Product comparison · 2 backup storage devices

HP StorageWorks DAT320ES Storage drive Tape Cartridge DAT vs HP LTO-4 Storage auto loader & library Tape Cartridge

6specifications compared
4differ
2identical
17known for one product only

Key differences

Form factor
- StorageWorks DAT320ES Storage drive Tape Cartridge DAT:5.25" Half-height
- LTO-4 Storage auto loader & library Tape Cartridge:Desktop
Native capacity
- StorageWorks DAT320ES Storage drive Tape Cartridge DAT:160 GB
- LTO-4 Storage auto loader & library Tape Cartridge:800 GB
Compressed capacity
- StorageWorks DAT320ES Storage drive Tape Cartridge DAT:320 GB
- LTO-4 Storage auto loader & library Tape Cartridge:1.6 TB

Side by side

Differences highlightedShow differences only

Comparison of DAT320ES, LTO-4
23 specifications	A HP StorageWorks DAT320ES Storage drive Tape Cartridge DAT Model DAT320ES View product	B HP LTO-4 Storage auto loader & library Tape Cartridge Model LTO-4 View product
Performance2 differ
Product typeDiffers	Storage drive	Storage auto loader & library
Media type	Tape Cartridge	Tape Cartridge
InterfaceKnown for one	USB 2.0	Unknown — not stated by the source
InternalKnown for one	No	Unknown — not stated by the source
Data storage typeKnown for one	DAT	Unknown — not stated by the source
Compression ratioKnown for one	2:1	Unknown — not stated by the source
Form factorDiffers	5.25" Half-height	Desktop
Product colour	Black	Black
Standard interfacesKnown for one	Unknown — not stated by the source	Ultra 320 SCSI
Storage media types supportedKnown for one	Unknown — not stated by the source	LTO-4
Mean time between failures (MTBF)Known for one	Unknown — not stated by the source	250000 h
Security algorithmsKnown for one	Unknown — not stated by the source	256-bit AES
Storage2 differ
Native capacityDiffers	160 GB	800 GB
Compressed capacityDiffers	320 GB	1.6 TB
Total storage capacityKnown for one	320 GB	Unknown — not stated by the source
Drive device, buffer sizeKnown for one	64 MB	Unknown — not stated by the source
Maximum supported storage capacityKnown for one	Unknown — not stated by the source	1.6 TB
Weight & dimensionsidentical
Size (imperial)Known for one	13.3 cm (5.25")	Unknown — not stated by the source
WeightKnown for one	2 kg	Unknown — not stated by the source
Other featuresidentical
Dimensions (WxDxH)Known for one	812.8 x 711.2 x 571.5 mm	Unknown — not stated by the source
Buffer sizeKnown for one	Unknown — not stated by the source	128 KB
Data transmissionidentical
Burst transfer rateKnown for one	Unknown — not stated by the source	320 MB/s
Sustained data transfer rate (compressed)Known for one	Unknown — not stated by the source	240 MB/s

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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