SymplyPRO LTO-9 tape drives, libraries and media

LTO-9 stores up to 18 TB native (45 TB compressed) per cartridge at up to 400 MB/s, and reads and writes LTO-8 tapes. SymplyPRO LTO-9 tape drives are available as compact desktop units, 1U and 2U rackmount systems and automated tape libraries, with Thunderbolt / USB4, SAS, Ethernet or Fibre Channel connectivity.

LTO-9 at a glance

	LTO-9
Native capacity	18 TB
Compressed capacity (2.5:1)	45 TB
Native transfer rate	Up to 400 MB/s (full-height), 300 MB/s (half-height)
Drive types	Half-height and full-height
Backward compatibility	Reads and writes LTO-8 media; does not read LTO-7
New media initialization	One-time, on first load
Encryption	AES-256 hardware encryption
WORM	Supported
LTFS	Supported

Choose your SymplyPRO LTO-9 tape drive

Desktop LTO-9 tape drives

Model	Drives	Connectivity
SymplyPRO Thunderbolt / USB4	1 half-height	Thunderbolt / USB4, plus SAS	Learn more
SymplyPRO XTH Thunderbolt / USB4	1 or 2 half-height	Thunderbolt / USB4, plus SAS	Learn more
SymplyPRO XTF Thunderbolt / USB4	1 full-height	Thunderbolt / USB4, plus SAS	Learn more
SymplyPRO DIT Thunderbolt / USB4	1 or 2, with SSD reader bays	Thunderbolt / USB4, plus SAS	Learn more
SymplyPRO SAS / XTH SAS / XTF SAS	1 or 2 half-height, or 1 full-height	SAS (requires a SAS HBA)	Learn more
SymplyPRO XTH Ethernet / XTF Ethernet	1 or 2 half-height, or 1 full-height	10GbE iSCSI	Learn more

Rackmount LTO-9 tape drives

Model	Drives	Connectivity
SymplyPRO 1U Thunderbolt / USB4, SAS, Ethernet	1 or 2 half-height	Thunderbolt / USB4, SAS, or 10GbE iSCSI	Learn more
SymplyPRO 2U Thunderbolt / USB4, SAS, Ethernet	1 or 2 full-height	Thunderbolt / USB4, SAS, or 10GbE iSCSI	Learn more

LTO-9 tape libraries

Model	Format	LTO-9 drives
SymplyPRO XTL 8	1U, 8 slots	1 half-height	Learn more
SymplyPRO XTL 24	2U, 24 slots	1 or 2 half-height	Learn more
SymplyPRO XTL 40	3U modular, up to 640 slots	Half-height or full-height	Learn more
SymplyPRO XTL 80	6U modular, up to 560 slots	Half-height or full-height	Learn more
MATTERHORN	42U / 48U enterprise library	Up to 24 full-height	Learn more

Every standalone SymplyPRO LTO-9 tape drive includes Hedge Canister or YoYotta archive software, plus SymplyATOM2 for diagnostics and firmware updates, and a 3-year warranty.

Where to buy: in North America, order SymplyPRO LTO-9 drives and libraries online from the Symply Store. Everywhere else, find a local reseller on our Where to Buy page.

LTO-9 media initialization

LTO-9 introduced a one-time media initialization (sometimes called optimization or characterization). The first time a new LTO-9 cartridge is loaded, the drive calibrates it for LTO-9’s higher track density, which improves reliability for the life of the tape.

It happens once per cartridge—after that, the tape loads normally.
It usually takes around 20 minutes, though some cartridges can take longer.
Plan ahead for big jobs: initialize new tapes before a large backup or offload so they’re ready when you need them. Tape libraries can do this in the background.
LTO-8 media used in an LTO-9 drive doesn’t need initialization.

Why choose LTO-9?

Works with your LTO-8 archive: read and write LTO-8 tapes in the same drive.
Compact half-height options: including the smallest single-drive desktop units, and 1U rackmounts with two drives.
A mature, proven format: widely supported by archive and backup software, with lower drive and media costs than the newest generation.
Mix generations in one system: dual-drive XTH and 1U models can combine LTO-9 with an LTO-8 or LTO-7 drive (depending on model), so older archives stay accessible.

LTO-9 or LTO-10?

LTO-9 and LTO-10 are both current generations. LTO-10 holds 30 or 40 TB per cartridge, but it’s full-height only, costs more today, and can’t read LTO-9 or older tapes. LTO-9 offers LTO-8 compatibility, compact half-height drives and lower costs. Which fits best depends on your archive size, existing tapes and budget—see the full comparison on our LTO-10 tape drives page.