Product comparison · 2 network surveillance servers

Buffalo LinkStation 420 NVR 4TB vs Dahua Technology IVSS7108-2M network surveillance server Rack (2U) Fast Ethernet, Gigabit Ethernet

18specifications compared
15differ
3identical
25known for one product only

Key differences

The Dahua Technology IVSS7108-2M network surveillance server Rack (2U) Fast Ethernet, Gigabit Ethernet has 6 more HDDs supported than the Buffalo LinkStation 420 NVR 4TB (8 vs 2). The Dahua Technology IVSS7108-2M network surveillance server Rack (2U) Fast Ethernet, Gigabit Ethernet has 12 TB more maximum storage capacity than the Buffalo LinkStation 420 NVR 4TB (16 TB vs 4 TB). The Dahua Technology IVSS7108-2M network surveillance server Rack (2U) Fast Ethernet, Gigabit Ethernet has 3 more Ethernet LAN (RJ-45) ports than the Buffalo LinkStation 420 NVR 4TB (4 vs 1). HDD interface: Serial ATA II on the Buffalo LinkStation 420 NVR 4TB, SATA III on the Dahua Technology IVSS7108-2M network surveillance server Rack (2U) Fast Ethernet, Gigabit Ethernet. RAID levels: 1, JBOD on the Buffalo LinkStation 420 NVR 4TB, 0, 1, 5, 6, 10, 50, 60 on the Dahua Technology IVSS7108-2M network surveillance server Rack (2U) Fast Ethernet, Gigabit Ethernet.

Number of HDDs supported
- LinkStation 420 NVR 4TB:2
- IVSS7108-2M network surveillance server Rack (2U) Fast Ethernet, Gigabit Ethernet:8
HDD interface
- LinkStation 420 NVR 4TB:Serial ATA II
- IVSS7108-2M network surveillance server Rack (2U) Fast Ethernet, Gigabit Ethernet:SATA III
Maximum storage capacity
- LinkStation 420 NVR 4TB:4 TB
- IVSS7108-2M network surveillance server Rack (2U) Fast Ethernet, Gigabit Ethernet:16 TB
RAID levels
- LinkStation 420 NVR 4TB:1, JBOD
- IVSS7108-2M network surveillance server Rack (2U) Fast Ethernet, Gigabit Ethernet:0, 1, 5, 6, 10, 50, 60
Ethernet LAN (RJ-45) ports
- LinkStation 420 NVR 4TB:1
- IVSS7108-2M network surveillance server Rack (2U) Fast Ethernet, Gigabit Ethernet:4
USB 2.0 ports quantity
- LinkStation 420 NVR 4TB:1
- IVSS7108-2M network surveillance server Rack (2U) Fast Ethernet, Gigabit Ethernet:4
Power consumption (typical)
- LinkStation 420 NVR 4TB:25 W
- IVSS7108-2M network surveillance server Rack (2U) Fast Ethernet, Gigabit Ethernet:105 W
AC input voltage
- LinkStation 420 NVR 4TB:100-240 V
- IVSS7108-2M network surveillance server Rack (2U) Fast Ethernet, Gigabit Ethernet:100 - 240 V

Side by side

Differences highlightedShow differences only

Comparison of LinkStation 420 NVR 4TB, IVSS7108-2M
43 specifications	A Buffalo LinkStation 420 NVR 4TB View product	B Dahua Technology IVSS7108-2M network surveillance server Rack (2U) Fast Ethernet, Gigabit Ethernet Model IVSS7108-2M View product
Processoridentical
Processor familyKnown for one	Marvell ARMADA 370	Unknown — not stated by the source
Processor modelKnown for one	370	Unknown — not stated by the source
Processor frequencyKnown for one	1.2 GHz	Unknown — not stated by the source
Processor coresKnown for one	2	Unknown — not stated by the source
Memoryidentical
Internal memoryKnown for one	0.5 GB	Unknown — not stated by the source
Internal memory typeKnown for one	DDR3	Unknown — not stated by the source
Storage4 differ
Number of HDDs supportedDiffers	2	8
HDD interfaceDiffers	Serial ATA II	SATA III
Maximum storage capacityDiffers	4 TB	16 TB
Hot-swap drive baysKnown for one	No	Unknown — not stated by the source
RAID support	Yes	Yes
RAID levelsDiffers	1, JBOD	0, 1, 5, 6, 10, 50, 60
Ports & interfaces3 differ
Ethernet LAN (RJ-45) portsDiffers	1	4
Ethernet interface typeDiffers	Gigabit Ethernet	Fast Ethernet, Gigabit Ethernet
USB 2.0 ports quantityDiffers	1	4
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityKnown for one	0	Unknown — not stated by the source
HDMI ports quantityKnown for one	Unknown — not stated by the source	4
VGA (D-Sub) output portsKnown for one	Unknown — not stated by the source	1
Featuresidentical
Cable lock slotKnown for one	Yes	Unknown — not stated by the source
Operating system installed	Linux Embedded	Linux Embedded
Video compression formatsKnown for one	Unknown — not stated by the source	H.264
Ethernet LAN data ratesKnown for one	Unknown — not stated by the source	10,100,1000 Mbit/s
CertificationKnown for one	Unknown — not stated by the source	CE: CE-LVD: EN 60950-1/IEC 60950-1 CE-EMC: EN55024,EN55035, EN50130-4,EN60950-1 FCC: Part 15 Subpart A UL: 60950-1 and CAN/CSA C22.2 No. 60950-1-07
Designidentical
Built-in displayKnown for one	No	Unknown — not stated by the source
LED indicatorsKnown for one	Yes	Unknown — not stated by the source
On/off switchKnown for one	Yes	Unknown — not stated by the source
Chassis typeKnown for one	Unknown — not stated by the source	Rack (2U)
Rack capacityKnown for one	Unknown — not stated by the source	2U
Power2 differ
Power consumption (typical)Differs	25 W	105 W
AC input voltageDiffers	100-240 V	100 - 240 V
AC input frequency	50 - 60 Hz	50 - 60 Hz
Power consumption (max)Known for one	Unknown — not stated by the source	38 W
Weight & dimensions4 differ
WidthDiffers	87 mm	439.7 mm
DepthDiffers	205 mm	446.2 mm
HeightDiffers	128 mm	89 mm
WeightDiffers	2.4 kg	7.66 kg
Package widthKnown for one	Unknown — not stated by the source	562 mm
Package depthKnown for one	Unknown — not stated by the source	599 mm
Package heightKnown for one	Unknown — not stated by the source	235 mm
Package weightKnown for one	Unknown — not stated by the source	10.2 kg
Operational conditions2 differ
Operating temperature (T-T)Differs	5 - 35 °C	0 - 45 °C
Operating relative humidity (H-H)Differs	20 - 80%	10 - 90%
Packaging contentidentical
Quick installation guideKnown for one	Yes	Unknown — not stated by the source

A dash means the value is not stated by the source. Unknown values are never counted for or against a product, and there is no overall score.

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