Digistor Self-Powered Blu-ray Writer DIG-78102 USB 2.0 Review

Author

MegaDETH
Retired Senior Moderator and Senior Reviewer
Article posted 10 Sep 09 21:51

Features & Writing Technology

Test machine


For this review we will be using two computers with the following configuration:

Review PC #1:

· Motherboard: Asus P5K Deluxe WI-FI/AP

· Processor: Intel Core 2 Duo E6600 Conroe @3.70 GHz

· Memory: 4x 2GB A-DATA PC2-6400 DDR2

· Video: ATI  2600HD Pro HDMI

· Display: Hanns·G HG-216DPO 21.6″ 5ms Widescreen HDMI LCD

· Sound: SoundMAX Digital HD Audio (Onboard)

· Hard Disks: 2x 320GB – 1x 750GB Seagate SATA-II

· Operating System: Windows Vista Ultimate x64 SP1 is installed on this machine.

Review PC #2:

· Motherboard: Gigabyte GA-EX58-UD5

· Processor: Intel i7 920 @ 4.0GHz

· Memory: 3X2GB G-Skill DDR3

· Video: eVGA GTX 260

· Display: 24″ Acer HDMI LCD

· Sound: Realtek ALC889A HDAudio (Onboard)

· Hard Disks: Seagate SATA II 320GB

· Operating System: Windows Vista Ultimate x64 SP1 is installed on this machine.

Software:

We will be using the following software in this review:

  • Nero 8.1.1.0 Ultra Edition Enhanced
  • Nero CD/DVD Speed
  • Nero InfoTool 5.1.0.0
  • DVDINFOPro HD
  • K-Probe v2.5.2
  • Exact Audio Copy V0.95 beta 4
  • DVDFab 6.0.1.0

Editors note: During all of our testing we will be using the Digistor DIG-78102 with the “Single” USB cable to gauge how the drives integrated Li-Polymer battery performs.

Installation and Supported Features:


The installation was flawless; we plugged in the drive using the supplied USB cable and the drive was instantly recognized and ready for use.

Here is the Nero InfoTool output for the drive and its supported features:

Here is the DVDINFOPro HD output for the drive and its supported features:

DVDInfoPro HD readout

BD Advisor showing Blu-Ray compatibility

CD-DVD Speed reports the burst rate of 27 MB/s:

Disc Writing Technology:


Now let’s take a closer look at the writing technology of the Digistor DIG-78102:

8x CD-Recordable:

The Digistor DIG-78102 uses CLV (Constant Linear Velocity), to write at its maximum speed of 8.01X, this gives an average speed of 8.01X.

8x CD-Rewritable:

The Digistor DIG-78102 uses CLV (Constant Linear Velocity) to write CD-RW media at its maximum speed of 8.01X, this gives an average speed of 8.01X.

8X DVD+R writing speed:

The Digistor DIG-78102 uses Z-CLV (Zone-Constant Linear Velocity) to write DVD+R at the maximum supported speed of 8X. This gives an average write speed of 5.36X and a writing time of 12 minutes 09 seconds.

8X DVD-R Writing speed:

The Digistor DIG-78102 uses Z-CLV (Zone-Constant Linear Velocity) to write DVD-R at the maximum supported speed of 8X. This gives an average write speed of 5.35X and a writing time of 12 minutes 47 seconds.

For comparison we have made the following table:

DVD Disc Writing

Supported Write Speed

Write Strategy

Start Write Speed

End Write Speed

Average Write Speed

Write Time Full 4.38Gb

Sony DRX-S50U

8x +R 8x –R

CAV CAV

3.38x 3.38x

8.09x 8.09x

5.94x 5.94x

11m:08s 11m:20s

Lite-On SSM-85H5S

8x +R 8x –R

Z-CLV Z-CLV

2.57x 2.02x

8.09x 8.10x

5.67x 5.66x

14m:01s 12m:49s

Samsung SE-T084L

8x +R 8x –R

P-CAV P-CAV

3.42x 3.43x

8.02x 8.02x

6.01x 6.01x

10m:59s 11m:38s

Sony DRX-S70U

8x +R 8x –R

CAV CAV

2.48x 2.07x

8.26x 8.27x

5.27x 5.24x

13m:09s 14m:04s

LG GSA-E50L

8x +R 8x –R

CAV CAV

3.40x 3.42x

8.16x 8.20x

6.02x 6.02x

11m:22s 11m:25s

Digistor DIG-78102

8x +R 8x –R

Z-CLV Z-CLV

2.40x 2.00x

7.92x 8.01x

5.36x 5.39x

12m:09s 12m:47s

As you can see from the graph, our Digistor DIG-78102 posts good writing times for both DVD+R and DVD-R.

4X DVD+RW writing speed:

The Digistor DIG-78102 uses Z-CLV (Zone-Constant Linear Velocity) to write DVD+RW at 4X. The average speed is 3.79X and total writing time is 15:22 minutes.

For comparison we have made the following table:

DVD+RW Drive

Writing Speed

Average Speed

Writing Time

Sony DRX-S50U

8x Z-CLV

5.21x

12m:09s

Lite-On SSM-85H5S

8x Z-CLV

5.67x

11m:09s

Samsung SE-T084L

8x Z-CLV

5.03x

13m:28x

Sony DRX-S70U

8x Z-CLV

5.21x

13m:26s

LG GSA-E50L

8x Z-CLV

5.34x

12m:37s

Digistor DIG-78102

4x Z-CLV

3.79x

15m:22s

As you can see from our graph the Digistor DIG-78102 does perform quite well even though the maximum writing speed is only 4x.

4X DVD-RW writing speed:

The Digistor DIG-78102 uses Z-CLV (Zone-Constant Linear Velocity) to write DVD-RW at 4X. The average speed is 3.75X and total writing time is 16:48 minutes.

For comparison we have made the following table:

DVD-RW Drive

Writing Speed

Average Speed

Writing Time

Sony DRX-S50U

6x Z-CLV

5.07x

13m:15s

Lite-On SSM-85H5S

6x Z-CLV

5.33x

12m:46s

Samsung SE-T084L

6x Z-CLV

4.83x

14m:50x

Sony DRX-S70U

6x CLV

4.94x

14m:23s

LG GSA-E50L

6x Z-CLV

5.16x

13m:35s

Digistor DIG-78102

4x Z-CLV

3.75x

16m:48s

As you can see from our graph the Digistor DIG-78102 does perform quite well even though the maximum writing speed is only 4x.

2X DVD+R DL writing speed:

The Digistor DIG-78102 supports 2.4x writing speed on DVD+R DL media.

The Digistor DIG-78102 uses CLV (Constant Linear Velocity) to write DVD+R DL media at 2.4X which gives an average write speed of 2.38X and a total write time of 44 minutes and 30 seconds.

2X DVD-R DL writing speed:

The Digistor DIG-78102 supports 2.0X writing speed on DVD-R DL media.

The Digistor DIG-78102 uses CLV, (Constant Linear Velocity) to write DVD-R DL media at 2.0X. The average speed is 1.99x and the total writing time is 53 minutes and 25 seconds

For comparison we have made the following table:

DVD DL Drive

Size

Writing Speed

Writing Time

Book Type

Sony DRX-S50U

8152MB

DVD+R DL 4x DVD-R DL 4x

29m:37s 31m:16s

DVD-ROM DVD-R

Lite-On SSM-85H5S

8152MB

DVD+R DL 4x DVD-R DL 4x

29m:02s 30m:58s

DVD-ROM DVD-R

Samsung SE-T084L

8152MB

DVD+R DL 6x DVD-R DL 4x

27m:42s 34m:56s

DVD-ROM DVD-R

Sony DRX-S50U

8152MB

DVD+R DL 4x DVD-R DL 4x

29m:42s 31m:44s

DVD-ROM DVD-R

LG GSA-E50L

8152MB

DVD+R DL 6x DVD-R DL 4x

27m:35s 33m:s35

DVD-ROM DVD-R

Digistor DIG-78102

8152MB

DVD+R DL 2.4x DVD-R DL 2.0x

44m:30s 53m:s25

DVD-ROM DVD-R

As you can see from our chart above the Digistor DIG-78102 performs quite a bit slower than the competition.

DVD-RAM

The specifications for the Digistor DIG-78102 state that the drive is capable of writing DVD-RAM at 5X.  Let’s take a look at the write strategy for this media.

5X DVD-RAM Writing

The Digistor DIG-78102 uses Z-CLV (Zone-Constant Linear Velocity) to write at is maximum speed of 5X.  This gives an average speed of 4.50X and a total writing time of 14 minutes and 12 seconds.

For comparison we have made the following table:

DVD-RAM Drive

Writing Speed

Average Speed

Writing Time

Sony DRX-S50U

5x Z-CLV

4.05x

14m:36s

Lite-On SSM-85H5S

5x Z-CLV

4.15x

14m:41s

Samsung SE-T084L

5x P-CAV

4.64x

12m:06s

Sony DRX-S70U

5x Z-CLV

4.06x

14m:35s

LG GSA-E50L

5x P-CAV

4.50x

12m:40s

Digistor DIG-78102

5x Z-CLV

4.17x

14m:12s

As you can see from our chart above the Digistor DIG-78102 does a good job when writing DVD-RAM media at 5X.

BD-R

The specifications for the Digistor DIG-78102 state that the drive is capable of writing BD-R at 2X.  Let’s take a look at the write strategy for this media.

2X BD-R Writing

The Digistor DIG-78102 uses CLV (Constant Linear Velocity), to write at is maximum speed of 2X.  This gives an average speed of 1.99X and a total writing time of 45 minutes and 26 seconds.

BD-RE

The specifications for the Digistor DIG-78102 state that the drive is capable of writing BD-RE at 2X.  Let’s take a look at the write strategy for this media.

2X BD-RE Writing

The Digistor DIG-78102 uses CLV (Constant Linear Velocity), to write at is maximum speed of 2X.  This gives an average speed of 1.98X and a total writing time of 45 minutes and 20 seconds.

BD-R DL

The specifications for the Digistor DIG-78102 state that the drive is capable of writing BD-R DL at 1X.  Let’s take a look at the write strategy for this media.

1X BD-R DL Writing

The Digistor DIG-78102 uses CLV (Constant Linear Velocity), to write at is maximum speed of 1X.  This gives an average speed of 1.00X and a total writing time of 180 minutes and 31 seconds.

BD-RE DL

The specifications for the Digistor DIG-78102 state that the drive is capable of writing BD-RE at 1X.  Let’s take a look at the write strategy for this media.

1X BD-RE DL Writing

The Digistor DIG-78102 uses CLV (Constant Linear Velocity), to write at is maximum speed of 1X.  This gives an average speed of 1.00X and a total writing time of 180 minutes and 25 seconds.

Book type (bitsetting):

The Digistor DIG-78102 does not support bitsetting.

CDSpeed bitsetting

On the next page let’s take a look at the Reading Performance…