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Freecom LTO OEM HH Series 
Technical Specifications 

 

 

 

LTO-2 HH Ultrium 448 

LTO-3 HH Ultrium 920 

LTO-4 HH Ultrium 1760 

LTO-5 HH Ultrium 3000 

Form Factor 

5¼-inch half-height 

5¼-inch half-height 

5¼-inch half-height 

5¼-inch half-height 

Physical

 (HxWxD) 

Internal

 

1.6 x 5.7 x 8.1 in 
(4.1 x 14.5 x 20.6 cm) 

1.6 x 5.7 x 8.1 in 
(4.1 x 14.5 x 20.6 cm) 

1.6 x 5.7 x 8.1 in 
(4.1 x 14.5 x 20.6 cm) 

1.6 x 5.7 x 8.1 in 
(4.1 x 14.5 x 20.6 cm) 

Physical

 (HxWxD)  

External

 

3 x 8.8 x 11.7 in 
(7.7 x 22.3 x 29.5 cm) 

3 x 8.8 x 11.7 in 
(7.7 x 22.3 x 29.5 cm) 

3 x 8.8 x 11.7 in 
(7.7 x 22.3 x 29.5 cm) 

3 x 8.8 x 11.7 in 
(7.7 x 22.3 x 29.5 cm) 

Physical

 (HxWxD) 

1U Rack-mount

 

1.7 x 16.88 x 25.25 in (4.32 x 
42.88 x 64.14 cm) 

1.7 x 16.88 x 25.25 in (4.32 x 
42.88 x 64.14 cm) 

1.7 x 16.88 x 25.25 in (4.32 x 
42.88 x 64.14 cm) 

1.7 x 16.88 x 25.25 in (4.32 x 
42.88 x 64.14 cm) 

Shipping

 (HxWxD)  

Internal

 

7.9 x 9.4 x 11.4 in (24 x 31 x 39 
cm) 

7.9 x 9.4 x 11.4 in (24 x 31 x 39 
cm) 

7.9 x 9.4 x 11.4 in (24 x 31 x 39 
cm) 

7.9 x 9.4 x 11.4 in (24 x 31 x 
39 cm) 

Shipping

 (HxWxD) 

External

 

9.4 x 12.2 x 15.4 in (24 x 31 x 
39 cm) 

9.4 x 12.2 x 15.4 in (24 x 31 x 
39 cm) 

9.4 x 12.2 x 15.4 in (24 x 31 x 
39 cm) 

9.4 x 12.2 x 15.4 in (24 x 31 x 
39 cm) 

Dimensions 

Shipping

 (HxWxD) 

1U Rack-mount

 

12.0 x 23.5 x 33.5 in ( 30.5 x 
59.7 x 85.1 cm) 

12.0 x 23.5 x 33.5 in ( 30.5 x 
59.7 x 85.1 cm) 

12.0 x 23.5 x 33.5 in ( 30.5 x 
59.7 x 85.1 cm) 

12.0 x 23.5 x 33.5 in ( 30.5 x 
59.7 x 85.1 cm) 

 

 

LTO-2 HH Ultrium 448 

LTO-3 HH Ultrium 920 

LTO-4 HH Ultrium 1760 

LTO-5 HH Ultrium 3000 

Out of box, Internal 

3.2 lb (1.45 kg) 

3.2 lb (1.45 kg) 

3.2 lb (1.45 kg) 

3.2 lb (1.45 kg) 

Out of box, External 

10.3 lb (4.65 kg) 

10.3 lb (4.65 kg) 

10.3 lb (4.65 kg) 

10.3 lb (4.65 kg) 

Out of box, 1U Rack-
mount 

21.0 lb (9.52 kg) 

21.0 lb (9.52 kg) 

21.0 lb (9.52 kg) 

21.0 lb (9.52 kg) 

Shipping, Internal 

5.1 lb (2.3kg) 

5.1 lb (2.3kg) 

5.1 lb (2.3kg) 

5.1 lb (2.3kg) 

Shipping, External 

11 lb (5 kg) 

11 lb (5 kg) 

11 lb (5 kg) 

11 lb (5 kg) 

Weight 

Shipping, 1U Rack-
mount 

32.9 lb (14.8 kg) 

32.9 lb (14.8 kg) 

32.9 lb (14.8 kg) 

32.9 lb (14.8 kg) 

 

 

LTO-2 HH Ultrium 448 

LTO-3 HH Ultrium 920 

LTO-4 HH Ultrium 1760 

LTO-5 HH Ultrium 3000 

Native 

200 GB 

400 GB 

800 GB 

1.5 TB 

Compressed

 

(assumes 2:1 data 
compression) 

400 GB 

800 GB 

1.6 TB 

3 TB 

Capacity 

Buffer Size 

64 MB 

64 MB 

128 MB 

256 MB 

Sustained transfer rate, 
native 

24 MB/s 

60 MB/s 

80 MB/s 

140 MB/s 

Performance 

Sustained transfer 
rate, compressed

 

48 MB/s 

120 MB/s 

160 MB/s 

280 MB/s 

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