Product comparison · 2 backup storage devices

Fujitsu RDX 5.25" 1000GB vs HP LTO-6 Ultrium 6250

10specifications compared
7differ
3identical
18known for one product only

Key differences

Media type
- RDX 5.25" 1000GB:RDX cartridge
- LTO-6 Ultrium 6250:Tape Cartridge
Interface
- RDX 5.25" 1000GB:USB 3.2 Gen 1 (3.1 Gen 1)
- LTO-6 Ultrium 6250:Serial Attached SCSI (SAS)
Data storage type
- RDX 5.25" 1000GB:RDX
- LTO-6 Ultrium 6250:LTO
Native capacity
- RDX 5.25" 1000GB:1 TB
- LTO-6 Ultrium 6250:2.5 TB
Width
- RDX 5.25" 1000GB:146 mm
- LTO-6 Ultrium 6250:145 mm
Depth
- RDX 5.25" 1000GB:171.9 mm
- LTO-6 Ultrium 6250:206 mm
Height
- RDX 5.25" 1000GB:41.4 mm
- LTO-6 Ultrium 6250:41 mm

Side by side

Differences highlightedShow differences only

Comparison of RDX 5.25" 1000GB, LTO-6 Ultrium 6250
28 specifications	A Fujitsu RDX 5.25" 1000GB View product	B HP LTO-6 Ultrium 6250 View product
Performance3 differ
Product type	Storage drive	Storage drive
Media typeDiffers	RDX cartridge	Tape Cartridge
InterfaceDiffers	USB 3.2 Gen 1 (3.1 Gen 1)	Serial Attached SCSI (SAS)
Internal	Yes	Yes
Data storage typeDiffers	RDX	LTO
Compression ratioKnown for one	Unknown — not stated by the source	2.5:1
Form factorKnown for one	Unknown — not stated by the source	5.25" Half-height
Product colour	Black	Black
Security algorithmsKnown for one	Unknown — not stated by the source	256-bit AES
Logical recording formatKnown for one	RDX	Unknown — not stated by the source
Storage1 differ
Native capacityDiffers	1 TB	2.5 TB
Compressed capacityKnown for one	Unknown — not stated by the source	6.25 TB
Drive device, buffer sizeKnown for one	Unknown — not stated by the source	512 MB
Data transmissionidentical
Compressed sustained transfer rateKnown for one	Unknown — not stated by the source	1440 MB/h
Data transfer rateKnown for one	Unknown — not stated by the source	6 Gbit/s
Native sustained transfer rateKnown for one	Unknown — not stated by the source	576 MB/h
Sustained data transfer rate (compressed)Known for one	Unknown — not stated by the source	400 MB/s
Sustained data transfer rate (native)Known for one	Unknown — not stated by the source	160 MB/s
Weight & dimensions3 differ
WidthDiffers	146 mm	145 mm
DepthDiffers	171.9 mm	206 mm
HeightDiffers	41.4 mm	41 mm
WeightKnown for one	Unknown — not stated by the source	1.45 kg
Size (imperial)Known for one	13.3 cm (5.25")	Unknown — not stated by the source
Other featuresidentical
WORM capabilityKnown for one	Unknown — not stated by the source	Yes
Operational conditionsidentical
Operating temperature (T-T)Known for one	10 - 40 °C	Unknown — not stated by the source
Storage temperature (T-T)Known for one	-40 - 65 °C	Unknown — not stated by the source
Operating relative humidity (H-H)Known for one	20 - 80%	Unknown — not stated by the source
Storage relative humidity (H-H)Known for one	10 - 90%	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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