Product comparison · 2 backup storage devices

HP LTO-6 Ultrium 6250 vs HP RDX USB 3.0 Gen8 DL Server Module Docking Station

Key differences

Media type
- LTO-6 Ultrium 6250:Tape Cartridge
- RDX USB 3.0 Gen8 DL Server Module Docking Station:RDX cartridge
Interface
- LTO-6 Ultrium 6250:Serial Attached SCSI (SAS)
- RDX USB 3.0 Gen8 DL Server Module Docking Station:USB 3.2 Gen 1 (3.1 Gen 1)
Data storage type
- LTO-6 Ultrium 6250:LTO
- RDX USB 3.0 Gen8 DL Server Module Docking Station:RDX
Compression ratio
- LTO-6 Ultrium 6250:2.5:1
- RDX USB 3.0 Gen8 DL Server Module Docking Station:2:1
Native capacity
- LTO-6 Ultrium 6250:2.5 TB
- RDX USB 3.0 Gen8 DL Server Module Docking Station:2 TB
Compressed capacity
- LTO-6 Ultrium 6250:6.25 TB
- RDX USB 3.0 Gen8 DL Server Module Docking Station:4 TB
Width
- LTO-6 Ultrium 6250:145 mm
- RDX USB 3.0 Gen8 DL Server Module Docking Station:234 mm
Depth
- LTO-6 Ultrium 6250:206 mm
- RDX USB 3.0 Gen8 DL Server Module Docking Station:278 mm

Differences highlightedShow differences only

Comparison of LTO-6 Ultrium 6250, RDX USB 3.0 Gen8 DL Server Module Docking Station
22 specifications	A HP LTO-6 Ultrium 6250 View product	B HP RDX USB 3.0 Gen8 DL Server Module Docking Station View product
Performance4 differ
Product type	Storage drive	Storage drive
Media typeDiffers	Tape Cartridge	RDX cartridge
InterfaceDiffers	Serial Attached SCSI (SAS)	USB 3.2 Gen 1 (3.1 Gen 1)
Internal	Yes	Yes
Data storage typeDiffers	LTO	RDX
Compression ratioDiffers	2.5:1	2:1
Form factorKnown for one	5.25" Half-height	Unknown — not stated by the source
Product colourKnown for one	Black	Unknown — not stated by the source
Security algorithmsKnown for one	256-bit AES	Unknown — not stated by the source
Storage2 differ
Native capacityDiffers	2.5 TB	2 TB
Compressed capacityDiffers	6.25 TB	4 TB
Drive device, buffer sizeKnown for one	512 MB	Unknown — not stated by the source
Data transmissionidentical
Compressed sustained transfer rateKnown for one	1440 MB/h	Unknown — not stated by the source
Data transfer rateKnown for one	6 Gbit/s	Unknown — not stated by the source
Native sustained transfer rateKnown for one	576 MB/h	Unknown — not stated by the source
Sustained data transfer rate (compressed)Known for one	400 MB/s	Unknown — not stated by the source
Sustained data transfer rate (native)Known for one	160 MB/s	Unknown — not stated by the source
Weight & dimensions4 differ
WidthDiffers	145 mm	234 mm
DepthDiffers	206 mm	278 mm
HeightDiffers	41 mm	152 mm
WeightDiffers	1.45 kg	2.5 kg
Other featuresidentical
WORM capabilityKnown 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.