Product comparison · 2 backup storage devices

Fujitsu Eternus LT20, LTO-4 HH vs Fujitsu ETERNUS LT40 S2

17specifications compared
12differ
5identical
10known for one product only

Key differences

Form factor
- Eternus LT20, LTO-4 HH:1U
- ETERNUS LT40 S2:2U
Storage media types supported
- Eternus LT20, LTO-4 HH:LTO-4HH
- ETERNUS LT40 S2:LTO-5
Product colour
- Eternus LT20, LTO-4 HH:Black
- ETERNUS LT40 S2:Black, Grey
Number of slots (max)
- Eternus LT20, LTO-4 HH:4
- ETERNUS LT40 S2:12
Native capacity
- Eternus LT20, LTO-4 HH:6.4 TB
- ETERNUS LT40 S2:1.5 TB
Compressed capacity
- Eternus LT20, LTO-4 HH:12.8 TB
- ETERNUS LT40 S2:3 TB
Drive device, buffer size
- Eternus LT20, LTO-4 HH:128 MB
- ETERNUS LT40 S2:256 MB
Data transfer rate
- Eternus LT20, LTO-4 HH:3 Gbit/s
- ETERNUS LT40 S2:8 Gbit/s

Side by side

Differences highlightedShow differences only

Comparison of Eternus LT20, LTO-4 HH, ETERNUS LT40 S2
27 specifications	A Fujitsu Eternus LT20, LTO-4 HH View product	B Fujitsu ETERNUS LT40 S2 View product
Performance5 differ
Product type	Storage auto loader & library	Storage auto loader & library
Media type	Tape Cartridge	Tape Cartridge
Form factorDiffers	1U	2U
Standard interfaces	Serial Attached SCSI (SAS)	Serial Attached SCSI (SAS)
Storage media types supportedDiffers	LTO-4HH	LTO-5
Product colourDiffers	Black	Black, Grey
Web-based managementKnown for one	Yes	Unknown — not stated by the source
Number of slots (max)Differs	4	12
CertificationDiffers	CE, RoHS.	UL, CSA, EN, IEC, GOST-R, CNS, FCC, ICES, VCCI, RoHS, WEEE
Storage3 differ
Native capacityDiffers	6.4 TB	1.5 TB
Compressed capacityDiffers	12.8 TB	3 TB
Drive device, buffer sizeDiffers	128 MB	256 MB
Maximum supported storage capacityKnown for one	Unknown — not stated by the source	72 TB
Data transmission1 differ
Backup rate compressed performanceKnown for one	576 GB/h	Unknown — not stated by the source
Backup rate native performanceKnown for one	288 GB/h	Unknown — not stated by the source
Data transfer rateDiffers	3 Gbit/s	8 Gbit/s
Burst transfer rateKnown for one	Unknown — not stated by the source	140 MB/s
Sustained data transfer rate (compressed)Known for one	Unknown — not stated by the source	280 MB/s
Power1 differ
Power requirementsDiffers	85 - 264 V	85 - 264 V, 50 - 60 Hz
Power supply typeKnown for one	Unknown — not stated by the source	AC/DC
Power consumption (typical)Known for one	Unknown — not stated by the source	59 W
Weight & dimensions1 differ
WeightDiffers	14 kg	16.5 kg
Operational conditionsidentical
Operating temperature (T-T)	10 - 35 °C	10 - 35 °C
Operating relative humidity (H-H)	20 - 80%	20 - 80%
Other features1 differ
Dimensions (WxDxH)Differs	447.5 x 805 x 43.75 mm	447.5 x 810 x 87.6 mm
Networking featuresKnown for one	Fast Ethernet	Unknown — not stated by the source
Serial interface typeKnown for one	RS-232	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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