Product comparison · 2 backup storage devices

Fujitsu ETERNUS LT20 S2 vs Fujitsu ETERNUS LT40 S2

Key differences

Form factor
- ETERNUS LT20 S2:1U
- ETERNUS LT40 S2:2U
Storage media types supported
- ETERNUS LT20 S2:LTO-3HH
- ETERNUS LT40 S2:LTO-5
Product colour
- ETERNUS LT20 S2:Black, Silver
- ETERNUS LT40 S2:Black, Grey
Number of slots (max)
- ETERNUS LT20 S2:8
- ETERNUS LT40 S2:12
Native capacity
- ETERNUS LT20 S2:400 GB
- ETERNUS LT40 S2:1.5 TB
Compressed capacity
- ETERNUS LT20 S2:800 GB
- ETERNUS LT40 S2:3 TB
Maximum supported storage capacity
- ETERNUS LT20 S2:6.4 TB
- ETERNUS LT40 S2:72 TB
Drive device, buffer size
- ETERNUS LT20 S2:64 MB
- ETERNUS LT40 S2:256 MB

Differences highlightedShow differences only

Comparison of ETERNUS LT20 S2, ETERNUS LT40 S2
22 specifications	A Fujitsu ETERNUS LT20 S2 View product	B Fujitsu ETERNUS LT40 S2 View product
Performance5 differ
Form factorDiffers	1U	2U
Storage media types supportedDiffers	LTO-3HH	LTO-5
Product colourDiffers	Black, Silver	Black, Grey
Number of slots (max)Differs	8	12
CertificationDiffers	UL, CSA, EN, GOST-R, CNS, FCC, ICES, VCCI, RoHS, WEEE	UL, CSA, EN, IEC, GOST-R, CNS, FCC, ICES, VCCI, RoHS, WEEE
Storage4 differ
Native capacityDiffers	400 GB	1.5 TB
Compressed capacityDiffers	800 GB	3 TB
Maximum supported storage capacityDiffers	6.4 TB	72 TB
Drive device, buffer sizeDiffers	64 MB	256 MB
Data transmission3 differ
Burst transfer rateDiffers	60 MB/s	140 MB/s
Data transfer rateDiffers	3 Gbit/s	8 Gbit/s
Sustained data transfer rate (compressed)Differs	120 MB/s	280 MB/s
Weight & dimensions1 differ
WeightDiffers	14 kg	16.5 kg
Other features1 differ
Dimensions (WxDxH)Differs	447.5 x 805 x 43.75 mm	447.5 x 810 x 87.6 mm

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