Product comparison · 2 nas & storage servers

Buffalo LinkStation 420 6TB vs Buffalo LinkStation 421 + 2 x ST3000V

45specifications compared
10differ
35identical
19known for one product only

Key differences

Storage drive interface
- LinkStation 420 6TB:Serial ATA
- LinkStation 421 + 2 x ST3000V:Serial ATA II
Maximum supported storage capacity
- LinkStation 420 6TB:8 TB
- LinkStation 421 + 2 x ST3000V:8000 TB
Processor family
- LinkStation 420 6TB:Marvell
- LinkStation 421 + 2 x ST3000V:ARM
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity
- LinkStation 420 6TB:0
- LinkStation 421 + 2 x ST3000V:1
Product colour
- LinkStation 420 6TB:Black
- LinkStation 421 + 2 x ST3000V:Grey
Power consumption (typical)
- LinkStation 420 6TB:26 W
- LinkStation 421 + 2 x ST3000V:48 W
Weight
- LinkStation 420 6TB:2.4 kg
- LinkStation 421 + 2 x ST3000V:800 g

Side by side

Differences highlightedShow differences only

Comparison of LinkStation 420 6TB, LinkStation 421 + 2 x ST3000V
64 specifications	A Buffalo LinkStation 420 6TB View product	B Buffalo LinkStation 421 + 2 x ST3000V View product
Storage2 differ
Storage drive interfaceDiffers	Serial ATA	Serial ATA II
Storage drive sizeKnown for one	Unknown — not stated by the source	3.5"
Maximum supported storage capacityDiffers	8 TB	8000 TB
Hot-swap drive baysKnown for one	No	Unknown — not stated by the source
Processor1 differ
Processor familyDiffers	Marvell	ARM
Number of processors installedKnown for one	1	Unknown — not stated by the source
Network1 differ
Supported network protocolsDiffers	TCP/IP, SMB/CIFS, FTP, HTTP/HTTPS, AFP	TCP/IP
BandwidthKnown for one	0.1 Gbit/s	Unknown — not stated by the source
Ports & interfaces1 differ
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers	0	1
Design1 differ
Product colourDiffers	Black	Grey
Built-in displayKnown for one	Unknown — not stated by the source	No
Cable lock slotKnown for one	Unknown — not stated by the source	Yes
Performanceidentical
Device classKnown for one	Unknown — not stated by the source	Home & Home Office
Built-in optical driveKnown for one	Unknown — not stated by the source	No
Card reader integratedKnown for one	Unknown — not stated by the source	No
On/off switchKnown for one	Unknown — not stated by the source	Yes
Software2 differ
Windows operating systems supportedDiffers	Yes	Windows 7 Home Basic, Windows 7 Home Basic x64, Windows 7 Home Premium, Windows 7 Home Premium x64, Windows 7 Professional, Windows 7 Professional x64, Windows 7 Starter, Windows 7 Starter x64, Windows 7 Ultimate, Windows 7 Ultimate x64, Windows 8, Windows 8 Enterprise, Windows 8 Enterprise x64, Win
Mac operating systems supportedDiffers	Yes	Mac OS X 10.4 Tiger, Mac OS X 10.5 Leopard, Mac OS X 10.6 Snow Leopard, Mac OS X 10.7 Lion, Mac OS X 10.8 Mountain Lion, Mac OS X 10.9 Mavericks
Server operating systems supportedKnown for one	Unknown — not stated by the source	Windows Server 2008, Windows Server 2008 R2, Windows Server 2012, Windows Server 2012 R2
Bundled softwareKnown for one	TimeMachine	Unknown — not stated by the source
Power1 differ
Power supply locationKnown for one	Unknown — not stated by the source	External
Power consumption (typical)Differs	26 W	48 W
Power supply unit (PSU) capacityKnown for one	48 W	Unknown — not stated by the source
Redundant power supply (RPS) supportKnown for one	No	Unknown — not stated by the source
Weight & dimensions1 differ
WeightDiffers	2.4 kg	800 g
Packaging contentidentical
External power adapterKnown for one	Unknown — not stated by the source	Yes
Cables includedKnown for one	Unknown — not stated by the source	AC
Quick start guideKnown for one	Unknown — not stated by the source	Yes
Other featuresidentical
Digital Living Network Alliance (DLNA) certifiedKnown 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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