IBM 3628L4X User Manual
IBM Half-high LTO Generation 4 SAS Tape Drive
4
Table 2. Features and benefits (Part 2)
Feature
Benefits
WORM support
WORM capable cartridges give you the option of storing vital data in a
non-erasable, non-rewritable format, to meet strict regulatory requirements for
data retention
Helps address evolving regulatory initiatives
data retention
Helps address evolving regulatory initiatives
Flexible mounting alternatives
Half height external SAS tape drive for a low cost and space efficient table top
or shelf unit alternative to mounting a drive internally in your server.
5.25 in. half high internal SAS tape drive designed for internal installation in
5.25 in. half high internal SAS tape drive designed for internal installation in
IBM System x tower servers or external IBM 1U rackmount enclosures
Specifications
The specifications for the Half-high LTO Generation 4 SAS tape drive are (when using Ultrium 4
cartridges):
6 Gbps SAS host interface
Up to 800 GB native capacity and up to 1600 GB in compressed mode (2:1 compression ratio)
120 MBps native back-up rate and up to 240 MBps in compressed mode (2:1 compression ratio)
Support for WORM (write once read many) on WORM cartridge types
Burst data-transfer rate of 300 MBps for the SAS interface
256 MB read-and-write cache
Read/Write compatibility with LTO Generation 3 cartridges. Read compatibility with LTO 2 and 3
cartridges
Support for encryption of data on Ultrium 4 cartridges
Support for encryption of data on Ultrium 4 cartridges
Key prerequisites
The IBM Half-high LTO Generation 4 SAS Tape Drive prerequisites are:
SAS controller
One or more LTO Generation 3 or LTO Generation 4 data cartridge (not supplied with drive option)
For the internal drive, an available half-height drive bay or supported external tape enclosure.
Physical specifications
The physical specifications of the IBM Internal Half-high LTO Generation 4 SAS Tape Drive are:
Height: 43 mm (1.75 in.)
Width: 149 mm (5.85 in.)
Depth: 210 mm (8.40 in.)
Weight: 1.5 kg (3 lb. 5 oz.)
The IBM External Half-high LTO Generation 4 SAS Tape Drive has the following physical specifications:
Height: 58 mm (2.3 in)
Width: 213 mm (8.4 in)
Depth: 332 mm (13.1 in)
Weight: 4.3 kg (9.5 lb)