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Black 5.25 inch tray-load DVD burner with matte finish

LG Electronics

LG Electronics GH20NS15 20X DVD burner 5.25" black SATA

SKU CH-TKGR-ANRPX MPN GH20NS15

Writes DVDs at 20X and CDs at 48X with a 2MB cache in a black 5.25" tray-load SATA drive

  • Interface typeSATA
  • Form factor5.25 in (13.3 cm)
  • Dvd-rom access time145 ms
  • CD-ROM access time125 ms
  • Cache memory2 MB
  • DVD+R write speed20X
  • 20X DVD+R and DVD-R write speeds for fast disc creation
  • 16X DVD+R DL and 12X DVD-R DL support for dual-layer media
  • 48X CD-R and 32X CD-RW speeds for quick CD burning
  • 2MB cache and 145ms DVD access time for responsive performance
  • 25 inch tray-load form factor with black panel fits standard drive bays

20X DVD Burner for Desktop Builds

The LG Electronics GH20NS15 is a 5.25 inch internal optical drive that writes DVD+R and DVD-R media at 20X speed. It also supports dual-layer DVD recording at 16X and 12X respectively. The drive reads CD-ROM discs at 48X and DVD-ROM discs at 16X. A 2MB buffer helps maintain data flow during write operations.

SATA Interface Limits and Media Speeds

The drive connects through a standard SATA interface which caps sustained transfer rates below the peak 20X DVD write speed. Actual throughput depends on the host controller and disc quality. CD-R writing reaches 48X while CD-RW rewriting runs at 32X. DVD-RAM media is supported at 12X for random-access storage tasks.

Tray-Load Installation and Common Issues

The black tray-load mechanism fits standard 5.25 inch drive bays and requires a SATA data cable plus a SATA power connector. Ensure the front bezel aligns with the case opening to prevent binding. Some older motherboards may not recognise the drive without a BIOS update. Verify the SATA port is enabled in firmware if the drive does not appear at boot.

How it compares

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Price $16.99
Cheaper than about 87% of the 175 comparable items (median $31.99).

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Specifications

Product
Brand nameLG
Model nameGH20NS15
Product typeDVD Burner
Panel colorBlack
Storage
Cache memory2 MB
DVD+R write speed20X
DVD+RW rewrite speed8X
DVD-R write speed20X
DVD-RW rewrite speed6X
CD-R write speed48X
CD-RW rewrite speed32X
DVD+R DL write speed16X
DVD-R DL write speed12X
DVD-RAM speed12X
DVD-ROM speed16X
CD-ROM speed48X
Loading mechanismTray
Ports & slots
Interface typeSATA
Size & build
Form factor5.25 in (13.3 cm)
Shipping weight0.68 kg
Package size171 × 146 × 41 mm
In the box
In the boxSee pictures for details
More details
Dvd-rom access time145 ms
CD-ROM access time125 ms

Questions about this item

Should I choose the 20X DVD+R or the 16X DVD+R DL speed for my burning needs?

Use 20X DVD+R for single-layer discs and 16X DVD+R DL for dual-layer media; the drive writes each format at its listed maximum.

What does the 20X DVD+R rating deliver in an actual system?

The 20X rating means the drive can write a single-layer DVD+R at up to 20X speed when the disc, SATA connection and host system all support that rate.

Does the SATA interface cap the 20X DVD write speed in practice?

SATA bandwidth comfortably exceeds the data rate of 20X DVD writing, so the interface does not limit the drive's listed speeds.

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