HP Ultrium 920 SAS Internal Tape Drive vs HP Ultrium SB920c Tape Blade

Comparison of Ultrium 920 SAS Internal Tape Drive, Ultrium SB920c Tape Blade

25 specifications	A HP Ultrium 920 SAS Internal Tape DriveView product	B HP Ultrium SB920c Tape BladeView product
Performanceidentical
Product type	Storage drive	Storage drive
Media type	Tape Cartridge	Tape Cartridge
Internal	Yes	Yes
Data storage type	LTO	LTO
Compression ratio	2:1	2:1
Mean time between failures (MTBF)	250000 h	250000 h
Compatible productsKnown for one	—Unknown — not stated by the source	BladeSystem c-Class
InterfaceKnown for one	Serial Attached SCSI (SAS)	—Unknown — not stated by the source
Form factorKnown for one	5.25" Half-height	—Unknown — not stated by the source
Product colourKnown for one	Black	—Unknown — not stated by the source
Storageidentical
Native capacity	400 GB	400 GB
Compressed capacity	800 GB	800 GB
Drive device, buffer size	64 MB	64 MB
Media types supportedKnown for one	—Unknown — not stated by the source	LTO Ultrium 1, LTO Ultrium 2, LTO Ultrium 3
Data transmissionidentical
Burst transfer rateKnown for one	—Unknown — not stated by the source	300 MB/s
Data transfer rate	432 Gbit/s	432 Gbit/s
Sustained data transfer rate (compressed)	120 MB/s	120 MB/s
Sustained data transfer rate (native)	60 MB/s	60 MB/s
Weight & dimensionsidentical
WeightKnown for one	—Unknown — not stated by the source	7.26 kg
WidthKnown for one	145 mm	—Unknown — not stated by the source
DepthKnown for one	206 mm	—Unknown — not stated by the source
HeightKnown for one	41 mm	—Unknown — not stated by the source
Other featuresidentical
Dimensions (WxDxH)Known for one	—Unknown — not stated by the source	723.9 x 336.6 x 215.9 mm
Host interfaceKnown for one	—Unknown — not stated by the source	3 Gb/sec SAS
WORM capabilityKnown for one	—Unknown — not stated by the source	Yes

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.