI-K4 DS-73xxHQI-K4 DS-90xxHUI-K8 032918NA  213 
18 Appendix 
18.1 Specifications   
18.1.1  DS-73xxHUI-K4 
Model
DS
-
7
304HU
I
-
K4
DS
-
7
308HU
I
-
K4
DS
-
7
316HU
I
-
K4
Video/Audio Input 
V
ideo 
Compression
H.265+/H.265/H.264+/H.264
Analog Video Input 
4
-
ch
8
-
ch
16
-
ch
BNC interface (1.0 Vp
-
p, 75 Ω), supporting
Hikvision
-
C
connection
HDTVI 
Input
5 MP, 4 MP, 3 MP, 1080p25, 1080p30, 720p25, 720p30, 720p50, 720p60
CVBS Input
Supported 
IP Video Input 
2
-
ch (up to 6
-
ch)
2
-
ch (up to 10
-
ch)
2
-
ch (up to 18
-
ch)
Up to 8 M
P resolution
Supports H.265+/H.265/H.264+/H.264 IP cameras
Network 
Bandwidth
200 Mbps
260 Mbps
Audio 
Compression
G.711u
Audio 
Input
4
-
ch, RCA (2.0 Vp
-
p, 1 KΩ)
Video/Audio 
Output 
CVBS 
Output
1
-
ch, BNC (1.0 Vp
-
p, 75 Ω), resolution: PAL: 704 
× 576, 
NTSC: 704 × 480
HDMI1/VGA 
Output
1
-
ch, 1920 × 1080/60
Hz, 1280 × 1024/60
Hz, 1280 × 720/60
Hz, 1024 × 768/60
Hz
HDMI2 Output 
1
-
ch, 4K (3840 × 2160)/30
Hz, 2K (2560 × 1440)/60
Hz, 1920 × 1080/60
Hz, 1280 × 1024/60
Hz, 
1280 × 720/60
Hz, 1024 × 768/60
Hz
Encoding 
Resolution
5 MP/4 MP/3 MP/1080p/720p/WD1/4CIF/VGA/CIF
Frame Rate 
M
ain stream:
5 MP
@
12
fps; 4 MP
@ 15
fps; 3 MP
@
18
fps;
1080p/720p/WD1/4CIF/VGA/CIF
@
25
fps
(P)/30
fps
(N)
Sub
-
stream:
WD1/4CI
F/
CIF
@
25
fps
(P)/30
fps
(N)
Video 
Bit Ra
te
32 Kbps to 
10
Mbps
Audio 
Output
2
-
ch, RCA (Linear, 1 
K
Ω)
Audio 
Bit 
Rate
64 Kbps   
Dual
Stream
Support
ed
Stream 
Type
Video, Video & Audio
Synchronous 
Playback
4
-
ch
8
-
ch
16
-
ch
Network 
Management 
Remote 
Connections
128
Network Protocols 
TCP/I
P, PPPoE, DHCP, 
Hik
-
Connect, 
DNS, DDNS, NTP, SADP, NFS, iSCSI, UPnP™
, HTTPS, ONVIF, 
SNMP
Hard Disk 
SATA
4
SATA interface
s
eSATA
Support
ed
Capacity
Up to 
8 
TB capacity
for each disk
Disk 
Array
Array type
RAID 0, RAID 1, RAID 5, RAID 6, RAID 10
External Interface 
Two
-
way 
Audio Input
1
-
ch, RCA (2.0 Vp
-
p, 1 K
Ω) (
independent
)
Network 
Interface
2
, RJ
-
45 10M/100M
/1000M
self
-
adaptive 
Ethernet interface
USB Interface 
F
ront panel
: 2
×
USB 2.0 
R
ear panel
:
1 ×
USB 3.0 
S
erial 
Interface
RS
-
232
,
RS
-
485 (full
-
duplex)
,
k
eyboard
A
larm 
In
/
Out
16/4
General 
Power 
Su
pply
100 to 240 VAC
Consumption
(w
/o
HDD
)
≤35 W  ≤45 W  ≤65 W 
Working 
Temperature
-
10
°
to 
+55
° 
C
(
+
14°
to
+
131° 
F)
Working 
Humidity
10% 
to
90%
Dimensions
(W × D × H)
445 × 390 × 70 mm (17.5 × 15.4 × 2.8 inch) 
Weight
(w
/o
HDD)
≤
5 kg (11.0 lb)










