Product comparison · 2 backup storage devices

Freecom OEM DAT-40i SCSI vs Freecom OEM SCSI LTO-3 HH extern

Key differences

Interface
- OEM DAT-40i SCSI:LVD/SE Wide Ultra SCSI-2
- OEM SCSI LTO-3 HH extern:Ultra320 SCSI LVD
Internal
- OEM DAT-40i SCSI:Yes
- OEM SCSI LTO-3 HH extern:No
Data storage type
- OEM DAT-40i SCSI:DDS
- OEM SCSI LTO-3 HH extern:LTO
Native capacity
- OEM DAT-40i SCSI:20 GB
- OEM SCSI LTO-3 HH extern:400 GB
Compressed capacity
- OEM DAT-40i SCSI:40 GB
- OEM SCSI LTO-3 HH extern:800 GB
Backup rate compressed performance
- OEM DAT-40i SCSI:21.6 GB/h
- OEM SCSI LTO-3 HH extern:432 GB/h
Sustained data transfer rate (compressed)
- OEM DAT-40i SCSI:6 MB/s
- OEM SCSI LTO-3 HH extern:120 MB/s
Sustained data transfer rate (native)
- OEM DAT-40i SCSI:3 MB/s
- OEM SCSI LTO-3 HH extern:60 MB/s

Differences highlightedShow differences only

Comparison of OEM DAT-40i SCSI, OEM SCSI LTO-3 HH extern
18 specifications	A Freecom OEM DAT-40i SCSI View product	B Freecom OEM SCSI LTO-3 HH extern View product
Performance3 differ
InterfaceDiffers	LVD/SE Wide Ultra SCSI-2	Ultra320 SCSI LVD
InternalDiffers	Yes	No
Data storage typeDiffers	DDS	LTO
Logical recording formatKnown for one	ANSI/ECMA DDS-2, DDS-3, DDS-4	Unknown — not stated by the source
Mean time between failures (MTBF)Known for one	400000 h	Unknown — not stated by the source
Product colourKnown for one	Unknown — not stated by the source	Black
Storage2 differ
Native capacityDiffers	20 GB	400 GB
Compressed capacityDiffers	40 GB	800 GB
Drive device, buffer sizeKnown for one	Unknown — not stated by the source	64 MB
Data transmission3 differ
Backup rate compressed performanceDiffers	21.6 GB/h	432 GB/h
Sustained data transfer rate (compressed)Differs	6 MB/s	120 MB/s
Sustained data transfer rate (native)Differs	3 MB/s	60 MB/s
Other features1 differ
Recommended mediaDiffers	DDS-4, DDS-3, DDS-2	LTO-1, LTO-2, LTO-3

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.