Product comparison · 2 backup storage devices

HP AH164A Storage auto loader & library Tape Cartridge vs HP AH558A Storage auto loader & library Tape Cartridge

Key differences

Standard interfaces
- AH164A Storage auto loader & library Tape Cartridge:Ultra 160 SCSI
- AH558A Storage auto loader & library Tape Cartridge:Serial Attached SCSI (SAS)
Storage media types supported
- AH164A Storage auto loader & library Tape Cartridge:LTO-2
- AH558A Storage auto loader & library Tape Cartridge:LTO-3
Native capacity
- AH164A Storage auto loader & library Tape Cartridge:1.6 TB
- AH558A Storage auto loader & library Tape Cartridge:3.2 TB
Compressed capacity
- AH164A Storage auto loader & library Tape Cartridge:3.2 TB
- AH558A Storage auto loader & library Tape Cartridge:6.4 TB

Differences highlightedShow differences only

Comparison of AH164A, AH558A
11 specifications	A HP AH164A Storage auto loader & library Tape Cartridge Model AH164A View product	B HP AH558A Storage auto loader & library Tape Cartridge Model AH558A View product
Performance2 differ
Product type	Storage auto loader & library	Storage auto loader & library
Media type	Tape Cartridge	Tape Cartridge
Form factor	1U	1U
Standard interfacesDiffers	Ultra 160 SCSI	Serial Attached SCSI (SAS)
Storage media types supportedDiffers	LTO-2	LTO-3
Number of slots (max)	8	8
Security algorithms	Not supported	Not supported
Mean time between failures (MTBF)Known for one	Unknown — not stated by the source	100000 h
Storage2 differ
Native capacityDiffers	1.6 TB	3.2 TB
Compressed capacityDiffers	3.2 TB	6.4 TB
Other featuresidentical
Data compressionKnown for one	2:1	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.